[INFO] fetching crate io-truncate 0.1.0...
[INFO] testing io-truncate-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate io-truncate 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate io-truncate 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b400ee0f26d6f9a82266d0bb6ac9cae94f484bfb4e1450d2f8d1d848c17b9e
[INFO] running `Command { std: "docker" "start" "-a" "74b400ee0f26d6f9a82266d0bb6ac9cae94f484bfb4e1450d2f8d1d848c17b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b400ee0f26d6f9a82266d0bb6ac9cae94f484bfb4e1450d2f8d1d848c17b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b400ee0f26d6f9a82266d0bb6ac9cae94f484bfb4e1450d2f8d1d848c17b9e", kill_on_drop: false }`
[INFO] [stdout] 74b400ee0f26d6f9a82266d0bb6ac9cae94f484bfb4e1450d2f8d1d848c17b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd9572efcd415d4da01a99ff1695e5f181738519e2f2356c1607e389afe38439
[INFO] running `Command { std: "docker" "start" "-a" "bd9572efcd415d4da01a99ff1695e5f181738519e2f2356c1607e389afe38439", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-truncate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "bd9572efcd415d4da01a99ff1695e5f181738519e2f2356c1607e389afe38439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9572efcd415d4da01a99ff1695e5f181738519e2f2356c1607e389afe38439", kill_on_drop: false }`
[INFO] [stdout] bd9572efcd415d4da01a99ff1695e5f181738519e2f2356c1607e389afe38439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a28025caf95a63d2079e2b83976b07de21ab5fe64932b9def4886642fe2866
[INFO] running `Command { std: "docker" "start" "-a" "90a28025caf95a63d2079e2b83976b07de21ab5fe64932b9def4886642fe2866", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling io-truncate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "90a28025caf95a63d2079e2b83976b07de21ab5fe64932b9def4886642fe2866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a28025caf95a63d2079e2b83976b07de21ab5fe64932b9def4886642fe2866", kill_on_drop: false }`
[INFO] [stdout] 90a28025caf95a63d2079e2b83976b07de21ab5fe64932b9def4886642fe2866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fca0e5e5bd4d841ba5486636ea12ee9c3d0910f6c0c29ebc357f484794552199
[INFO] running `Command { std: "docker" "start" "-a" "fca0e5e5bd4d841ba5486636ea12ee9c3d0910f6c0c29ebc357f484794552199", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_truncate-c2a9bde4629cd5f6)
[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 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fca0e5e5bd4d841ba5486636ea12ee9c3d0910f6c0c29ebc357f484794552199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca0e5e5bd4d841ba5486636ea12ee9c3d0910f6c0c29ebc357f484794552199", kill_on_drop: false }`
[INFO] [stdout] fca0e5e5bd4d841ba5486636ea12ee9c3d0910f6c0c29ebc357f484794552199