[INFO] fetching crate spmcq 0.1.0...
[INFO] testing spmcq-0.1.0 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate spmcq 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate spmcq 0.1.0
[INFO] finished tweaking crates.io crate spmcq 0.1.0
[INFO] tweaked toml for crates.io crate spmcq 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spmcq 0.1.0 on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ca4c1a6249d595c538024ba9b9296c34d7210e349e88d3dbd921322462466eb
[INFO] running `Command { std: "docker" "start" "-a" "2ca4c1a6249d595c538024ba9b9296c34d7210e349e88d3dbd921322462466eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ca4c1a6249d595c538024ba9b9296c34d7210e349e88d3dbd921322462466eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca4c1a6249d595c538024ba9b9296c34d7210e349e88d3dbd921322462466eb", kill_on_drop: false }`
[INFO] [stdout] 2ca4c1a6249d595c538024ba9b9296c34d7210e349e88d3dbd921322462466eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34852dcdbe26589b1ffb92435c75f738680d73bd4128c3bfde6079ba258a8cc4
[INFO] running `Command { std: "docker" "start" "-a" "34852dcdbe26589b1ffb92435c75f738680d73bd4128c3bfde6079ba258a8cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling spmcq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "34852dcdbe26589b1ffb92435c75f738680d73bd4128c3bfde6079ba258a8cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34852dcdbe26589b1ffb92435c75f738680d73bd4128c3bfde6079ba258a8cc4", kill_on_drop: false }`
[INFO] [stdout] 34852dcdbe26589b1ffb92435c75f738680d73bd4128c3bfde6079ba258a8cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6d1010872ecfb7b758bc0c5931b9a9887d7afbc9b7b011dd1f99a251fdbdb6
[INFO] running `Command { std: "docker" "start" "-a" "7a6d1010872ecfb7b758bc0c5931b9a9887d7afbc9b7b011dd1f99a251fdbdb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling spmcq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "7a6d1010872ecfb7b758bc0c5931b9a9887d7afbc9b7b011dd1f99a251fdbdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6d1010872ecfb7b758bc0c5931b9a9887d7afbc9b7b011dd1f99a251fdbdb6", kill_on_drop: false }`
[INFO] [stdout] 7a6d1010872ecfb7b758bc0c5931b9a9887d7afbc9b7b011dd1f99a251fdbdb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da5762391ffc3403e1de54b80ad6e5495c06d1b2bf8d1b52d5120a7ae61c673d
[INFO] running `Command { std: "docker" "start" "-a" "da5762391ffc3403e1de54b80ad6e5495c06d1b2bf8d1b52d5120a7ae61c673d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spmcq-f6955c671d93b631)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test::test_dropouts_lapped_once_one_thread ... ok
[INFO] [stdout] test test::test_skip_ahead_basic_one_thread ... ok
[INFO] [stdout] test test::test_dropouts_lapped_twice_one_thread ... ok
[INFO] [stdout] test test::test_two_readers_one_thread ... ok
[INFO] [stdout] test test::test_skip_ahead_lapped_one_thread ... ok
[INFO] [stdout] test test::test_wraparound_keeping_pace_one_thread ... ok
[INFO] [stdout] test test::test_basic_use_one_thread ... ok
[INFO] [stdout] test test::test_custom_data_type_one_thread ... ok
[INFO] [stdout] test test::test_one_reader_two_threads ... FAILED
[INFO] [stdout] test test::test_two_readers_three_threads ... ok
[INFO] [stdout] test test::test_one_reader_two_threads_high_throughput ... ok
[INFO] [stdout] test test::test_two_readers_three_threads_high_throughput ... ok
[INFO] [stdout] test test::test_custom_data_type_one_reader_two_threads_high_throughput ... ok
[INFO] [stdout] test test::test_custom_data_type_two_readers_three_threads_high_throughput ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_one_reader_two_threads stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (37) panicked at src/test.rs:273:47:
[INFO] [stdout] explicit panic
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bb9a8aa3202 - std[ed5b486fa4cdb954]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bb9a8aa3202 - std[ed5b486fa4cdb954]::backtrace_rs::backtrace::trace_unsynchronized::<std[ed5b486fa4cdb954]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bb9a8aa3202 - std[ed5b486fa4cdb954]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bb9a8aa3202 - <<std[ed5b486fa4cdb954]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[ab67b43d93431064]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bb9a8ab7a6a - <core[ab67b43d93431064]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bb9a8ab7a6a - core[ab67b43d93431064]::fmt::write
[INFO] [stdout]    6:     0x5bb9a8aa8036 - std[ed5b486fa4cdb954]::io::default_write_fmt::<alloc[8787631d7fe8ec5a]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bb9a8aa8036 - <alloc[8787631d7fe8ec5a]::vec::Vec<u8> as std[ed5b486fa4cdb954]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5bb9a8a815ff - <std[ed5b486fa4cdb954]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bb9a8a815ff - std[ed5b486fa4cdb954]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bb9a8a9b469 - std[ed5b486fa4cdb954]::panicking::default_hook
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bb9a8a36d1e - <alloc[8787631d7fe8ec5a]::boxed::Box<dyn for<'a, 'b> core[ab67b43d93431064]::ops::function::Fn<(&'a std[ed5b486fa4cdb954]::panic::PanicHookInfo<'b>,), Output = ()> + core[ab67b43d93431064]::marker::Send + core[ab67b43d93431064]::marker::Sync> as core[ab67b43d93431064]::ops::function::Fn<(&std[ed5b486fa4cdb954]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5bb9a8a36d1e - test[f0ec78552bebb08e]::test_main_with_exit_callback::<test[f0ec78552bebb08e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bb9a8a9b622 - <alloc[8787631d7fe8ec5a]::boxed::Box<dyn for<'a, 'b> core[ab67b43d93431064]::ops::function::Fn<(&'a std[ed5b486fa4cdb954]::panic::PanicHookInfo<'b>,), Output = ()> + core[ab67b43d93431064]::marker::Send + core[ab67b43d93431064]::marker::Sync> as core[ab67b43d93431064]::ops::function::Fn<(&std[ed5b486fa4cdb954]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5bb9a8a9b622 - std[ed5b486fa4cdb954]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bb9a8a816ea - std[ed5b486fa4cdb954]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5bb9a8a79119 - std[ed5b486fa4cdb954]::sys::backtrace::__rust_end_short_backtrace::<std[ed5b486fa4cdb954]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bb9a8a8250d - __rustc[5067f77124470312]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bb9a8ab817c - core[ab67b43d93431064]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bb9a8ab8142 - core[ab67b43d93431064]::panicking::panic
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5bb9a8a14cef - spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:273:47
[INFO] [stdout]   21:     0x5bb9a8a27be6 - std[ed5b486fa4cdb954]::sys::backtrace::__rust_begin_short_backtrace::<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   22:     0x5bb9a8a11783 - std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked::<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   23:     0x5bb9a8a2ad70 - <core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>::{closure#1}::{closure#0}> as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   24:     0x5bb9a8a258fa - std[ed5b486fa4cdb954]::panicking::catch_unwind::do_call::<core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:581:40
[INFO] [stdout]   25:     0x5bb9a8a13c8b - __rust_try
[INFO] [stdout]   26:     0x5bb9a8a0d69e - std[ed5b486fa4cdb954]::panicking::catch_unwind::<(), core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:544:19
[INFO] [stdout]   27:     0x5bb9a8a0d69e - std[ed5b486fa4cdb954]::panic::catch_unwind::<core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x5bb9a8a0d69e - std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked::<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   29:     0x5bb9a8a235be - <std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}, ()>::{closure#1} as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x5bb9a8aa2aaf - <alloc[8787631d7fe8ec5a]::boxed::Box<dyn core[ab67b43d93431064]::ops::function::FnOnce<(), Output = ()> + core[ab67b43d93431064]::marker::Send> as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   31:     0x5bb9a8aa2aaf - <std[ed5b486fa4cdb954]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   32:     0x7fb9cc215aa4 - <unknown>
[INFO] [stdout]   33:     0x7fb9cc2a2a64 - clone
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test_one_reader_two_threads' (31) panicked at src/test.rs:287:26:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bb9a8aa3202 - std[ed5b486fa4cdb954]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bb9a8aa3202 - std[ed5b486fa4cdb954]::backtrace_rs::backtrace::trace_unsynchronized::<std[ed5b486fa4cdb954]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bb9a8aa3202 - std[ed5b486fa4cdb954]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bb9a8aa3202 - <<std[ed5b486fa4cdb954]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[ab67b43d93431064]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bb9a8ab7a6a - <core[ab67b43d93431064]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bb9a8ab7a6a - core[ab67b43d93431064]::fmt::write
[INFO] [stdout]    6:     0x5bb9a8aa8036 - std[ed5b486fa4cdb954]::io::default_write_fmt::<alloc[8787631d7fe8ec5a]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bb9a8aa8036 - <alloc[8787631d7fe8ec5a]::vec::Vec<u8> as std[ed5b486fa4cdb954]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5bb9a8a815ff - <std[ed5b486fa4cdb954]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bb9a8a815ff - std[ed5b486fa4cdb954]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bb9a8a9b469 - std[ed5b486fa4cdb954]::panicking::default_hook
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bb9a8a36d1e - <alloc[8787631d7fe8ec5a]::boxed::Box<dyn for<'a, 'b> core[ab67b43d93431064]::ops::function::Fn<(&'a std[ed5b486fa4cdb954]::panic::PanicHookInfo<'b>,), Output = ()> + core[ab67b43d93431064]::marker::Send + core[ab67b43d93431064]::marker::Sync> as core[ab67b43d93431064]::ops::function::Fn<(&std[ed5b486fa4cdb954]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5bb9a8a36d1e - test[f0ec78552bebb08e]::test_main_with_exit_callback::<test[f0ec78552bebb08e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bb9a8a9b622 - <alloc[8787631d7fe8ec5a]::boxed::Box<dyn for<'a, 'b> core[ab67b43d93431064]::ops::function::Fn<(&'a std[ed5b486fa4cdb954]::panic::PanicHookInfo<'b>,), Output = ()> + core[ab67b43d93431064]::marker::Send + core[ab67b43d93431064]::marker::Sync> as core[ab67b43d93431064]::ops::function::Fn<(&std[ed5b486fa4cdb954]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5bb9a8a9b622 - std[ed5b486fa4cdb954]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bb9a8a816b8 - std[ed5b486fa4cdb954]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5bb9a8a79119 - std[ed5b486fa4cdb954]::sys::backtrace::__rust_end_short_backtrace::<std[ed5b486fa4cdb954]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bb9a8a8250d - __rustc[5067f77124470312]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bb9a8ab817c - core[ab67b43d93431064]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bb9a8ab7ef2 - core[ab67b43d93431064]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5bb9a8a19eb5 - <core[ab67b43d93431064]::result::Result<(), alloc[8787631d7fe8ec5a]::boxed::Box<dyn core[ab67b43d93431064]::any::Any + core[ab67b43d93431064]::marker::Send>>>::unwrap
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5bb9a8a19eb5 - spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:287:26
[INFO] [stdout]   22:     0x5bb9a8a14937 - spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:262:33
[INFO] [stdout]   23:     0x5bb9a8a247c6 - <spmcq[5ccd1c78cf416be9]::test::test_one_reader_two_threads::{closure#0} as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5bb9a8a2b0cb - <fn() -> core[ab67b43d93431064]::result::Result<(), alloc[8787631d7fe8ec5a]::string::String> as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5bb9a8a2b0cb - test[f0ec78552bebb08e]::__rust_begin_short_backtrace::<core[ab67b43d93431064]::result::Result<(), alloc[8787631d7fe8ec5a]::string::String>, fn() -> core[ab67b43d93431064]::result::Result<(), alloc[8787631d7fe8ec5a]::string::String>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5bb9a8a3792a - test[f0ec78552bebb08e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5bb9a8a3792a - <core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<test[f0ec78552bebb08e]::run_test_in_process::{closure#0}> as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5bb9a8a3792a - std[ed5b486fa4cdb954]::panicking::catch_unwind::do_call::<core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<test[f0ec78552bebb08e]::run_test_in_process::{closure#0}>, core[ab67b43d93431064]::result::Result<(), alloc[8787631d7fe8ec5a]::string::String>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5bb9a8a3792a - std[ed5b486fa4cdb954]::panicking::catch_unwind::<core[ab67b43d93431064]::result::Result<(), alloc[8787631d7fe8ec5a]::string::String>, core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<test[f0ec78552bebb08e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5bb9a8a3792a - std[ed5b486fa4cdb954]::panic::catch_unwind::<core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<test[f0ec78552bebb08e]::run_test_in_process::{closure#0}>, core[ab67b43d93431064]::result::Result<(), alloc[8787631d7fe8ec5a]::string::String>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5bb9a8a3792a - test[f0ec78552bebb08e]::run_test_in_process
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5bb9a8a3792a - test[f0ec78552bebb08e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5bb9a8a32ed4 - test[f0ec78552bebb08e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5bb9a8a32ed4 - std[ed5b486fa4cdb954]::sys::backtrace::__rust_begin_short_backtrace::<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5bb9a8a3a422 - std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked::<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5bb9a8a3a422 - <core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5bb9a8a3a422 - std[ed5b486fa4cdb954]::panicking::catch_unwind::do_call::<core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5bb9a8a3a422 - std[ed5b486fa4cdb954]::panicking::catch_unwind::<(), core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5bb9a8a3a422 - std[ed5b486fa4cdb954]::panic::catch_unwind::<core[ab67b43d93431064]::panic::unwind_safe::AssertUnwindSafe<std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5bb9a8a3a422 - std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked::<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5bb9a8a3a422 - <std[ed5b486fa4cdb954]::thread::lifecycle::spawn_unchecked<test[f0ec78552bebb08e]::run_test::{closure#1}, ()>::{closure#1} as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5bb9a8aa2aaf - <alloc[8787631d7fe8ec5a]::boxed::Box<dyn core[ab67b43d93431064]::ops::function::FnOnce<(), Output = ()> + core[ab67b43d93431064]::marker::Send> as core[ab67b43d93431064]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5bb9a8aa2aaf - <std[ed5b486fa4cdb954]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7fb9cc215aa4 - <unknown>
[INFO] [stdout]   45:     0x7fb9cc2a2a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_one_reader_two_threads
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 46.39s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "da5762391ffc3403e1de54b80ad6e5495c06d1b2bf8d1b52d5120a7ae61c673d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5762391ffc3403e1de54b80ad6e5495c06d1b2bf8d1b52d5120a7ae61c673d", kill_on_drop: false }`
[INFO] [stdout] da5762391ffc3403e1de54b80ad6e5495c06d1b2bf8d1b52d5120a7ae61c673d