[INFO] fetching crate io-arrays 0.4.0...
[INFO] testing io-arrays-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate io-arrays 0.4.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate io-arrays 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-97/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cstr v0.2.8
[INFO] [stderr]   Downloaded io-streams v0.6.0
[INFO] [stderr]   Downloaded cap-async-std v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f06cbdd7dba71d422ff4a88c1efcdeae2d3ca163ece42d15d1a7467e8ac201fa
[INFO] running `Command { std: "docker" "start" "-a" "f06cbdd7dba71d422ff4a88c1efcdeae2d3ca163ece42d15d1a7467e8ac201fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f06cbdd7dba71d422ff4a88c1efcdeae2d3ca163ece42d15d1a7467e8ac201fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06cbdd7dba71d422ff4a88c1efcdeae2d3ca163ece42d15d1a7467e8ac201fa", kill_on_drop: false }`
[INFO] [stdout] f06cbdd7dba71d422ff4a88c1efcdeae2d3ca163ece42d15d1a7467e8ac201fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eef0144c2f8a5b6e4ae399189eac87370709254943cdcfa293f00e5be0f4189f
[INFO] running `Command { std: "docker" "start" "-a" "eef0144c2f8a5b6e4ae399189eac87370709254943cdcfa293f00e5be0f4189f", kill_on_drop: false }`
[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 once_cell v1.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.0.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling ambient-authority v0.0.1
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling duplex v0.6.0
[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 cap-primitives v0.17.0
[INFO] [stderr]    Compiling socketpair v0.9.1
[INFO] [stderr]    Compiling cap-std v0.17.0
[INFO] [stderr]    Compiling system-interface v0.11.0
[INFO] [stderr]    Compiling cap-fs-ext v0.17.0
[INFO] [stderr]    Compiling io-streams v0.6.0
[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 8.71s
[INFO] running `Command { std: "docker" "inspect" "eef0144c2f8a5b6e4ae399189eac87370709254943cdcfa293f00e5be0f4189f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef0144c2f8a5b6e4ae399189eac87370709254943cdcfa293f00e5be0f4189f", kill_on_drop: false }`
[INFO] [stdout] eef0144c2f8a5b6e4ae399189eac87370709254943cdcfa293f00e5be0f4189f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e09dc2df021f756b1398768f1877f5320fb01b90dc939f63b5ed4b67f78da6
[INFO] running `Command { std: "docker" "start" "-a" "d1e09dc2df021f756b1398768f1877f5320fb01b90dc939f63b5ed4b67f78da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.43
[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 3.29s
[INFO] running `Command { std: "docker" "inspect" "d1e09dc2df021f756b1398768f1877f5320fb01b90dc939f63b5ed4b67f78da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e09dc2df021f756b1398768f1877f5320fb01b90dc939f63b5ed4b67f78da6", kill_on_drop: false }`
[INFO] [stdout] d1e09dc2df021f756b1398768f1877f5320fb01b90dc939f63b5ed4b67f78da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d26ed78c1df35885e315b8c5eafc0648bf9c1dfa948aa8dca60e58411dd444a9
[INFO] running `Command { std: "docker" "start" "-a" "d26ed78c1df35885e315b8c5eafc0648bf9c1dfa948aa8dca60e58411dd444a9", 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-b337d1f64bb89579)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-3e41ecc6c13ce919)
[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 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_write_nothing_past_end ... ok
[INFO] [stdout] test test_write_past_end ... ok
[INFO] [stdout] test test_streaming_read ... ok
[INFO] [stdout] test test_small_copy ... 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 0.01s
[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" "d26ed78c1df35885e315b8c5eafc0648bf9c1dfa948aa8dca60e58411dd444a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26ed78c1df35885e315b8c5eafc0648bf9c1dfa948aa8dca60e58411dd444a9", kill_on_drop: false }`
[INFO] [stdout] d26ed78c1df35885e315b8c5eafc0648bf9c1dfa948aa8dca60e58411dd444a9