[INFO] fetching crate io-test-util 0.1.0...
[INFO] testing io-test-util-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate io-test-util 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate io-test-util 0.1.0
[INFO] finished tweaking crates.io crate io-test-util 0.1.0
[INFO] tweaked toml for crates.io crate io-test-util 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-test-util 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ba2123f85df31971959a961f00b065429b7f4235ac71f1fe82eae23d420892fb
[INFO] running `Command { std: "docker" "start" "-a" "ba2123f85df31971959a961f00b065429b7f4235ac71f1fe82eae23d420892fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2123f85df31971959a961f00b065429b7f4235ac71f1fe82eae23d420892fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2123f85df31971959a961f00b065429b7f4235ac71f1fe82eae23d420892fb", kill_on_drop: false }`
[INFO] [stdout] ba2123f85df31971959a961f00b065429b7f4235ac71f1fe82eae23d420892fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] de37d70b822734c6c3bfbdef34e4dcf75d1ba769912a47993cb98319029ea73d
[INFO] running `Command { std: "docker" "start" "-a" "de37d70b822734c6c3bfbdef34e4dcf75d1ba769912a47993cb98319029ea73d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling io-test-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "de37d70b822734c6c3bfbdef34e4dcf75d1ba769912a47993cb98319029ea73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de37d70b822734c6c3bfbdef34e4dcf75d1ba769912a47993cb98319029ea73d", kill_on_drop: false }`
[INFO] [stdout] de37d70b822734c6c3bfbdef34e4dcf75d1ba769912a47993cb98319029ea73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 81cdf6bbc573daaffd2d7d302f01daae37bd8ea5e915bc92a9ea4da39fa0bc30
[INFO] running `Command { std: "docker" "start" "-a" "81cdf6bbc573daaffd2d7d302f01daae37bd8ea5e915bc92a9ea4da39fa0bc30", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling io-test-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "81cdf6bbc573daaffd2d7d302f01daae37bd8ea5e915bc92a9ea4da39fa0bc30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81cdf6bbc573daaffd2d7d302f01daae37bd8ea5e915bc92a9ea4da39fa0bc30", kill_on_drop: false }`
[INFO] [stdout] 81cdf6bbc573daaffd2d7d302f01daae37bd8ea5e915bc92a9ea4da39fa0bc30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c0006dc68e572c8c5cefb1dc77bd05e73313262b0742be22256cd9162834a7ef
[INFO] running `Command { std: "docker" "start" "-a" "c0006dc68e572c8c5cefb1dc77bd05e73313262b0742be22256cd9162834a7ef", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_test_util-8ab24d7c64eafadd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error_reader::test::should_throw_correct_error ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_test_util
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0006dc68e572c8c5cefb1dc77bd05e73313262b0742be22256cd9162834a7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0006dc68e572c8c5cefb1dc77bd05e73313262b0742be22256cd9162834a7ef", kill_on_drop: false }`
[INFO] [stdout] c0006dc68e572c8c5cefb1dc77bd05e73313262b0742be22256cd9162834a7ef