[INFO] cloning repository https://github.com/rayone121/Widow-Lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rayone121/Widow-Lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayone121%2FWidow-Lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayone121%2FWidow-Lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 516338f6ed2afd2b6a2e935a6c2e30a20152ac85
[INFO] testing rayone121/Widow-Lang against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayone121%2FWidow-Lang" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rayone121/Widow-Lang
[INFO] finished tweaking git repo https://github.com/rayone121/Widow-Lang
[INFO] tweaked toml for git repo https://github.com/rayone121/Widow-Lang written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rayone121/Widow-Lang on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rayone121/Widow-Lang 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.15.0
[INFO] [stderr]   Downloaded logos-codegen v0.15.0
[INFO] [stderr]   Downloaded logos v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58878c83cc41104710eb8e5dc9d8c3f8934c183e2160cd6cf6ffa9fb1f753f08
[INFO] running `Command { std: "docker" "start" "-a" "58878c83cc41104710eb8e5dc9d8c3f8934c183e2160cd6cf6ffa9fb1f753f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58878c83cc41104710eb8e5dc9d8c3f8934c183e2160cd6cf6ffa9fb1f753f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58878c83cc41104710eb8e5dc9d8c3f8934c183e2160cd6cf6ffa9fb1f753f08", kill_on_drop: false }`
[INFO] [stdout] 58878c83cc41104710eb8e5dc9d8c3f8934c183e2160cd6cf6ffa9fb1f753f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2eed56704bb7e0120944dd81b2c104a4724a08925fa7d6762f9d7c21f0a83f0
[INFO] running `Command { std: "docker" "start" "-a" "a2eed56704bb7e0120944dd81b2c104a4724a08925fa7d6762f9d7c21f0a83f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling logos-derive v0.15.0
[INFO] [stderr]    Compiling logos v0.15.0
[INFO] [stderr]    Compiling widow-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `format_stats` is never used
[INFO] [stdout]    --> src/vm/gc.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl GarbageCollector {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 502 |     fn format_stats(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/main.rs:182:28
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn demo_garbage_collection(vm: &mut VM) {
[INFO] [stdout]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `Command { std: "docker" "inspect" "a2eed56704bb7e0120944dd81b2c104a4724a08925fa7d6762f9d7c21f0a83f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2eed56704bb7e0120944dd81b2c104a4724a08925fa7d6762f9d7c21f0a83f0", kill_on_drop: false }`
[INFO] [stdout] a2eed56704bb7e0120944dd81b2c104a4724a08925fa7d6762f9d7c21f0a83f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f6c3a424cd6a1f95a522be0932613cf78423f058d23f49560e47e6a432f715b
[INFO] running `Command { std: "docker" "start" "-a" "2f6c3a424cd6a1f95a522be0932613cf78423f058d23f49560e47e6a432f715b", kill_on_drop: false }`
[INFO] [stdout] warning: method `format_stats` is never used
[INFO] [stdout]    --> src/vm/gc.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl GarbageCollector {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 502 |     fn format_stats(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling widow-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/main.rs:182:28
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn demo_garbage_collection(vm: &mut VM) {
[INFO] [stdout]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lexer/lexer.rs:267:13
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let mut lexer = WidowLexer::new(source);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `format_stats` is never used
[INFO] [stdout]    --> src/vm/gc.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl GarbageCollector {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 502 |     fn format_stats(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "2f6c3a424cd6a1f95a522be0932613cf78423f058d23f49560e47e6a432f715b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6c3a424cd6a1f95a522be0932613cf78423f058d23f49560e47e6a432f715b", kill_on_drop: false }`
[INFO] [stdout] 2f6c3a424cd6a1f95a522be0932613cf78423f058d23f49560e47e6a432f715b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] adcd9a2a84e62abf9c83a5d8cf994edecf979a02a4503b1473eff2c28ab2c20b
[INFO] running `Command { std: "docker" "start" "-a" "adcd9a2a84e62abf9c83a5d8cf994edecf979a02a4503b1473eff2c28ab2c20b", kill_on_drop: false }`
[INFO] [stderr] warning: method `format_stats` is never used
[INFO] [stderr]    --> src/vm/gc.rs:502:8
[INFO] [stderr]     |
[INFO] [stderr]  92 | impl GarbageCollector {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 502 |     fn format_stats(&self) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lexer/lexer.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |         let mut lexer = WidowLexer::new(source);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `widow-lang` (lib) generated 1 warning
[INFO] [stderr] warning: `widow-lang` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p widow-lang --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/main.rs:182:28
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn demo_garbage_collection(vm: &mut VM) {
[INFO] [stderr]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `widow-lang` (bin "widow-lang" test) generated 1 warning (run `cargo fix --bin "widow-lang" -p widow-lang --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/widow_lang-36041eaf9d74b6ba)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test compiler::instruction_builder::tests::test_system_instructions ... ok
[INFO] [stdout] test lexer::lexer::tests::test_basic_tokenization ... ok
[INFO] [stdout] test compiler::instruction_builder::tests::test_branch_instructions ... ok
[INFO] [stdout] test compiler::instruction_builder::tests::test_jump_instructions ... ok
[INFO] [stdout] test compiler::instruction_builder::tests::test_r_type_instructions ... ok
[INFO] [stdout] test compiler::instruction_builder::tests::test_convenience_registers ... ok
[INFO] [stdout] test compiler::instruction_builder::tests::test_i_type_instructions ... ok
[INFO] [stdout] test lexer::lexer::tests::test_comments ... ok
[INFO] [stdout] test lexer::lexer::tests::test_numeric_literals ... ok
[INFO] [stdout] test lexer::lexer::tests::test_string_literals ... ok
[INFO] [stdout] test vm::gc::tests::test_gc_creation ... ok
[INFO] [stdout] test vm::gc::tests::test_object_registration ... ok
[INFO] [stdout] test lexer::lexer::tests::test_position_tracking ... ok
[INFO] [stdout] test vm::gc::tests::test_reference_tracking ... ok
[INFO] [stdout] test vm::gc::tests::test_simple_collection ... ok
[INFO] [stdout] test vm::memory::tests::test_byte_operations ... ok
[INFO] [stdout] test vm::registers::tests::test_invalid_register ... ok
[INFO] [stdout] test vm::memory::tests::test_program_loading ... ok
[INFO] [stdout] test vm::memory::tests::test_memory_creation ... ok
[INFO] [stdout] test vm::registers::tests::test_register_creation ... ok
[INFO] [stdout] test vm::registers::tests::test_register_dump ... ok
[INFO] [stdout] test vm::registers::tests::test_register_equality ... ok
[INFO] [stdout] test vm::memory::tests::test_heap_allocation ... ok
[INFO] [stdout] test vm::memory::tests::test_stack_operations ... ok
[INFO] [stdout] test vm::registers::tests::test_set_from_slice ... ok
[INFO] [stdout] test vm::vm::tests::test_arithmetic_operations ... ok
[INFO] [stdout] test vm::vm::tests::test_branch_instruction ... ok
[INFO] [stdout] test vm::gc::tests::test_reachable_objects ... ok
[INFO] [stdout] test vm::registers::tests::test_register_read_write ... ok
[INFO] [stdout] test vm::registers::tests::test_register_reset ... ok
[INFO] [stdout] test vm::vm::tests::test_division_by_zero ... ok
[INFO] [stdout] test vm::vm::tests::test_simple_execution ... ok
[INFO] [stdout] test vm::vm::tests::test_vm_creation ... ok
[INFO] [stdout] test vm::vm::tests::test_program_loading ... ok
[INFO] [stdout] test vm::memory::tests::test_word_operations ... ok
[INFO] [stdout] test vm::gc::tests::test_gc_threshold ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- vm::gc::tests::test_gc_threshold stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'vm::gc::tests::test_gc_threshold' (28) panicked at src/vm/gc.rs:621:9:
[INFO] [stdout] assertion failed: gc.should_collect(&memory)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59b58d77b15a - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59b58d77b15a - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59b58d77b15a - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59b58d77b15a - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59b58d78f91a - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59b58d78f91a - core[786f478f706679df]::fmt::write
[INFO] [stdout]    6:     0x59b58d77f9e2 - std[f92b4c606f291077]::io::default_write_fmt::<alloc[64763625b5a07cdb]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59b58d77f9e2 - <alloc[64763625b5a07cdb]::vec::Vec<u8> as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59b58d75a14f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59b58d75a14f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59b58d7736e9 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x59b58d71020c - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x59b58d71020c - test[20e1f0ae6cad7a17]::test_main_with_exit_callback::<test[20e1f0ae6cad7a17]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x59b58d7738a2 - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x59b58d7738a2 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x59b58d75a23a - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x59b58d751b29 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x59b58d75af9d - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x59b58d7900ac - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x59b58d790072 - core[786f478f706679df]::panicking::panic
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x59b58d6fa98c - widow_lang[7bb0ffd204fec847]::vm::gc::tests::test_gc_threshold
[INFO] [stdout]                                at /opt/rustwide/workdir/src/vm/gc.rs:621:9
[INFO] [stdout]   21:     0x59b58d6f93e7 - widow_lang[7bb0ffd204fec847]::vm::gc::tests::test_gc_threshold::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/vm/gc.rs:612:27
[INFO] [stdout]   22:     0x59b58d7035d6 - <widow_lang[7bb0ffd204fec847]::vm::gc::tests::test_gc_threshold::{closure#0} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x59b58d7042eb - <fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59b58d7042eb - test[20e1f0ae6cad7a17]::__rust_begin_short_backtrace::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x59b58d710cdb - test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x59b58d710cdb - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x59b58d710cdb - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x59b58d710cdb - std[f92b4c606f291077]::panicking::catch_unwind::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x59b58d710cdb - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x59b58d710cdb - test[20e1f0ae6cad7a17]::run_test_in_process
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x59b58d710cdb - test[20e1f0ae6cad7a17]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x59b58d70c3f4 - test[20e1f0ae6cad7a17]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x59b58d70c3f4 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x59b58d7138e2 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x59b58d7138e2 - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x59b58d7138e2 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x59b58d7138e2 - std[f92b4c606f291077]::panicking::catch_unwind::<(), core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x59b58d7138e2 - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x59b58d7138e2 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x59b58d7138e2 - <std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x59b58d77aa6f - <alloc[64763625b5a07cdb]::boxed::Box<dyn core[786f478f706679df]::ops::function::FnOnce<(), Output = ()> + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   42:     0x59b58d77aa6f - <std[f92b4c606f291077]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x7ab410407aa4 - <unknown>
[INFO] [stdout]   44:     0x7ab410494a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     vm::gc::tests::test_gc_threshold
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 35 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "adcd9a2a84e62abf9c83a5d8cf994edecf979a02a4503b1473eff2c28ab2c20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcd9a2a84e62abf9c83a5d8cf994edecf979a02a4503b1473eff2c28ab2c20b", kill_on_drop: false }`
[INFO] [stdout] adcd9a2a84e62abf9c83a5d8cf994edecf979a02a4503b1473eff2c28ab2c20b
