[INFO] fetching crate treiber_stack 1.2.3...
[INFO] testing treiber_stack-1.2.3 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate treiber_stack 1.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate treiber_stack 1.2.3
[INFO] finished tweaking crates.io crate treiber_stack 1.2.3
[INFO] tweaked toml for crates.io crate treiber_stack 1.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate treiber_stack 1.2.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate treiber_stack 1.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace-on-stack-overflow v0.3.0
[INFO] [stderr]   Downloaded nix v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4
[INFO] running `Command { std: "docker" "start" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling treiber_stack v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling backtrace-on-stack-overflow v0.3.0
[INFO] [stderr]    Compiling treiber_stack v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 14.97s
[INFO] running `Command { std: "docker" "inspect" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/treiber_stack-6280cde89bad4bd1)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test queue::queue_tests::test_head_cell ... ok
[INFO] [stdout] test stack::treiber_stack_tests::test_simple ... ok
[INFO] [stdout] test stack::treiber_stack_tests::test_into_item_vec_clean ... ok
[INFO] [stdout] test stack::treiber_stack_tests::test_from_and_into ... ok
[INFO] [stdout] test stack::treiber_stack_tests::test_into_item_vec_dirty ... ok
[INFO] [stdout] test stack::treiber_stack_tests::test_pop_fn_filter ... ok
[INFO] [stdout] test queue::queue_tests::test_contents_are_dropped ... ok
[INFO] [stdout] test queue::queue_tests::test_push_reports_state_correctly ... ok
[INFO] [stdout] test stack::treiber_stack_tests::test_pop_fn ... ok
[INFO] [stdout] test stack::treiber_stack_tests::test_threaded ... FAILED
[INFO] [stdout] test stack::treiber_stack_tests::test_batches ... ok
[INFO] [stdout] test queue::queue_tests::test_concurrent_pushes_and_pops ... ok
[INFO] [stdout] test queue::queue_tests::test_concurrent_pushes_then_concurrent_pops ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- stack::treiber_stack_tests::test_threaded stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (355) panicked at src/stack.rs:841:21:
[INFO] [stdout] No items added by thread 7
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b39a61b7a81 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5b39a61cbf7a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5b39a61bc05c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5b39a6193886 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5b39a61afe69 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5b39a614b750 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5b39a61b0192 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5b39a6193932 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5b39a618c6b9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5b39a619452d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5b39a61cc6ac - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5b39a6106aa6 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<treiber_stack[d674abb0b7fb2bdf]::stack::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>
[INFO] [stdout]   12:     0x5b39a61033ec - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<treiber_stack[d674abb0b7fb2bdf]::stack::treiber_stack_tests::test_threaded::{closure#0}::{closure#0}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   13:     0x5b39a61b7349 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   14:     0x7f87e8c97dfa - <unknown>
[INFO] [stdout]   15:     0x7f87e8d2b3d4 - clone
[INFO] [stdout]   16:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'stack::treiber_stack_tests::test_threaded' (325) panicked at src/stack.rs:822:9:
[INFO] [stdout] a scoped thread panicked
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b39a61b7a81 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5b39a61cbf7a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5b39a61bc05c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5b39a6193886 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5b39a61afe69 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5b39a614b750 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5b39a61b0192 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5b39a6193964 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5b39a618c6b9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5b39a619452d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5b39a61cc6ac - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5b39a60f7ba4 - std[70759c8f55707aa4]::thread::scoped::scope::<treiber_stack[d674abb0b7fb2bdf]::stack::treiber_stack_tests::test_threaded::{closure#0}, ()>
[INFO] [stdout]   12:     0x5b39a60ef537 - treiber_stack[d674abb0b7fb2bdf]::stack::treiber_stack_tests::test_threaded
[INFO] [stdout]   13:     0x5b39a60f6c49 - <treiber_stack[d674abb0b7fb2bdf]::stack::treiber_stack_tests::test_threaded::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5b39a613ea3b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5b39a614c0a5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5b39a6145964 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5b39a614f202 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5b39a61b7349 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7f87e8c97dfa - <unknown>
[INFO] [stdout]   20:     0x7f87e8d2b3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     stack::treiber_stack_tests::test_threaded
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.76s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4", kill_on_drop: false }`
[INFO] [stdout] 781252dac89acf02979763319a65461d2dd3e7b5c0c07aaa44bb4bbf5c0ed6c4
