[INFO] fetching crate io-truncate 0.1.0...
[INFO] testing io-truncate-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate io-truncate 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate io-truncate 0.1.0
[INFO] finished tweaking crates.io crate io-truncate 0.1.0
[INFO] tweaked toml for crates.io crate io-truncate 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-truncate 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]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[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] 1d6ad0825c3c5c2cfae25fb7aa24b8efe083a58102ee102771d626adab6058f6
[INFO] running `Command { std: "docker" "start" "-a" "1d6ad0825c3c5c2cfae25fb7aa24b8efe083a58102ee102771d626adab6058f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6ad0825c3c5c2cfae25fb7aa24b8efe083a58102ee102771d626adab6058f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6ad0825c3c5c2cfae25fb7aa24b8efe083a58102ee102771d626adab6058f6", kill_on_drop: false }`
[INFO] [stdout] 1d6ad0825c3c5c2cfae25fb7aa24b8efe083a58102ee102771d626adab6058f6
[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] 990012413b7360f2cb1ecde13279ef6bc2cda6045fc7533f62329664aa7595ef
[INFO] running `Command { std: "docker" "start" "-a" "990012413b7360f2cb1ecde13279ef6bc2cda6045fc7533f62329664aa7595ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-truncate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "990012413b7360f2cb1ecde13279ef6bc2cda6045fc7533f62329664aa7595ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990012413b7360f2cb1ecde13279ef6bc2cda6045fc7533f62329664aa7595ef", kill_on_drop: false }`
[INFO] [stdout] 990012413b7360f2cb1ecde13279ef6bc2cda6045fc7533f62329664aa7595ef
[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] 768b9df5c80f4a15199531157d386001d11ae0c6990677a42ec5c9998147c5a0
[INFO] running `Command { std: "docker" "start" "-a" "768b9df5c80f4a15199531157d386001d11ae0c6990677a42ec5c9998147c5a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling io-truncate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "768b9df5c80f4a15199531157d386001d11ae0c6990677a42ec5c9998147c5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768b9df5c80f4a15199531157d386001d11ae0c6990677a42ec5c9998147c5a0", kill_on_drop: false }`
[INFO] [stdout] 768b9df5c80f4a15199531157d386001d11ae0c6990677a42ec5c9998147c5a0
[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] 7324bf51c389203f4c961e4564af06b680e1f549055f39d00792d7dc0db61e6c
[INFO] running `Command { std: "docker" "start" "-a" "7324bf51c389203f4c961e4564af06b680e1f549055f39d00792d7dc0db61e6c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_truncate-804d82ccd39b036e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::cursor ... ok
[INFO] [stdout] test tests::slice ... ok
[INFO] [stdout] test tests::vec ... ok
[INFO] [stdout] test tests::file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_truncate
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Truncate::truncate (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7324bf51c389203f4c961e4564af06b680e1f549055f39d00792d7dc0db61e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7324bf51c389203f4c961e4564af06b680e1f549055f39d00792d7dc0db61e6c", kill_on_drop: false }`
[INFO] [stdout] 7324bf51c389203f4c961e4564af06b680e1f549055f39d00792d7dc0db61e6c