[INFO] fetching crate treiber_stack 1.1.1...
[INFO] testing treiber_stack-1.1.1 against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] extracting crate treiber_stack 1.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate treiber_stack 1.1.1
[INFO] finished tweaking crates.io crate treiber_stack 1.1.1
[INFO] tweaked toml for crates.io crate treiber_stack 1.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treiber_stack 1.1.1 on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36bb1cc42186edf7cf3577aa70b8ddfe5681f35a057d00bb93536f61361d96f2
[INFO] running `Command { std: "docker" "start" "-a" "36bb1cc42186edf7cf3577aa70b8ddfe5681f35a057d00bb93536f61361d96f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36bb1cc42186edf7cf3577aa70b8ddfe5681f35a057d00bb93536f61361d96f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bb1cc42186edf7cf3577aa70b8ddfe5681f35a057d00bb93536f61361d96f2", kill_on_drop: false }`
[INFO] [stdout] 36bb1cc42186edf7cf3577aa70b8ddfe5681f35a057d00bb93536f61361d96f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033bec7e50b1ddcc043116d964ca59cf220381c0542c2e8c078c8b9c820079c1
[INFO] running `Command { std: "docker" "start" "-a" "033bec7e50b1ddcc043116d964ca59cf220381c0542c2e8c078c8b9c820079c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-swap v1.8.0
[INFO] [stderr]    Compiling treiber_stack v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "033bec7e50b1ddcc043116d964ca59cf220381c0542c2e8c078c8b9c820079c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033bec7e50b1ddcc043116d964ca59cf220381c0542c2e8c078c8b9c820079c1", kill_on_drop: false }`
[INFO] [stdout] 033bec7e50b1ddcc043116d964ca59cf220381c0542c2e8c078c8b9c820079c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b31d5877877e1f41d580e1ac446e241f13670b346a354035b1950ce0ab2c2fb
[INFO] running `Command { std: "docker" "start" "-a" "1b31d5877877e1f41d580e1ac446e241f13670b346a354035b1950ce0ab2c2fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling treiber_stack v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1b31d5877877e1f41d580e1ac446e241f13670b346a354035b1950ce0ab2c2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b31d5877877e1f41d580e1ac446e241f13670b346a354035b1950ce0ab2c2fb", kill_on_drop: false }`
[INFO] [stdout] 1b31d5877877e1f41d580e1ac446e241f13670b346a354035b1950ce0ab2c2fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f30a228577c7690f00918f8ecb4b1620d1a3e9dbf89b7b750d615b088eb612d9
[INFO] running `Command { std: "docker" "start" "-a" "f30a228577c7690f00918f8ecb4b1620d1a3e9dbf89b7b750d615b088eb612d9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/treiber_stack-5d48e5b4b5d42c11)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test treiber_stack_tests::test_pop_fn ... ok
[INFO] [stdout] test treiber_stack_tests::test_simple ... ok
[INFO] [stdout] test treiber_stack_tests::test_pop_fn_filter ... ok
[INFO] [stdout] test treiber_stack_tests::test_from_and_into ... ok
[INFO] [stdout] test treiber_stack_tests::test_threaded ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- treiber_stack_tests::test_threaded stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (36) panicked at src/lib.rs:786:21:
[INFO] [stdout] No items added by thread 7
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fb12fed46b2 - std[b14e17aa63033746]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fb12fed46b2 - std[b14e17aa63033746]::backtrace_rs::backtrace::trace_unsynchronized::<std[b14e17aa63033746]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fb12fed46b2 - std[b14e17aa63033746]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fb12fed46b2 - <<std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7ebf52c056bd56a4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fb12fee908a - <core[7ebf52c056bd56a4]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fb12fee908a - core[7ebf52c056bd56a4]::fmt::write
[INFO] [stdout]    6:     0x5fb12fed95e6 - std[b14e17aa63033746]::io::default_write_fmt::<alloc[ed4a2d6a5f8966cc]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fb12fed95e6 - <alloc[ed4a2d6a5f8966cc]::vec::Vec<u8> as std[b14e17aa63033746]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5fb12feb29ff - <std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fb12feb29ff - std[b14e17aa63033746]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fb12fecc829 - std[b14e17aa63033746]::panicking::default_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fb12fe6560e - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5fb12fe6560e - test[3318909d72adbd73]::test_main_with_exit_callback::<test[3318909d72adbd73]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fb12fecca92 - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5fb12fecca92 - std[b14e17aa63033746]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fb12feb2ab8 - std[b14e17aa63033746]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fb12feaa4e9 - std[b14e17aa63033746]::sys::backtrace::__rust_end_short_backtrace::<std[b14e17aa63033746]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fb12feb390d - __rustc[f8abce35e9738d16]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fb12fee979c - core[7ebf52c056bd56a4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fb12fe47156 - treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:786:21
[INFO] [stdout]   20:     0x5fb12fe4cd26 - std[b14e17aa63033746]::sys::backtrace::__rust_begin_short_backtrace::<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   21:     0x5fb12fe5596a - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   22:     0x5fb12fe597e0 - <core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   23:     0x5fb12fe44a0a - std[b14e17aa63033746]::panicking::catch_unwind::do_call::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5fb12fe568db - __rust_try
[INFO] [stdout]   25:     0x5fb12fe555f0 - std[b14e17aa63033746]::panicking::catch_unwind::<(), core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x5fb12fe555f0 - std[b14e17aa63033746]::panic::catch_unwind::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5fb12fe555f0 - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   28:     0x5fb12fe4d44e - <std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1} as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5fb12fed3f4f - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn core[7ebf52c056bd56a4]::ops::function::FnOnce<(), Output = ()> + core[7ebf52c056bd56a4]::marker::Send> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   30:     0x5fb12fed3f4f - <std[b14e17aa63033746]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   31:     0x7eb1cffbbaa4 - <unknown>
[INFO] [stdout]   32:     0x7eb1d0048a64 - clone
[INFO] [stdout]   33:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'treiber_stack_tests::test_threaded' (29) panicked at src/lib.rs:767:9:
[INFO] [stdout] a scoped thread panicked
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fb12fed46b2 - std[b14e17aa63033746]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fb12fed46b2 - std[b14e17aa63033746]::backtrace_rs::backtrace::trace_unsynchronized::<std[b14e17aa63033746]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fb12fed46b2 - std[b14e17aa63033746]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fb12fed46b2 - <<std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7ebf52c056bd56a4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fb12fee908a - <core[7ebf52c056bd56a4]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fb12fee908a - core[7ebf52c056bd56a4]::fmt::write
[INFO] [stdout]    6:     0x5fb12fed95e6 - std[b14e17aa63033746]::io::default_write_fmt::<alloc[ed4a2d6a5f8966cc]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fb12fed95e6 - <alloc[ed4a2d6a5f8966cc]::vec::Vec<u8> as std[b14e17aa63033746]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5fb12feb29ff - <std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fb12feb29ff - std[b14e17aa63033746]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fb12fecc829 - std[b14e17aa63033746]::panicking::default_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fb12fe6560e - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5fb12fe6560e - test[3318909d72adbd73]::test_main_with_exit_callback::<test[3318909d72adbd73]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fb12fecca92 - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5fb12fecca92 - std[b14e17aa63033746]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fb12feb2aea - std[b14e17aa63033746]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5fb12feaa4e9 - std[b14e17aa63033746]::sys::backtrace::__rust_end_short_backtrace::<std[b14e17aa63033746]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fb12feb390d - __rustc[f8abce35e9738d16]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fb12fee979c - core[7ebf52c056bd56a4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fb12fe580a7 - std[b14e17aa63033746]::thread::scoped::scope::<treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/scoped.rs:167:13
[INFO] [stdout]   20:     0x5fb12fe48dde - treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:767:9
[INFO] [stdout]   21:     0x5fb12fe471d7 - treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:761:23
[INFO] [stdout]   22:     0x5fb12fe4e2f6 - <treiber_stack[8f262c47fe4edf7]::treiber_stack_tests::test_threaded::{closure#0} as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5fb12fe599bb - <fn() -> core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fb12fe599bb - test[3318909d72adbd73]::__rust_begin_short_backtrace::<core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>, fn() -> core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5fb12fe6621a - test[3318909d72adbd73]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5fb12fe6621a - <core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5fb12fe6621a - std[b14e17aa63033746]::panicking::catch_unwind::do_call::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>, core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5fb12fe6621a - std[b14e17aa63033746]::panicking::catch_unwind::<core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>, core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5fb12fe6621a - std[b14e17aa63033746]::panic::catch_unwind::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>, core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5fb12fe6621a - test[3318909d72adbd73]::run_test_in_process
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5fb12fe6621a - test[3318909d72adbd73]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5fb12fe617c4 - test[3318909d72adbd73]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5fb12fe617c4 - std[b14e17aa63033746]::sys::backtrace::__rust_begin_short_backtrace::<test[3318909d72adbd73]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5fb12fe68d12 - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x5fb12fe68d12 - <core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5fb12fe68d12 - std[b14e17aa63033746]::panicking::catch_unwind::do_call::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5fb12fe68d12 - std[b14e17aa63033746]::panicking::catch_unwind::<(), core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5fb12fe68d12 - std[b14e17aa63033746]::panic::catch_unwind::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5fb12fe68d12 - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x5fb12fe68d12 - <std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1} as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5fb12fed3f4f - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn core[7ebf52c056bd56a4]::ops::function::FnOnce<(), Output = ()> + core[7ebf52c056bd56a4]::marker::Send> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x5fb12fed3f4f - <std[b14e17aa63033746]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7eb1cffbbaa4 - <unknown>
[INFO] [stdout]   44:     0x7eb1d0048a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     treiber_stack_tests::test_threaded
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f30a228577c7690f00918f8ecb4b1620d1a3e9dbf89b7b750d615b088eb612d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30a228577c7690f00918f8ecb4b1620d1a3e9dbf89b7b750d615b088eb612d9", kill_on_drop: false }`
[INFO] [stdout] f30a228577c7690f00918f8ecb4b1620d1a3e9dbf89b7b750d615b088eb612d9