[INFO] fetching crate reactor_rs 0.0.5...
[INFO] testing reactor_rs-0.0.5 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] extracting crate reactor_rs 0.0.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate reactor_rs 0.0.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate reactor_rs 0.0.5
[INFO] tweaked toml for crates.io crate reactor_rs 0.0.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reactor_rs 0.0.5 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 crates.io crate reactor_rs 0.0.5 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 ...
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b18fc74206a1943b7032890346ac74d8c5ef356c505ad8d33ae8b813848adc88
[INFO] running `Command { std: "docker" "start" "-a" "b18fc74206a1943b7032890346ac74d8c5ef356c505ad8d33ae8b813848adc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b18fc74206a1943b7032890346ac74d8c5ef356c505ad8d33ae8b813848adc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b18fc74206a1943b7032890346ac74d8c5ef356c505ad8d33ae8b813848adc88", kill_on_drop: false }`
[INFO] [stdout] b18fc74206a1943b7032890346ac74d8c5ef356c505ad8d33ae8b813848adc88
[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=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] e349ff5c10853812146300586575412c7f5f56497a1be140fa7fa87c744c3a91
[INFO] running `Command { std: "docker" "start" "-a" "e349ff5c10853812146300586575412c7f5f56497a1be140fa7fa87c744c3a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling reactor_rs v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::prelude::*`
[INFO] [stdout]   --> src/mono/spi.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mono/flatmap.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |       if completed.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `Command { std: "docker" "inspect" "e349ff5c10853812146300586575412c7f5f56497a1be140fa7fa87c744c3a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e349ff5c10853812146300586575412c7f5f56497a1be140fa7fa87c744c3a91", kill_on_drop: false }`
[INFO] [stdout] e349ff5c10853812146300586575412c7f5f56497a1be140fa7fa87c744c3a91
[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=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] 9552b71a67d8591360f011cd329b9eaa6953f0c0de45781fd3aa4f332da4976f
[INFO] running `Command { std: "docker" "start" "-a" "9552b71a67d8591360f011cd329b9eaa6953f0c0de45781fd3aa4f332da4976f", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stdout] warning: unused import: `futures::prelude::*`
[INFO] [stdout]   --> src/mono/spi.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mono/flatmap.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |       if completed.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.7.0
[INFO] [stderr]    Compiling reactor_rs v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::prelude::*`
[INFO] [stdout]   --> src/mono/spi.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mono/flatmap.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |       if completed.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> tests/mono_test.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 13 |   name: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 14 |   age: u8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 9.13s
[INFO] running `Command { std: "docker" "inspect" "9552b71a67d8591360f011cd329b9eaa6953f0c0de45781fd3aa4f332da4976f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9552b71a67d8591360f011cd329b9eaa6953f0c0de45781fd3aa4f332da4976f", kill_on_drop: false }`
[INFO] [stdout] 9552b71a67d8591360f011cd329b9eaa6953f0c0de45781fd3aa4f332da4976f
[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=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] ac48a6b803b8f434563bcfb4ce268740887f12ac6a00a1df0755c808db0f665a
[INFO] running `Command { std: "docker" "start" "-a" "ac48a6b803b8f434563bcfb4ce268740887f12ac6a00a1df0755c808db0f665a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `futures::prelude::*`
[INFO] [stderr]   --> src/mono/spi.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use futures::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/mono/flatmap.rs:195:20
[INFO] [stderr]     |
[INFO] [stderr] 195 |       if completed.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `reactor_rs` (lib) generated 2 warnings (run `cargo fix --lib -p reactor_rs` to apply 1 suggestion)
[INFO] [stderr] warning: fields `name` and `age` are never read
[INFO] [stderr]   --> tests/mono_test.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Record {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 13 |   name: String,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] 14 |   age: u8,
[INFO] [stderr]    |   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `reactor_rs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `reactor_rs` (test "mono_test") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reactor_rs-0e48529313103f88)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/mono_test.rs (/opt/rustwide/target/debug/deps/mono_test-a62ff3e475ba86e3)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_finally ... ok
[INFO] [stdout] test bingo ... ok
[INFO] [stdout] test create_success ... ok
[INFO] [stdout] test test_map ... ok
[INFO] [stdout] test subscribe_on ... ok
[INFO] [stdout] test with_error ... ok
[INFO] [stdout] test tiny ... ok
[INFO] [stdout] ******* bingo: Hello 0
[INFO] [stderr] 
[INFO] [stdout] ******* bingo: Hello 1
[INFO] [stderr] thread 'tokio-runtime-worker-1' (33) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.11/src/lib.rs:246:25:
[INFO] [stdout] ******* bingo: Hello 2
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stdout] ******* bingo: Hello 3
[INFO] [stderr] 
[INFO] [stdout] ******* bingo: Hello 4
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stdout] ******* bingo: Hello 5
[INFO] [stderr] stack backtrace:
[INFO] [stdout] ******* bingo: Hello 6
[INFO] [stdout] ******* bingo: Hello 7
[INFO] [stdout] ******* bingo: Hello 8
[INFO] [stdout] ******* bingo: Hello 9
[INFO] [stderr]    0:     0x59eb7a3379ea - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x59eb7a3379ea - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x59eb7a3379ea - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x59eb7a3379ea - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x59eb7a34b9ba - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x59eb7a34b9ba - core[786f478f706679df]::fmt::write
[INFO] [stderr]    6:     0x59eb7a33ceb2 - std[f92b4c606f291077]::io::default_write_fmt::<std[f92b4c606f291077]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x59eb7a33ceb2 - <std[f92b4c606f291077]::sys::stdio::unix::Stderr as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x59eb7a31686f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x59eb7a31686f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x59eb7a32fe71 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x59eb7a251bfc - <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] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   12:     0x59eb7a251bfc - test[20e1f0ae6cad7a17]::test_main_with_exit_callback::<test[20e1f0ae6cad7a17]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x59eb7a330062 - <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] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]   14:     0x59eb7a330062 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x59eb7a31695a - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x59eb7a30e299 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x59eb7a31763d - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x59eb7a34bf6d - core[786f478f706679df]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x59eb7a34bf6d - core[786f478f706679df]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/intrinsics/mod.rs:2447:9
[INFO] [stderr]   20:     0x59eb7a2db594 - <usize as core[786f478f706679df]::slice::index::SliceIndex<[_]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x59eb7a2db729 - <usize as core[786f478f706679df]::slice::index::SliceIndex<[crossbeam_epoch[f49994a649a3156e]::deferred::Deferred]>>::get_unchecked_mut
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x59eb7a2d9549 - <[crossbeam_epoch[f49994a649a3156e]::deferred::Deferred]>::get_unchecked_mut::<usize>
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/slice/mod.rs:691:30
[INFO] [stderr]   23:     0x59eb7a2d7b91 - <arrayvec[f23f6e4406a581f2]::ArrayVec<[crossbeam_epoch[f49994a649a3156e]::deferred::Deferred; 64usize]>>::push_unchecked
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.11/src/lib.rs:246:25
[INFO] [stderr]   24:     0x59eb7a2d7f48 - <arrayvec[f23f6e4406a581f2]::ArrayVec<[crossbeam_epoch[f49994a649a3156e]::deferred::Deferred; 64usize]>>::try_push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.11/src/lib.rs:212:22
[INFO] [stderr]   25:     0x59eb7a2d8055 - <crossbeam_epoch[f49994a649a3156e]::internal::Bag>::try_push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:92:24
[INFO] [stderr]   26:     0x59eb7a2d7239 - <crossbeam_epoch[f49994a649a3156e]::internal::Local>::defer
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:324:32
[INFO] [stderr]   27:     0x59eb7a2d9733 - <crossbeam_epoch[f49994a649a3156e]::guard::Guard>::defer_unchecked::<<crossbeam_epoch[f49994a649a3156e]::guard::Guard>::defer_destroy<crossbeam_epoch[f49994a649a3156e]::internal::Local>::{closure#0}, crossbeam_epoch[f49994a649a3156e]::atomic::Owned<crossbeam_epoch[f49994a649a3156e]::internal::Local>>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/guard.rs:195:19
[INFO] [stderr]   28:     0x59eb7a2d9584 - <crossbeam_epoch[f49994a649a3156e]::guard::Guard>::defer_destroy::<crossbeam_epoch[f49994a649a3156e]::internal::Local>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/guard.rs:270:14
[INFO] [stderr]   29:     0x59eb7a2d8fae - <crossbeam_epoch[f49994a649a3156e]::internal::Local as crossbeam_epoch[f49994a649a3156e]::sync::list::IsElement<crossbeam_epoch[f49994a649a3156e]::internal::Local>>::finalize
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:505:15
[INFO] [stderr]   30:     0x59eb7a2dba39 - <crossbeam_epoch[f49994a649a3156e]::sync::list::Iter<crossbeam_epoch[f49994a649a3156e]::internal::Local, crossbeam_epoch[f49994a649a3156e]::internal::Local> as core[786f478f706679df]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/sync/list.rs:259:29
[INFO] [stderr]   31:     0x59eb7a2d6906 - <crossbeam_epoch[f49994a649a3156e]::internal::Global>::try_advance
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:209:22
[INFO] [stderr]   32:     0x59eb7a2d6bd5 - <crossbeam_epoch[f49994a649a3156e]::internal::Global>::collect
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:174:33
[INFO] [stderr]   33:     0x59eb7a2d7149 - <crossbeam_epoch[f49994a649a3156e]::internal::Local>::pin
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:390:31
[INFO] [stderr]   34:     0x59eb7a2d757c - <crossbeam_epoch[f49994a649a3156e]::internal::Local>::finalize
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:468:31
[INFO] [stderr]   35:     0x59eb7a2af80d - <crossbeam_epoch[f49994a649a3156e]::internal::Local>::release_handle
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/internal.rs:452:18
[INFO] [stderr]   36:     0x59eb7a2d3002 - <crossbeam_epoch[f49994a649a3156e]::collector::LocalHandle as core[786f478f706679df]::ops::drop::Drop>::drop
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.7.2/src/collector.rs:95:13
[INFO] [stderr]   37:     0x59eb7a2cc27a - core[786f478f706679df]::ptr::drop_in_place::<crossbeam_epoch[f49994a649a3156e]::collector::LocalHandle>
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ptr/mod.rs:809:1
[INFO] [stderr]   38:     0x59eb7a2c7719 - <core[786f478f706679df]::mem::maybe_uninit::MaybeUninit<crossbeam_epoch[f49994a649a3156e]::collector::LocalHandle>>::assume_init_drop
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/mem/maybe_uninit.rs:832:18
[INFO] [stderr]   39:     0x59eb7a2c7719 - std[f92b4c606f291077]::sys::thread_local::native::lazy::destroy::<crossbeam_epoch[f49994a649a3156e]::collector::LocalHandle>::{closure#0}
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread_local/native/lazy.rs:121:45
[INFO] [stderr]   40:     0x59eb7a2d13c2 - std[f92b4c606f291077]::sys::thread_local::abort_on_dtor_unwind::<std[f92b4c606f291077]::sys::thread_local::native::lazy::destroy<crossbeam_epoch[f49994a649a3156e]::collector::LocalHandle>::{closure#0}>
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread_local/mod.rs:210:5
[INFO] [stderr]   41:     0x59eb7a2c7511 - std[f92b4c606f291077]::sys::thread_local::native::lazy::destroy::<crossbeam_epoch[f49994a649a3156e]::collector::LocalHandle>
[INFO] [stderr]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread_local/native/lazy.rs:114:5
[INFO] [stderr]   42:     0x7a70d9ed372f - __call_tls_dtors
[INFO] [stderr]   43:     0x7a70d9f2888b - <unknown>
[INFO] [stderr]   44:     0x7a70d9fb5a64 - clone
[INFO] [stderr]   45:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test mono_test`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/mono_test-a62ff3e475ba86e3` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "ac48a6b803b8f434563bcfb4ce268740887f12ac6a00a1df0755c808db0f665a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac48a6b803b8f434563bcfb4ce268740887f12ac6a00a1df0755c808db0f665a", kill_on_drop: false }`
[INFO] [stdout] ac48a6b803b8f434563bcfb4ce268740887f12ac6a00a1df0755c808db0f665a
