[INFO] fetching crate linereader 0.4.0...
[INFO] testing linereader-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate linereader 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate linereader 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linereader 0.4.0
[INFO] finished tweaking crates.io crate linereader 0.4.0
[INFO] tweaked toml for crates.io crate linereader 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate linereader 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a0a74ef0304b6438dba39adfa8c7db6ffee6cc8461db9aaf9727c47d981fe98
[INFO] running `Command { std: "docker" "start" "-a" "0a0a74ef0304b6438dba39adfa8c7db6ffee6cc8461db9aaf9727c47d981fe98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a0a74ef0304b6438dba39adfa8c7db6ffee6cc8461db9aaf9727c47d981fe98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0a74ef0304b6438dba39adfa8c7db6ffee6cc8461db9aaf9727c47d981fe98", kill_on_drop: false }`
[INFO] [stdout] 0a0a74ef0304b6438dba39adfa8c7db6ffee6cc8461db9aaf9727c47d981fe98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b999ca2847751ba633597c38002caa4db40afbcce30ecd9caf5272259784d6fa
[INFO] running `Command { std: "docker" "start" "-a" "b999ca2847751ba633597c38002caa4db40afbcce30ecd9caf5272259784d6fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling linereader v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "b999ca2847751ba633597c38002caa4db40afbcce30ecd9caf5272259784d6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b999ca2847751ba633597c38002caa4db40afbcce30ecd9caf5272259784d6fa", kill_on_drop: false }`
[INFO] [stdout] b999ca2847751ba633597c38002caa4db40afbcce30ecd9caf5272259784d6fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73518d997bd5df08d40a9e9b46d1885785ecbcbcc1ea6ddcba220579bacac5da
[INFO] running `Command { std: "docker" "start" "-a" "73518d997bd5df08d40a9e9b46d1885785ecbcbcc1ea6ddcba220579bacac5da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling linereader v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "73518d997bd5df08d40a9e9b46d1885785ecbcbcc1ea6ddcba220579bacac5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73518d997bd5df08d40a9e9b46d1885785ecbcbcc1ea6ddcba220579bacac5da", kill_on_drop: false }`
[INFO] [stdout] 73518d997bd5df08d40a9e9b46d1885785ecbcbcc1ea6ddcba220579bacac5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae256031c18aba01e22bbac3a308890e24eb8d8a8c1ba0a9a9e93995cb8f612f
[INFO] running `Command { std: "docker" "start" "-a" "ae256031c18aba01e22bbac3a308890e24eb8d8a8c1ba0a9a9e93995cb8f612f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linereader-30047c9e6e729b02)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_next_batch ... ok
[INFO] [stdout] test tests::test_next_line ... ok
[INFO] [stdout] test tests::test_for_each ... ok
[INFO] [stderr]    Doc-tests linereader
[INFO] [stdout] test tests::test_next_line_randomly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - LineReader<R>::next_line (line 160) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::next_batch (line 204) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::new (line 55) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_capacity (line 71) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::for_each (line 127) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_delimiter (line 87) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_delimiter_and_capacity (line 103) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae256031c18aba01e22bbac3a308890e24eb8d8a8c1ba0a9a9e93995cb8f612f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae256031c18aba01e22bbac3a308890e24eb8d8a8c1ba0a9a9e93995cb8f612f", kill_on_drop: false }`
[INFO] [stdout] ae256031c18aba01e22bbac3a308890e24eb8d8a8c1ba0a9a9e93995cb8f612f