[INFO] fetching crate readlock 0.1.9...
[INFO] testing readlock-0.1.9 against beta-2025-04-13 for beta-1.87-1
[INFO] extracting crate readlock 0.1.9 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate readlock 0.1.9 on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readlock 0.1.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate readlock 0.1.9
[INFO] tweaked toml for crates.io crate readlock 0.1.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate readlock 0.1.9 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" "+beta-2025-04-13" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1314dc3cd3a4b57fb19bf09bc88232f4664af492869815076235398353c26752
[INFO] running `Command { std: "docker" "start" "-a" "1314dc3cd3a4b57fb19bf09bc88232f4664af492869815076235398353c26752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1314dc3cd3a4b57fb19bf09bc88232f4664af492869815076235398353c26752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1314dc3cd3a4b57fb19bf09bc88232f4664af492869815076235398353c26752", kill_on_drop: false }`
[INFO] [stdout] 1314dc3cd3a4b57fb19bf09bc88232f4664af492869815076235398353c26752
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a1cd281b9d8e2a95d67a70d3f3c0e2b3b3c138287f8aa5293194b61ea953195
[INFO] running `Command { std: "docker" "start" "-a" "0a1cd281b9d8e2a95d67a70d3f3c0e2b3b3c138287f8aa5293194b61ea953195", kill_on_drop: false }`
[INFO] [stderr]    Compiling readlock v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "0a1cd281b9d8e2a95d67a70d3f3c0e2b3b3c138287f8aa5293194b61ea953195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1cd281b9d8e2a95d67a70d3f3c0e2b3b3c138287f8aa5293194b61ea953195", kill_on_drop: false }`
[INFO] [stdout] 0a1cd281b9d8e2a95d67a70d3f3c0e2b3b3c138287f8aa5293194b61ea953195
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638232b1b24e78e5b4f35fe39b34a5bfb012121be3d845812d07f77161a5c5b5
[INFO] running `Command { std: "docker" "start" "-a" "638232b1b24e78e5b4f35fe39b34a5bfb012121be3d845812d07f77161a5c5b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling readlock v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "638232b1b24e78e5b4f35fe39b34a5bfb012121be3d845812d07f77161a5c5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638232b1b24e78e5b4f35fe39b34a5bfb012121be3d845812d07f77161a5c5b5", kill_on_drop: false }`
[INFO] [stdout] 638232b1b24e78e5b4f35fe39b34a5bfb012121be3d845812d07f77161a5c5b5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69b751fa481017042336c952608f42056ae7b883d1b6e007db977b6e0bae0e37
[INFO] running `Command { std: "docker" "start" "-a" "69b751fa481017042336c952608f42056ae7b883d1b6e007db977b6e0bae0e37", 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/readlock-d00ed2b0f5bf2885)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/it/main.rs (/opt/rustwide/target/debug/deps/it-f7c1c4de6f6f3cd2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parallel_read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests readlock
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69b751fa481017042336c952608f42056ae7b883d1b6e007db977b6e0bae0e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b751fa481017042336c952608f42056ae7b883d1b6e007db977b6e0bae0e37", kill_on_drop: false }`
[INFO] [stdout] 69b751fa481017042336c952608f42056ae7b883d1b6e007db977b6e0bae0e37