[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 '<unnamed>' (142) panicked at src/lib.rs:147:17:
[INFO] [stdout] Thread already holds read guard
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e300ecabe21 - <<std[104cf6e2632825ea]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5e300ecbfffa - core[7c831bd917ebf35f]::fmt::write
[INFO] [stdout]    2:     0x5e300ecb02bc - <alloc[2fdc3f7464fcf288]::vec::Vec<u8> 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::<test[73009c9f9aebf890]::test_main_static::{closure#0}>::{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::<std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5e300ec88ffd - __rustc[b0d56fa5b193ad05]::rust_begin_unwind
[INFO] [stdout]   10:     0x5e300ecc072c - core[7c831bd917ebf35f]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5e300ec33042 - <app_world[953c690faafd0bd2]::AppWorldWrapper<app_world[953c690faafd0bd2]::tests::TestWorld>>::read
[INFO] [stdout]   12:     0x5e300ec32689 - std[104cf6e2632825ea]::sys::backtrace::__rust_begin_short_backtrace::<app_world[953c690faafd0bd2]::tests::deadlock_prevention_same_thread_double_read_another_thread_write::{closure#0}, ()>
[INFO] [stdout]   13:     0x5e300ec32cd9 - <std[104cf6e2632825ea]::thread::lifecycle::spawn_unchecked<app_world[953c690faafd0bd2]::tests::deadlock_prevention_same_thread_double_read_another_thread_write::{closure#0}, ()>::{closure#1} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   14:     0x5e300ecab6f9 - <std[104cf6e2632825ea]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   15:     0x74c16622b07a - <unknown>
[INFO] [stdout]   16:     0x74c1662be534 - clone
[INFO] [stdout]   17:                0x0 - <unknown>
[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 - <<std[104cf6e2632825ea]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5e300ecbfffa - core[7c831bd917ebf35f]::fmt::write
[INFO] [stdout]    2:     0x5e300ecb02bc - <alloc[2fdc3f7464fcf288]::vec::Vec<u8> 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::<test[73009c9f9aebf890]::test_main_static::{closure#0}>::{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::<std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}, !>
[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::<bool, bool>
[INFO] [stdout]   13:     0x5e300ec3381e - <app_world[953c690faafd0bd2]::tests::deadlock_prevention_same_thread_double_read_another_thread_write::{closure#0} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5e300ec33c2b - test[73009c9f9aebf890]::__rust_begin_short_backtrace::<core[7c831bd917ebf35f]::result::Result<(), alloc[2fdc3f7464fcf288]::string::String>, 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::<test[73009c9f9aebf890]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5e300ec443f2 - <std[104cf6e2632825ea]::thread::lifecycle::spawn_unchecked<test[73009c9f9aebf890]::run_test::{closure#1}, ()>::{closure#1} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5e300ecab6f9 - <std[104cf6e2632825ea]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x74c16622b07a - <unknown>
[INFO] [stdout]   20:     0x74c1662be534 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[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
