[INFO] fetching crate readlock 0.1.9...
[INFO] testing readlock-0.1.9 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate readlock 0.1.9 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate readlock 0.1.9 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2025-09-21" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bc8f55a0ec1e5bde7ccedc4c1f2a1555606dd43e603b54076f89f9622d17166
[INFO] running `Command { std: "docker" "start" "-a" "5bc8f55a0ec1e5bde7ccedc4c1f2a1555606dd43e603b54076f89f9622d17166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc8f55a0ec1e5bde7ccedc4c1f2a1555606dd43e603b54076f89f9622d17166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc8f55a0ec1e5bde7ccedc4c1f2a1555606dd43e603b54076f89f9622d17166", kill_on_drop: false }`
[INFO] [stdout] 5bc8f55a0ec1e5bde7ccedc4c1f2a1555606dd43e603b54076f89f9622d17166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1090734ac0c4c438c1ab4f0307aaaf965c746c34512a70ee1815126fae3c2f5b
[INFO] running `Command { std: "docker" "start" "-a" "1090734ac0c4c438c1ab4f0307aaaf965c746c34512a70ee1815126fae3c2f5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling readlock v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "1090734ac0c4c438c1ab4f0307aaaf965c746c34512a70ee1815126fae3c2f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1090734ac0c4c438c1ab4f0307aaaf965c746c34512a70ee1815126fae3c2f5b", kill_on_drop: false }`
[INFO] [stdout] 1090734ac0c4c438c1ab4f0307aaaf965c746c34512a70ee1815126fae3c2f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27b556504ee0bd2a1e9390c49b7e2554c183fcb42c96d79464fa38124acc5df
[INFO] running `Command { std: "docker" "start" "-a" "a27b556504ee0bd2a1e9390c49b7e2554c183fcb42c96d79464fa38124acc5df", kill_on_drop: false }`
[INFO] [stderr]    Compiling readlock v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a27b556504ee0bd2a1e9390c49b7e2554c183fcb42c96d79464fa38124acc5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27b556504ee0bd2a1e9390c49b7e2554c183fcb42c96d79464fa38124acc5df", kill_on_drop: false }`
[INFO] [stdout] a27b556504ee0bd2a1e9390c49b7e2554c183fcb42c96d79464fa38124acc5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e4b7927bbe7dc7e56fb52ba1e02082956bb4ecb72a14c9e92fc87c4a00b63c9
[INFO] running `Command { std: "docker" "start" "-a" "2e4b7927bbe7dc7e56fb52ba1e02082956bb4ecb72a14c9e92fc87c4a00b63c9", 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] [stderr]      Running tests/it/main.rs (/opt/rustwide/target/debug/deps/it-f7c1c4de6f6f3cd2)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests readlock
[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 0.01s
[INFO] [stdout] 
[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" "2e4b7927bbe7dc7e56fb52ba1e02082956bb4ecb72a14c9e92fc87c4a00b63c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4b7927bbe7dc7e56fb52ba1e02082956bb4ecb72a14c9e92fc87c4a00b63c9", kill_on_drop: false }`
[INFO] [stdout] 2e4b7927bbe7dc7e56fb52ba1e02082956bb4ecb72a14c9e92fc87c4a00b63c9