[INFO] fetching crate app-world 0.3.0... [INFO] testing app-world-0.3.0 against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2 [INFO] extracting crate app-world 0.3.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate app-world 0.3.0 [INFO] finished tweaking crates.io crate app-world 0.3.0 [INFO] tweaked toml for crates.io crate app-world 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate app-world 0.3.0 on toolchain 1.99.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "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" "+1.99.0-beta.1" "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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6 [INFO] running `Command { std: "docker" "start" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6", 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" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6", 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" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling app-world v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6", 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" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling app-world v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6", 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" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "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/app_world-84a1122db52d375e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::two_non_colliding_reads ... ok [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stdout] test tests::deadlock_prevention_same_thread_double_read_another_thread_write - should panic ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::deadlock_prevention_same_thread_double_read_another_thread_write stdout ---- [INFO] [stdout] [INFO] [stdout] thread '' (142) panicked at src/lib.rs:147:17: [INFO] [stdout] Thread already holds read guard [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5e300ecabe21 - <::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt [INFO] [stdout] 1: 0x5e300ecbfffa - core[7c831bd917ebf35f]::fmt::write [INFO] [stdout] 2: 0x5e300ecb02bc - as core[7c831bd917ebf35f]::io::write::Write>::write_fmt [INFO] [stdout] 3: 0x5e300ec88356 - std[104cf6e2632825ea]::panicking::default_hook::{closure#0} [INFO] [stdout] 4: 0x5e300eca4489 - std[104cf6e2632825ea]::panicking::default_hook [INFO] [stdout] 5: 0x5e300ec40940 - test[73009c9f9aebf890]::test_main_inner::::{closure#0} [INFO] [stdout] 6: 0x5e300eca4642 - std[104cf6e2632825ea]::panicking::panic_with_hook [INFO] [stdout] 7: 0x5e300ec88434 - std[104cf6e2632825ea]::panicking::panic_handler::{closure#0} [INFO] [stdout] 8: 0x5e300ec80da9 - std[104cf6e2632825ea]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] 9: 0x5e300ec88ffd - __rustc[b0d56fa5b193ad05]::rust_begin_unwind [INFO] [stdout] 10: 0x5e300ecc072c - core[7c831bd917ebf35f]::panicking::panic_fmt [INFO] [stdout] 11: 0x5e300ec33042 - >::read [INFO] [stdout] 12: 0x5e300ec32689 - std[104cf6e2632825ea]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 13: 0x5e300ec32cd9 - ::{closure#1} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] 14: 0x5e300ecab6f9 - ::new::thread_start [INFO] [stdout] 15: 0x74c16622b07a - [INFO] [stdout] 16: 0x74c1662be534 - clone [INFO] [stdout] 17: 0x0 - [INFO] [stdout] [INFO] [stdout] thread 'tests::deadlock_prevention_same_thread_double_read_another_thread_write' (140) panicked at src/lib.rs:253:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: false [INFO] [stdout] right: true [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5e300ecabe21 - <::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt [INFO] [stdout] 1: 0x5e300ecbfffa - core[7c831bd917ebf35f]::fmt::write [INFO] [stdout] 2: 0x5e300ecb02bc - as core[7c831bd917ebf35f]::io::write::Write>::write_fmt [INFO] [stdout] 3: 0x5e300ec88356 - std[104cf6e2632825ea]::panicking::default_hook::{closure#0} [INFO] [stdout] 4: 0x5e300eca4489 - std[104cf6e2632825ea]::panicking::default_hook [INFO] [stdout] 5: 0x5e300ec40940 - test[73009c9f9aebf890]::test_main_inner::::{closure#0} [INFO] [stdout] 6: 0x5e300eca4642 - std[104cf6e2632825ea]::panicking::panic_with_hook [INFO] [stdout] 7: 0x5e300ec88402 - std[104cf6e2632825ea]::panicking::panic_handler::{closure#0} [INFO] [stdout] 8: 0x5e300ec80da9 - std[104cf6e2632825ea]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] 9: 0x5e300ec88ffd - __rustc[b0d56fa5b193ad05]::rust_begin_unwind [INFO] [stdout] 10: 0x5e300ecc072c - core[7c831bd917ebf35f]::panicking::panic_fmt [INFO] [stdout] 11: 0x5e300ecc0643 - core[7c831bd917ebf35f]::panicking::assert_failed_inner [INFO] [stdout] 12: 0x5e300ec32175 - core[7c831bd917ebf35f]::panicking::assert_failed:: [INFO] [stdout] 13: 0x5e300ec3381e - >::call_once [INFO] [stdout] 14: 0x5e300ec33c2b - test[73009c9f9aebf890]::__rust_begin_short_backtrace::, fn() -> core[7c831bd917ebf35f]::result::Result<(), alloc[2fdc3f7464fcf288]::string::String>> [INFO] [stdout] 15: 0x5e300ec41295 - test[73009c9f9aebf890]::run_test::{closure#0} [INFO] [stdout] 16: 0x5e300ec3a654 - std[104cf6e2632825ea]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 17: 0x5e300ec443f2 - ::{closure#1} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] 18: 0x5e300ecab6f9 - ::new::thread_start [INFO] [stdout] 19: 0x74c16622b07a - [INFO] [stdout] 20: 0x74c1662be534 - clone [INFO] [stdout] 21: 0x0 - [INFO] [stdout] note: panic did not contain expected string [INFO] [stdout] panic message: "assertion `left == right` failed\n left: false\n right: true" [INFO] [stdout] expected substring: "Second read attempt panicked" [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::deadlock_prevention_same_thread_double_read_another_thread_write [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6", kill_on_drop: false }` [INFO] [stdout] c7d3af2615aff9fa4665ced2dc2b784b6f585fa6febc35c36fe9b8251e5dbbd6