[INFO] fetching crate io-arrays 0.4.0...
[INFO] testing io-arrays-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate io-arrays 0.4.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate io-arrays 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-arrays 0.4.0
[INFO] finished tweaking crates.io crate io-arrays 0.4.0
[INFO] tweaked toml for crates.io crate io-arrays 0.4.0 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate crates.io crate io-arrays 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73de7c6bf5cef494f3bb76b8191a83d8fec7c30257aa545399cbe29e7fb023be
[INFO] running `Command { std: "docker" "start" "-a" "73de7c6bf5cef494f3bb76b8191a83d8fec7c30257aa545399cbe29e7fb023be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73de7c6bf5cef494f3bb76b8191a83d8fec7c30257aa545399cbe29e7fb023be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73de7c6bf5cef494f3bb76b8191a83d8fec7c30257aa545399cbe29e7fb023be", kill_on_drop: false }`
[INFO] [stdout] 73de7c6bf5cef494f3bb76b8191a83d8fec7c30257aa545399cbe29e7fb023be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5ce4f920f57d6e1c508241e606562f5c6179222d8932e605dc7a964cd4ccdef
[INFO] running `Command { std: "docker" "start" "-a" "b5ce4f920f57d6e1c508241e606562f5c6179222d8932e605dc7a964cd4ccdef", 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 semver v1.0.4
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling linux-raw-sys v0.0.19
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling ambient-authority v0.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling duplex v0.6.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling io-lifetimes v0.2.3
[INFO] [stderr]    Compiling rsix v0.18.0
[INFO] [stderr]    Compiling unsafe-io v0.8.2
[INFO] [stderr]    Compiling socketpair v0.9.1
[INFO] [stderr]    Compiling cap-primitives v0.17.0
[INFO] [stderr]    Compiling system-interface v0.11.0
[INFO] [stderr]    Compiling cap-std v0.17.0
[INFO] [stderr]    Compiling io-streams v0.6.0
[INFO] [stderr]    Compiling cap-fs-ext v0.17.0
[INFO] [stderr]    Compiling io-arrays v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cstr v0.2.8
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling fs-set-times v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "b5ce4f920f57d6e1c508241e606562f5c6179222d8932e605dc7a964cd4ccdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ce4f920f57d6e1c508241e606562f5c6179222d8932e605dc7a964cd4ccdef", kill_on_drop: false }`
[INFO] [stdout] b5ce4f920f57d6e1c508241e606562f5c6179222d8932e605dc7a964cd4ccdef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c07b84e8d9cbd1566954b5972df41df74a5310761c341a2b9bf6bb2a3f736be6
[INFO] running `Command { std: "docker" "start" "-a" "c07b84e8d9cbd1566954b5972df41df74a5310761c341a2b9bf6bb2a3f736be6", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling cap-tempfile v0.17.0
[INFO] [stderr]    Compiling io-arrays v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "c07b84e8d9cbd1566954b5972df41df74a5310761c341a2b9bf6bb2a3f736be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07b84e8d9cbd1566954b5972df41df74a5310761c341a2b9bf6bb2a3f736be6", kill_on_drop: false }`
[INFO] [stdout] c07b84e8d9cbd1566954b5972df41df74a5310761c341a2b9bf6bb2a3f736be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2961163edea1274e37f5c01417ee10780505b9c7dd6ae37e8a739b7b63b394d2
[INFO] running `Command { std: "docker" "start" "-a" "2961163edea1274e37f5c01417ee10780505b9c7dd6ae37e8a739b7b63b394d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_arrays-6085becea512b52d)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-09becbcc33145bcb)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_anonymous ... ok
[INFO] [stdout] test test_bytes ... ok
[INFO] [stdout] test test_read_past_end ... ok
[INFO] [stdout] test test_small_copy ... ok
[INFO] [stdout] test test_write_nothing_past_end ... ok
[INFO] [stdout] test test_write_past_end ... ok
[INFO] [stdout] test test_streaming_read ... ok
[INFO] [stdout] test test_various_edits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io-arrays
[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" "2961163edea1274e37f5c01417ee10780505b9c7dd6ae37e8a739b7b63b394d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2961163edea1274e37f5c01417ee10780505b9c7dd6ae37e8a739b7b63b394d2", kill_on_drop: false }`
[INFO] [stdout] 2961163edea1274e37f5c01417ee10780505b9c7dd6ae37e8a739b7b63b394d2