[INFO] fetching crate linereader 0.4.0...
[INFO] testing linereader-0.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate linereader 0.4.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate linereader 0.4.0 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 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-96/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" "+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 c2-chacha v0.2.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded getrandom v0.1.12
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] f20a0e64ee030f4cd0e9b80476f1e2f3a949f4ffdb7cd5107d3f17aaea57feea
[INFO] running `Command { std: "docker" "start" "-a" "f20a0e64ee030f4cd0e9b80476f1e2f3a949f4ffdb7cd5107d3f17aaea57feea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20a0e64ee030f4cd0e9b80476f1e2f3a949f4ffdb7cd5107d3f17aaea57feea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20a0e64ee030f4cd0e9b80476f1e2f3a949f4ffdb7cd5107d3f17aaea57feea", kill_on_drop: false }`
[INFO] [stdout] f20a0e64ee030f4cd0e9b80476f1e2f3a949f4ffdb7cd5107d3f17aaea57feea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] a4c3c54ef932295d0b9a084366d03d58f1545ab4751f638c93966aa6fe7ad938
[INFO] running `Command { std: "docker" "start" "-a" "a4c3c54ef932295d0b9a084366d03d58f1545ab4751f638c93966aa6fe7ad938", kill_on_drop: false }`
[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 2.81s
[INFO] running `Command { std: "docker" "inspect" "a4c3c54ef932295d0b9a084366d03d58f1545ab4751f638c93966aa6fe7ad938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c3c54ef932295d0b9a084366d03d58f1545ab4751f638c93966aa6fe7ad938", kill_on_drop: false }`
[INFO] [stdout] a4c3c54ef932295d0b9a084366d03d58f1545ab4751f638c93966aa6fe7ad938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 3ca78c101025666c68628c45068796cae7238beac05c9abb174065bc05b3391e
[INFO] running `Command { std: "docker" "start" "-a" "3ca78c101025666c68628c45068796cae7238beac05c9abb174065bc05b3391e", 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 lazy_static v1.4.0
[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 4.88s
[INFO] running `Command { std: "docker" "inspect" "3ca78c101025666c68628c45068796cae7238beac05c9abb174065bc05b3391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca78c101025666c68628c45068796cae7238beac05c9abb174065bc05b3391e", kill_on_drop: false }`
[INFO] [stdout] 3ca78c101025666c68628c45068796cae7238beac05c9abb174065bc05b3391e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] a90da7202f76b525a208a09cfdeca41c94801ca01f0763367b748c2cf4810182
[INFO] running `Command { std: "docker" "start" "-a" "a90da7202f76b525a208a09cfdeca41c94801ca01f0763367b748c2cf4810182", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linereader-30047c9e6e729b02)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_for_each ... ok
[INFO] [stdout] test tests::test_next_batch ... ok
[INFO] [stdout] test tests::test_next_line ... 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 1.90s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_delimiter_and_capacity (line 103) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_capacity (line 71) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::next_line (line 160) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::new (line 55) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::for_each (line 127) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::next_batch (line 204) - compile ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_delimiter (line 87) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a90da7202f76b525a208a09cfdeca41c94801ca01f0763367b748c2cf4810182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90da7202f76b525a208a09cfdeca41c94801ca01f0763367b748c2cf4810182", kill_on_drop: false }`
[INFO] [stdout] a90da7202f76b525a208a09cfdeca41c94801ca01f0763367b748c2cf4810182