[INFO] fetching crate io-arrays 0.6.0...
[INFO] testing io-arrays-0.6.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate io-arrays 0.6.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate io-arrays 0.6.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-arrays 0.6.0
[INFO] finished tweaking crates.io crate io-arrays 0.6.0
[INFO] tweaked toml for crates.io crate io-arrays 0.6.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate io-arrays 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cstr v0.2.9
[INFO] [stderr]   Downloaded cap-async-std v0.21.1
[INFO] [stderr]   Downloaded io-streams v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0d9449ac19301570c368930dc7cf278da857e7332141a71ad9988b85f9eb607
[INFO] running `Command { std: "docker" "start" "-a" "d0d9449ac19301570c368930dc7cf278da857e7332141a71ad9988b85f9eb607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0d9449ac19301570c368930dc7cf278da857e7332141a71ad9988b85f9eb607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d9449ac19301570c368930dc7cf278da857e7332141a71ad9988b85f9eb607", kill_on_drop: false }`
[INFO] [stdout] d0d9449ac19301570c368930dc7cf278da857e7332141a71ad9988b85f9eb607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9264a5d04d2cdb7197e58597d6abf6e74e5694ed4eb73d8fa7358b10a3b14766
[INFO] running `Command { std: "docker" "start" "-a" "9264a5d04d2cdb7197e58597d6abf6e74e5694ed4eb73d8fa7358b10a3b14766", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.0.36
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ambient-authority v0.0.1
[INFO] [stderr]    Compiling duplex v0.8.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling cstr v0.2.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling io-lifetimes v0.3.3
[INFO] [stderr]    Compiling rustix v0.26.2
[INFO] [stderr]    Compiling io-extras v0.11.2
[INFO] [stderr]    Compiling cap-primitives v0.21.1
[INFO] [stderr]    Compiling socketpair v0.11.1
[INFO] [stderr]    Compiling system-interface v0.16.0
[INFO] [stderr]    Compiling cap-std v0.21.1
[INFO] [stderr]    Compiling cap-fs-ext v0.21.1
[INFO] [stderr]    Compiling io-streams v0.8.0
[INFO] [stderr]    Compiling io-arrays v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling fs-set-times v0.13.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "9264a5d04d2cdb7197e58597d6abf6e74e5694ed4eb73d8fa7358b10a3b14766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9264a5d04d2cdb7197e58597d6abf6e74e5694ed4eb73d8fa7358b10a3b14766", kill_on_drop: false }`
[INFO] [stdout] 9264a5d04d2cdb7197e58597d6abf6e74e5694ed4eb73d8fa7358b10a3b14766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b1765e0cd685ca49d164c80b6cdbeca212c06a0e6f8fd4fd89d814f52fff0d
[INFO] running `Command { std: "docker" "start" "-a" "f4b1765e0cd685ca49d164c80b6cdbeca212c06a0e6f8fd4fd89d814f52fff0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling cap-tempfile v0.21.1
[INFO] [stderr]    Compiling io-arrays v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "f4b1765e0cd685ca49d164c80b6cdbeca212c06a0e6f8fd4fd89d814f52fff0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b1765e0cd685ca49d164c80b6cdbeca212c06a0e6f8fd4fd89d814f52fff0d", kill_on_drop: false }`
[INFO] [stdout] f4b1765e0cd685ca49d164c80b6cdbeca212c06a0e6f8fd4fd89d814f52fff0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22f222a58bee1ae34187043003c91de63a91f3fb16360305d0e23f014139cf7c
[INFO] running `Command { std: "docker" "start" "-a" "22f222a58bee1ae34187043003c91de63a91f3fb16360305d0e23f014139cf7c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_arrays-dc0f90c82f97db83)
[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-98e6121442255aa2)
[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_streaming_read ... ok
[INFO] [stdout] test test_small_copy ... ok
[INFO] [stdout] test test_write_nothing_past_end ... ok
[INFO] [stdout] test test_various_edits ... ok
[INFO] [stdout] test test_write_past_end ... 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" "22f222a58bee1ae34187043003c91de63a91f3fb16360305d0e23f014139cf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f222a58bee1ae34187043003c91de63a91f3fb16360305d0e23f014139cf7c", kill_on_drop: false }`
[INFO] [stdout] 22f222a58bee1ae34187043003c91de63a91f3fb16360305d0e23f014139cf7c