[INFO] cloning repository https://github.com/redradist/RustGC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redradist/RustGC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b4d0b9d212a6d5de1e2e30e16d04f5bcdd6bbfa
[INFO] testing redradist/RustGC against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redradist/RustGC on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redradist/RustGC
[INFO] finished tweaking git repo https://github.com/redradist/RustGC
[INFO] tweaked toml for git repo https://github.com/redradist/RustGC written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/redradist/RustGC already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44569ed8f3bc4e89d5e4f7da15eac8e555014f50353b8099482e7226019c1f26
[INFO] running `Command { std: "docker" "start" "-a" "44569ed8f3bc4e89d5e4f7da15eac8e555014f50353b8099482e7226019c1f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44569ed8f3bc4e89d5e4f7da15eac8e555014f50353b8099482e7226019c1f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44569ed8f3bc4e89d5e4f7da15eac8e555014f50353b8099482e7226019c1f26", kill_on_drop: false }`
[INFO] [stdout] 44569ed8f3bc4e89d5e4f7da15eac8e555014f50353b8099482e7226019c1f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe41eecf8f1cf3f1bd3ca07fbdf8382d64f8e24de7c1c676911c564696f354ae
[INFO] running `Command { std: "docker" "start" "-a" "fe41eecf8f1cf3f1bd3ca07fbdf8382d64f8e24de7c1c676911c564696f354ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ferris-gc v0.1.5 (/opt/rustwide/workdir/ferris_gc)
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `BinaryHeap`, `HashSet`, `LinkedList`, `VecDeque`
[INFO] [stdout]  --> ferris_gc/src/gc.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, BTreeSet, HashMap, BTreeMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^^           ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> ferris_gc/src/gc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hasher`
[INFO] [stdout]   --> ferris_gc/src/gc/sync.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::hash::Hasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:135:26
[INFO] [stdout]     |
[INFO] [stdout] 135 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> ferris_gc/src/gc.rs:366:43
[INFO] [stdout]     |
[INFO] [stdout] 366 |         LOCAL_GC_STRATEGY.with(|strategy| unsafe {
[INFO] [stdout]     |                                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `collect_all` is never used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:591:15
[INFO] [stdout]     |
[INFO] [stdout] 591 |     unsafe fn collect_all(&self) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `collect_all` is never used
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:558:15
[INFO] [stdout]     |
[INFO] [stdout] 558 |     unsafe fn collect_all(&self) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         self.start_func.replace(Box::new(start_fn));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         self.stop_func.replace(Box::new(stop_fn));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> ferris_gc/src/basic_gc_strategy.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             bthread.join();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling ferris-gc-proc-macro v0.1.2 (/opt/rustwide/workdir/ferris_gc_proc_macro)
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> ferris_gc_proc_macro/src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> ferris_gc_proc_macro/src/lib.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{ReturnType, Type, Data, Fields};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_enum`
[INFO] [stdout]   --> ferris_gc_proc_macro/src/lib.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |         Data::Enum(data_enum) => {
[INFO] [stdout]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_enum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_union`
[INFO] [stdout]   --> ferris_gc_proc_macro/src/lib.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |         Data::Union(data_union) => {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_union`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_args`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let sig = &input.sig;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:137:26
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ReturnType::Type(arrow, box_type) => {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "fe41eecf8f1cf3f1bd3ca07fbdf8382d64f8e24de7c1c676911c564696f354ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe41eecf8f1cf3f1bd3ca07fbdf8382d64f8e24de7c1c676911c564696f354ae", kill_on_drop: false }`
[INFO] [stdout] fe41eecf8f1cf3f1bd3ca07fbdf8382d64f8e24de7c1c676911c564696f354ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 806233b524ef10818cbf97af2c5e14e7d0fc34cf3c5d075ff1a71af6c6f4bc27
[INFO] running `Command { std: "docker" "start" "-a" "806233b524ef10818cbf97af2c5e14e7d0fc34cf3c5d075ff1a71af6c6f4bc27", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `BinaryHeap`, `HashSet`, `LinkedList`, `VecDeque`
[INFO] [stdout]  --> ferris_gc/src/gc.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, BTreeSet, HashMap, BTreeMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^^           ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> ferris_gc/src/gc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hasher`
[INFO] [stdout]   --> ferris_gc/src/gc/sync.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::hash::Hasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:135:26
[INFO] [stdout]     |
[INFO] [stdout] 135 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> ferris_gc/src/gc.rs:366:43
[INFO] [stdout]     |
[INFO] [stdout] 366 |         LOCAL_GC_STRATEGY.with(|strategy| unsafe {
[INFO] [stdout]     |                                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `collect_all` is never used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:591:15
[INFO] [stdout]     |
[INFO] [stdout] 591 |     unsafe fn collect_all(&self) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `collect_all` is never used
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:558:15
[INFO] [stdout]     |
[INFO] [stdout] 558 |     unsafe fn collect_all(&self) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         self.start_func.replace(Box::new(start_fn));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         self.stop_func.replace(Box::new(stop_fn));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> ferris_gc/src/basic_gc_strategy.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             bthread.join();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ferris-gc-proc-macro v0.1.2 (/opt/rustwide/workdir/ferris_gc_proc_macro)
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> ferris_gc_proc_macro/src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> ferris_gc_proc_macro/src/lib.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{ReturnType, Type, Data, Fields};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]  --> ferris_gc_proc_macro/src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> ferris_gc_proc_macro/src/lib.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{ReturnType, Type, Data, Fields};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_enum`
[INFO] [stdout]   --> ferris_gc_proc_macro/src/lib.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |         Data::Enum(data_enum) => {
[INFO] [stdout]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_enum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_union`
[INFO] [stdout]   --> ferris_gc_proc_macro/src/lib.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |         Data::Union(data_union) => {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_union`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_args`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let sig = &input.sig;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:137:26
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ReturnType::Type(arrow, box_type) => {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_enum`
[INFO] [stdout]   --> ferris_gc_proc_macro/src/lib.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |         Data::Enum(data_enum) => {
[INFO] [stdout]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_enum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_union`
[INFO] [stdout]   --> ferris_gc_proc_macro/src/lib.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |         Data::Union(data_union) => {
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_union`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_args`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let sig = &input.sig;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arrow`
[INFO] [stdout]    --> ferris_gc_proc_macro/src/lib.rs:137:26
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ReturnType::Type(arrow, box_type) => {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ferris-gc v0.1.5 (/opt/rustwide/workdir/ferris_gc)
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `BinaryHeap`, `HashSet`, `LinkedList`, `VecDeque`
[INFO] [stdout]  --> ferris_gc/src/gc.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, BTreeSet, HashMap, BTreeMap, HashSet, LinkedList, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^^           ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> ferris_gc/src/gc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hasher`
[INFO] [stdout]   --> ferris_gc/src/gc/sync.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::hash::Hasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `one` is assigned to, but never used
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:696:17
[INFO] [stdout]     |
[INFO] [stdout] 696 |         let mut one = Gc::new(1);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_one` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `one` is never read
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:697:9
[INFO] [stdout]     |
[INFO] [stdout] 697 |         one = Gc::new(2);
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `one` is assigned to, but never used
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:704:17
[INFO] [stdout]     |
[INFO] [stdout] 704 |         let mut one = Gc::new(1);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_one` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `one` is never read
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:705:9
[INFO] [stdout]     |
[INFO] [stdout] 705 |         one = Gc::new(2);
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `one` is assigned to, but never used
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:713:21
[INFO] [stdout]     |
[INFO] [stdout] 713 |             let mut one = Gc::new(1);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_one` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `one` is never read
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:714:13
[INFO] [stdout]     |
[INFO] [stdout] 714 |             one = Gc::new(2);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `one` is assigned to, but never used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:730:17
[INFO] [stdout]     |
[INFO] [stdout] 730 |         let mut one = Gc::new(1);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_one` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `one` is never read
[INFO] [stdout]    --> ferris_gc/src/gc.rs:731:9
[INFO] [stdout]     |
[INFO] [stdout] 731 |         one = Gc::new(2);
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `one` is assigned to, but never used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:739:17
[INFO] [stdout]     |
[INFO] [stdout] 739 |         let mut one = Gc::new(1);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_one` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `one` is never read
[INFO] [stdout]    --> ferris_gc/src/gc.rs:740:9
[INFO] [stdout]     |
[INFO] [stdout] 740 |         one = Gc::new(2);
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `one` is assigned to, but never used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:750:21
[INFO] [stdout]     |
[INFO] [stdout] 750 |             let mut one = Gc::new(1);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_one` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `one` is never read
[INFO] [stdout]    --> ferris_gc/src/gc.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |             one = Gc::new(2);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:135:26
[INFO] [stdout]     |
[INFO] [stdout] 135 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> ferris_gc/src/default_trace.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |                       for (key, child) in self {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] ...
[INFO] [stdout] 170 | / collection_types!(
[INFO] [stdout] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stdout] 172 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> ferris_gc/src/gc.rs:366:43
[INFO] [stdout]     |
[INFO] [stdout] 366 |         LOCAL_GC_STRATEGY.with(|strategy| unsafe {
[INFO] [stdout]     |                                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `collect_all` is never used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:591:15
[INFO] [stdout]     |
[INFO] [stdout] 591 |     unsafe fn collect_all(&self) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `collect_all` is never used
[INFO] [stdout]    --> ferris_gc/src/gc/sync.rs:558:15
[INFO] [stdout]     |
[INFO] [stdout] 558 |     unsafe fn collect_all(&self) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         self.start_func.replace(Box::new(start_fn));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> ferris_gc/src/gc.rs:656:9
[INFO] [stdout]     |
[INFO] [stdout] 656 |         self.stop_func.replace(Box::new(stop_fn));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> ferris_gc/src/basic_gc_strategy.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             bthread.join();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "806233b524ef10818cbf97af2c5e14e7d0fc34cf3c5d075ff1a71af6c6f4bc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806233b524ef10818cbf97af2c5e14e7d0fc34cf3c5d075ff1a71af6c6f4bc27", kill_on_drop: false }`
[INFO] [stdout] 806233b524ef10818cbf97af2c5e14e7d0fc34cf3c5d075ff1a71af6c6f4bc27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c61fd69ec531a49803ce87aa9a21755a57b3d039515675ae926d439564fb4673
[INFO] running `Command { std: "docker" "start" "-a" "c61fd69ec531a49803ce87aa9a21755a57b3d039515675ae926d439564fb4673", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BTreeMap`, `BTreeSet`, `BinaryHeap`, `HashSet`, `LinkedList`, `VecDeque`
[INFO] [stderr]  --> ferris_gc/src/gc.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::{BinaryHeap, BTreeSet, HashMap, BTreeMap, HashSet, LinkedList, VecDeque};
[INFO] [stderr]   |                        ^^^^^^^^^^  ^^^^^^^^           ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]  --> ferris_gc/src/gc.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::borrow::BorrowMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hasher`
[INFO] [stderr]   --> ferris_gc/src/gc/sync.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::hash::Hasher;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> ferris_gc/src/default_trace.rs:135:26
[INFO] [stderr]     |
[INFO] [stderr] 135 |                       for (key, child) in self {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] ...
[INFO] [stderr] 170 | / collection_types!(
[INFO] [stderr] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stderr] 172 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> ferris_gc/src/default_trace.rs:140:26
[INFO] [stderr]     |
[INFO] [stderr] 140 |                       for (key, child) in self {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] ...
[INFO] [stderr] 170 | / collection_types!(
[INFO] [stderr] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stderr] 172 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> ferris_gc/src/default_trace.rs:145:26
[INFO] [stderr]     |
[INFO] [stderr] 145 |                       for (key, child) in self {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] ...
[INFO] [stderr] 170 | / collection_types!(
[INFO] [stderr] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stderr] 172 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> ferris_gc/src/default_trace.rs:156:26
[INFO] [stderr]     |
[INFO] [stderr] 156 |                       for (key, child) in self {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] ...
[INFO] [stderr] 170 | / collection_types!(
[INFO] [stderr] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stderr] 172 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> ferris_gc/src/gc.rs:366:43
[INFO] [stderr]     |
[INFO] [stderr] 366 |         LOCAL_GC_STRATEGY.with(|strategy| unsafe {
[INFO] [stderr]     |                                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `collect_all` is never used
[INFO] [stderr]    --> ferris_gc/src/gc.rs:591:15
[INFO] [stderr]     |
[INFO] [stderr] 591 |     unsafe fn collect_all(&self) {
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `collect_all` is never used
[INFO] [stderr]    --> ferris_gc/src/gc/sync.rs:558:15
[INFO] [stderr]     |
[INFO] [stderr] 558 |     unsafe fn collect_all(&self) {
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stderr]    --> ferris_gc/src/gc.rs:655:9
[INFO] [stderr]     |
[INFO] [stderr] 655 |         self.start_func.replace(Box::new(start_fn));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stderr]    --> ferris_gc/src/gc.rs:656:9
[INFO] [stderr]     |
[INFO] [stderr] 656 |         self.stop_func.replace(Box::new(stop_fn));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> ferris_gc/src/basic_gc_strategy.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             bthread.join();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `ferris-gc` (lib) generated 13 warnings (run `cargo fix --lib -p ferris-gc` to apply 5 suggestions)
[INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stderr]  --> ferris_gc_proc_macro/src/lib.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Type`
[INFO] [stderr]  --> ferris_gc_proc_macro/src/lib.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use syn::{ReturnType, Type, Data, Fields};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_enum`
[INFO] [stderr]   --> ferris_gc_proc_macro/src/lib.rs:87:20
[INFO] [stderr]    |
[INFO] [stderr] 87 |         Data::Enum(data_enum) => {
[INFO] [stderr]    |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_enum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data_union`
[INFO] [stderr]   --> ferris_gc_proc_macro/src/lib.rs:90:21
[INFO] [stderr]    |
[INFO] [stderr] 90 |         Data::Union(data_union) => {
[INFO] [stderr]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_union`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attr_args`
[INFO] [stderr]    --> ferris_gc_proc_macro/src/lib.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let attr_args = syn::parse_macro_input!(attrs as syn::AttributeArgs);
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sig`
[INFO] [stderr]    --> ferris_gc_proc_macro/src/lib.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let sig = &input.sig;
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arrow`
[INFO] [stderr]    --> ferris_gc_proc_macro/src/lib.rs:137:26
[INFO] [stderr]     |
[INFO] [stderr] 137 |         ReturnType::Type(arrow, box_type) => {
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_arrow`
[INFO] [stderr] 
[INFO] [stderr] warning: `ferris-gc-proc-macro` (lib) generated 7 warnings (run `cargo fix --lib -p ferris-gc-proc-macro` to apply 7 suggestions)
[INFO] [stderr] warning: `ferris-gc-proc-macro` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: variable `one` is assigned to, but never used
[INFO] [stderr]    --> ferris_gc/src/gc/sync.rs:696:17
[INFO] [stderr]     |
[INFO] [stderr] 696 |         let mut one = Gc::new(1);
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_one` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `one` is never read
[INFO] [stderr]    --> ferris_gc/src/gc/sync.rs:697:9
[INFO] [stderr]     |
[INFO] [stderr] 697 |         one = Gc::new(2);
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `one` is assigned to, but never used
[INFO] [stderr]    --> ferris_gc/src/gc/sync.rs:704:17
[INFO] [stderr]     |
[INFO] [stderr] 704 |         let mut one = Gc::new(1);
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_one` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `one` is never read
[INFO] [stderr]    --> ferris_gc/src/gc/sync.rs:705:9
[INFO] [stderr]     |
[INFO] [stderr] 705 |         one = Gc::new(2);
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `one` is assigned to, but never used
[INFO] [stderr]    --> ferris_gc/src/gc/sync.rs:713:21
[INFO] [stderr]     |
[INFO] [stderr] 713 |             let mut one = Gc::new(1);
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_one` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `one` is never read
[INFO] [stderr]    --> ferris_gc/src/gc/sync.rs:714:13
[INFO] [stderr]     |
[INFO] [stderr] 714 |             one = Gc::new(2);
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `one` is assigned to, but never used
[INFO] [stderr]    --> ferris_gc/src/gc.rs:730:17
[INFO] [stderr]     |
[INFO] [stderr] 730 |         let mut one = Gc::new(1);
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_one` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `one` is never read
[INFO] [stderr]    --> ferris_gc/src/gc.rs:731:9
[INFO] [stderr]     |
[INFO] [stderr] 731 |         one = Gc::new(2);
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `one` is assigned to, but never used
[INFO] [stderr]    --> ferris_gc/src/gc.rs:739:17
[INFO] [stderr]     |
[INFO] [stderr] 739 |         let mut one = Gc::new(1);
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_one` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `one` is never read
[INFO] [stderr]    --> ferris_gc/src/gc.rs:740:9
[INFO] [stderr]     |
[INFO] [stderr] 740 |         one = Gc::new(2);
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `one` is assigned to, but never used
[INFO] [stderr]    --> ferris_gc/src/gc.rs:750:21
[INFO] [stderr]     |
[INFO] [stderr] 750 |             let mut one = Gc::new(1);
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_one` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `one` is never read
[INFO] [stderr]    --> ferris_gc/src/gc.rs:751:13
[INFO] [stderr]     |
[INFO] [stderr] 751 |             one = Gc::new(2);
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> ferris_gc/src/default_trace.rs:135:26
[INFO] [stderr]     |
[INFO] [stderr] 135 |                       for (key, child) in self {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] ...
[INFO] [stderr] 170 | / collection_types!(
[INFO] [stderr] 171 | |     HashMap<K, T>, BTreeMap<K, T>
[INFO] [stderr] 172 | | );
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `collection_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `ferris-gc` (lib test) generated 25 warnings (12 duplicates) (run `cargo fix --lib -p ferris-gc --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ferris_gc-4d6b9c557c7563bf)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test gc::sync::tests::gc_collect_one_from_one ... ok
[INFO] [stdout] test gc::tests::gc_collect_one_from_one ... ok
[INFO] [stdout] test gc::tests::gc_collect_two_from_two ... ok
[INFO] [stdout] test gc::tests::one_object ... ok
[INFO] [stdout] test gc::tests::gc_collect_one_from_two ... FAILED
[INFO] [stdout] test gc::tests::two_objects ... FAILED
[INFO] [stdout] test gc::sync::tests::one_object ... FAILED
[INFO] [stdout] test gc::sync::tests::gc_collect_two_from_two ... FAILED
[INFO] [stdout] test gc::sync::tests::gc_collect_one_from_two ... FAILED
[INFO] [stdout] test gc::sync::tests::two_objects ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- gc::tests::gc_collect_one_from_two stdout ----
[INFO] [stdout] thread 'gc::tests::gc_collect_one_from_two' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `0`', ferris_gc/src/gc.rs:743:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565005fda3ea - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x565005fda3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x565005fda3ea - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x565005fda3ea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x565005ffdace - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x565005fd7865 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x565005fda1b5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x565005fda1b5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x565005fdbf7f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x565005fdbc3f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x565005fae887 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x565005fae887 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x565005fdc6ad - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x565005fdc6ad - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x565005fdc429 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x565005fda856 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x565005fdc132 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x565005f54b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x565005f54e5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x565005f68bba - core::panicking::assert_failed::h5d6ebcf95b40b49e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x565005f752e0 - ferris_gc::gc::tests::gc_collect_one_from_two::{{closure}}::h831d91279c24b144
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc.rs:743:13
[INFO] [stdout]   21:     0x565005f7aca2 - std::thread::local::LocalKey<T>::try_with::h31dd08b5d8a047b7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/local.rs:446:16
[INFO] [stdout]   22:     0x565005f7a56e - std::thread::local::LocalKey<T>::with::h50de1b27fc505334
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/local.rs:422:9
[INFO] [stdout]   23:     0x565005f750a3 - ferris_gc::gc::tests::gc_collect_one_from_two::h9a1cc24dddd78ec2
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc.rs:741:9
[INFO] [stdout]   24:     0x565005f74fd7 - ferris_gc::gc::tests::gc_collect_one_from_two::{{closure}}::hec52ddfdd015254b
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc.rs:738:34
[INFO] [stdout]   25:     0x565005f6afe5 - core::ops::function::FnOnce::call_once::h06e7566b21f09fd1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x565005fb3c6f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x565005fb3c6f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   28:     0x565005f8528c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   29:     0x565005f8528c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x565005fb2c36 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   31:     0x565005fb2c36 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x565005fb2c36 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   33:     0x565005fb2c36 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   34:     0x565005fb2c36 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   35:     0x565005fb2c36 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   36:     0x565005fb2c36 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   37:     0x565005f7f901 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   38:     0x565005f7f901 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   39:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   40:     0x565005f8531b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   41:     0x565005f8531b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   42:     0x565005f8531b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   43:     0x565005f8531b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   44:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   45:     0x565005f8531b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   47:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   48:     0x565005fe0a13 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   49:     0x7fcd0a266b43 - <unknown>
[INFO] [stdout]   50:     0x7fcd0a2f7bb4 - __clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- gc::tests::two_objects stdout ----
[INFO] [stdout] thread 'gc::tests::two_objects' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `2`', ferris_gc/src/gc.rs:733:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565005fda3ea - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x565005fda3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x565005fda3ea - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x565005fda3ea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x565005ffdace - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x565005fd7865 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x565005fda1b5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x565005fda1b5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x565005fdbf7f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x565005fdbc3f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x565005fae887 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x565005fae887 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x565005fdc6ad - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x565005fdc6ad - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x565005fdc429 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x565005fda856 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x565005fdc132 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x565005f54b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x565005f54e5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x565005f68bba - core::panicking::assert_failed::h5d6ebcf95b40b49e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x565005f74f87 - ferris_gc::gc::tests::two_objects::{{closure}}::h19884191a46b185d
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc.rs:733:13
[INFO] [stdout]   21:     0x565005f7a8d2 - std::thread::local::LocalKey<T>::try_with::h24ec94cd1512e758
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/local.rs:446:16
[INFO] [stdout]   22:     0x565005f7a75e - std::thread::local::LocalKey<T>::with::hf51b8a4ba077c79d
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/local.rs:422:9
[INFO] [stdout]   23:     0x565005f74dd3 - ferris_gc::gc::tests::two_objects::h2a4a84d088d700c2
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc.rs:732:9
[INFO] [stdout]   24:     0x565005f74d07 - ferris_gc::gc::tests::two_objects::{{closure}}::hfd56f265f1adcbc2
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc.rs:729:22
[INFO] [stdout]   25:     0x565005f6b7c5 - core::ops::function::FnOnce::call_once::he14b31cd1cb5c52d
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x565005fb3c6f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x565005fb3c6f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   28:     0x565005f8528c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   29:     0x565005f8528c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x565005fb2c36 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   31:     0x565005fb2c36 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   32:     0x565005fb2c36 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   33:     0x565005fb2c36 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   34:     0x565005fb2c36 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   35:     0x565005fb2c36 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   36:     0x565005fb2c36 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   37:     0x565005f7f901 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   38:     0x565005f7f901 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   39:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   40:     0x565005f8531b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   41:     0x565005f8531b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   42:     0x565005f8531b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   43:     0x565005f8531b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   44:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   45:     0x565005f8531b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   47:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   48:     0x565005fe0a13 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   49:     0x7fcd0a266b43 - <unknown>
[INFO] [stdout]   50:     0x7fcd0a2f7bb4 - __clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- gc::sync::tests::one_object stdout ----
[INFO] [stdout] thread 'gc::sync::tests::one_object' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `2`,
[INFO] [stdout]  right: `1`', ferris_gc/src/gc/sync.rs:682:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565005fda3ea - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x565005fda3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x565005fda3ea - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x565005fda3ea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x565005ffdace - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x565005fd7865 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x565005fda1b5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x565005fda1b5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x565005fdbf7f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x565005fdbc3f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x565005fae887 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x565005fae887 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x565005fdc6ad - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x565005fdc6ad - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x565005fdc429 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x565005fda856 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x565005fdc132 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x565005f54b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x565005f54e5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x565005f68bba - core::panicking::assert_failed::h5d6ebcf95b40b49e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x565005f7ca8e - ferris_gc::gc::sync::tests::one_object::hb3ed8a534afbd74e
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:682:9
[INFO] [stdout]   21:     0x565005f7c8e7 - ferris_gc::gc::sync::tests::one_object::{{closure}}::h615dc59291e975cb
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:679:21
[INFO] [stdout]   22:     0x565005f6b465 - core::ops::function::FnOnce::call_once::h72d60e0f5761183e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x565005fb3c6f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x565005fb3c6f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x565005f8528c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x565005f8528c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x565005fb2c36 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x565005fb2c36 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x565005fb2c36 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x565005fb2c36 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x565005fb2c36 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x565005fb2c36 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x565005fb2c36 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x565005f7f901 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x565005f7f901 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x565005f8531b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x565005f8531b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x565005f8531b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x565005f8531b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x565005f8531b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x565005fe0a13 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fcd0a266b43 - <unknown>
[INFO] [stdout]   47:     0x7fcd0a2f7bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- gc::sync::tests::gc_collect_two_from_two stdout ----
[INFO] [stdout] thread 'gc::sync::tests::gc_collect_two_from_two' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `2`,
[INFO] [stdout]  right: `0`', ferris_gc/src/gc/sync.rs:717:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565005fda3ea - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x565005fda3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x565005fda3ea - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x565005fda3ea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x565005ffdace - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x565005fd7865 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x565005fda1b5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x565005fda1b5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x565005fdbf7f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x565005fdbc3f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x565005fae887 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x565005fae887 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x565005fdc6ad - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x565005fdc6ad - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x565005fdc429 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x565005fda856 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x565005fdc132 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x565005f54b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x565005f54e5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x565005f68bba - core::panicking::assert_failed::h5d6ebcf95b40b49e
[INFO] [stderr] error: test failed, to rerun pass `-p ferris-gc --lib`
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x565005f7d3ad - ferris_gc::gc::sync::tests::gc_collect_two_from_two::h591a5b756bfc0a61
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:717:9
[INFO] [stdout]   21:     0x565005f7d187 - ferris_gc::gc::sync::tests::gc_collect_two_from_two::{{closure}}::h0af896dcb5cf43a3
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:711:34
[INFO] [stdout]   22:     0x565005f6b4d5 - core::ops::function::FnOnce::call_once::h7c83b722e41bef76
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x565005fb3c6f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x565005fb3c6f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x565005f8528c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x565005f8528c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x565005fb2c36 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x565005fb2c36 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x565005fb2c36 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x565005fb2c36 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x565005fb2c36 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x565005fb2c36 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x565005fb2c36 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x565005f7f901 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x565005f7f901 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x565005f8531b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x565005f8531b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x565005f8531b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x565005f8531b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x565005f8531b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x565005fe0a13 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fcd0a266b43 - <unknown>
[INFO] [stdout]   47:     0x7fcd0a2f7bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- gc::sync::tests::gc_collect_one_from_two stdout ----
[INFO] [stdout] thread 'gc::sync::tests::gc_collect_one_from_two' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `3`,
[INFO] [stdout]  right: `0`', ferris_gc/src/gc/sync.rs:707:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565005fda3ea - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x565005fda3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x565005fda3ea - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x565005fda3ea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x565005ffdace - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x565005fd7865 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x565005fda1b5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x565005fda1b5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x565005fdbf7f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x565005fdbc3f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x565005fae887 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x565005fae887 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x565005fdc6ad - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x565005fdc6ad - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x565005fdc429 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x565005fda856 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x565005fdc132 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x565005f54b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x565005f54e5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x565005f68bba - core::panicking::assert_failed::h5d6ebcf95b40b49e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x565005f7d13f - ferris_gc::gc::sync::tests::gc_collect_one_from_two::hf6e88380b9f1797a
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:707:9
[INFO] [stdout]   21:     0x565005f7cf07 - ferris_gc::gc::sync::tests::gc_collect_one_from_two::{{closure}}::hdbfd179b1d026592
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:703:34
[INFO] [stdout]   22:     0x565005f6b615 - core::ops::function::FnOnce::call_once::ha40bd4f28400e7f6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x565005fb3c6f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x565005fb3c6f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x565005f8528c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x565005f8528c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x565005fb2c36 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x565005fb2c36 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x565005fb2c36 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x565005fb2c36 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x565005fb2c36 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x565005fb2c36 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x565005fb2c36 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x565005f7f901 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x565005f7f901 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x565005f8531b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x565005f8531b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x565005f8531b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x565005f8531b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x565005f8531b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x565005fe0a13 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fcd0a266b43 - <unknown>
[INFO] [stdout]   47:     0x7fcd0a2f7bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- gc::sync::tests::two_objects stdout ----
[INFO] [stdout] thread 'gc::sync::tests::two_objects' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `4`,
[INFO] [stdout]  right: `2`', ferris_gc/src/gc/sync.rs:699:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565005fda3ea - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x565005fda3ea - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x565005fda3ea - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x565005fda3ea - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x565005ffdace - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x565005fd7865 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x565005fda1b5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x565005fda1b5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x565005fdbf7f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x565005fdbc3f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x565005fae887 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x565005fae887 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x565005fdc6ad - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x565005fdc6ad - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x565005fdc429 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x565005fda856 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x565005fdc132 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x565005f54b83 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x565005f54e5f - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x565005f68bba - core::panicking::assert_failed::h5d6ebcf95b40b49e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x565005f7cebf - ferris_gc::gc::sync::tests::two_objects::hfec3f2cafd9092d4
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:699:9
[INFO] [stdout]   21:     0x565005f7cc87 - ferris_gc::gc::sync::tests::two_objects::{{closure}}::hfdcaa08f923481a3
[INFO] [stdout]                                at /opt/rustwide/workdir/ferris_gc/src/gc/sync.rs:695:22
[INFO] [stdout]   22:     0x565005f6b1e5 - core::ops::function::FnOnce::call_once::h41d85066d2bae3ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x565005fb3c6f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x565005fb3c6f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x565005f8528c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x565005f8528c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x565005fb2c36 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x565005fb2c36 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x565005fb2c36 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x565005fb2c36 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x565005fb2c36 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x565005fb2c36 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x565005fb2c36 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x565005f7f901 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x565005f7f901 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x565005f8531b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x565005f8531b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x565005f8531b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x565005f8531b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x565005f8531b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x565005f8531b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x565005fe0a13 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x565005fe0a13 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fcd0a266b43 - <unknown>
[INFO] [stdout]   47:     0x7fcd0a2f7bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     gc::sync::tests::gc_collect_one_from_two
[INFO] [stdout]     gc::sync::tests::gc_collect_two_from_two
[INFO] [stdout]     gc::sync::tests::one_object
[INFO] [stdout]     gc::sync::tests::two_objects
[INFO] [stdout]     gc::tests::gc_collect_one_from_two
[INFO] [stdout]     gc::tests::two_objects
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c61fd69ec531a49803ce87aa9a21755a57b3d039515675ae926d439564fb4673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61fd69ec531a49803ce87aa9a21755a57b3d039515675ae926d439564fb4673", kill_on_drop: false }`
[INFO] [stdout] c61fd69ec531a49803ce87aa9a21755a57b3d039515675ae926d439564fb4673
