[INFO] fetching crate linereader 0.4.0...
[INFO] testing linereader-0.4.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate linereader 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate linereader 0.4.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1820f518b6ef40d43789821579c0e49d7a72fa5770bff38fc8d0c356bfc0cb14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1820f518b6ef40d43789821579c0e49d7a72fa5770bff38fc8d0c356bfc0cb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1820f518b6ef40d43789821579c0e49d7a72fa5770bff38fc8d0c356bfc0cb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1820f518b6ef40d43789821579c0e49d7a72fa5770bff38fc8d0c356bfc0cb14", kill_on_drop: false }`
[INFO] [stdout] 1820f518b6ef40d43789821579c0e49d7a72fa5770bff38fc8d0c356bfc0cb14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d185d718ff21901a0eb0a53ba6ee7e844d672c95cb290869fb059154309598
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6d185d718ff21901a0eb0a53ba6ee7e844d672c95cb290869fb059154309598", 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 3.03s
[INFO] running `Command { std: "docker" "inspect" "e6d185d718ff21901a0eb0a53ba6ee7e844d672c95cb290869fb059154309598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d185d718ff21901a0eb0a53ba6ee7e844d672c95cb290869fb059154309598", kill_on_drop: false }`
[INFO] [stdout] e6d185d718ff21901a0eb0a53ba6ee7e844d672c95cb290869fb059154309598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41d7333df7e6f6ce2553e1096b0de73216ba064d881d736040f5b80e15a2fd4e
[INFO] running `Command { std: "docker" "start" "-a" "41d7333df7e6f6ce2553e1096b0de73216ba064d881d736040f5b80e15a2fd4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[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 10.84s
[INFO] running `Command { std: "docker" "inspect" "41d7333df7e6f6ce2553e1096b0de73216ba064d881d736040f5b80e15a2fd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d7333df7e6f6ce2553e1096b0de73216ba064d881d736040f5b80e15a2fd4e", kill_on_drop: false }`
[INFO] [stdout] 41d7333df7e6f6ce2553e1096b0de73216ba064d881d736040f5b80e15a2fd4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cb3a046e2982004a3083ed020fb39ac776816698378447893d65d1512860b11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2cb3a046e2982004a3083ed020fb39ac776816698378447893d65d1512860b11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linereader-c138cbca41e1aaa2
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_next_line ... ok
[INFO] [stdout] test tests::test_next_batch ... 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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - LineReader<R>::next_batch (line 204) ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::next_line (line 160) ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::new (line 55) ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_delimiter (line 87) ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::for_each (line 127) ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_delimiter_and_capacity (line 103) ... ok
[INFO] [stdout] test src/lib.rs - LineReader<R>::with_capacity (line 71) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cb3a046e2982004a3083ed020fb39ac776816698378447893d65d1512860b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb3a046e2982004a3083ed020fb39ac776816698378447893d65d1512860b11", kill_on_drop: false }`
[INFO] [stdout] 2cb3a046e2982004a3083ed020fb39ac776816698378447893d65d1512860b11