[INFO] fetching crate lines_writer 0.1.1...
[INFO] testing lines_writer-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lines_writer 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lines_writer 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lines_writer 0.1.1
[INFO] finished tweaking crates.io crate lines_writer 0.1.1
[INFO] tweaked toml for crates.io crate lines_writer 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2c7a20ecb36bc2b852f0a94e6a17f352b2d3392840a2b144c75b27413f7a25b
[INFO] running `Command { std: "docker" "start" "-a" "d2c7a20ecb36bc2b852f0a94e6a17f352b2d3392840a2b144c75b27413f7a25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2c7a20ecb36bc2b852f0a94e6a17f352b2d3392840a2b144c75b27413f7a25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c7a20ecb36bc2b852f0a94e6a17f352b2d3392840a2b144c75b27413f7a25b", kill_on_drop: false }`
[INFO] [stdout] d2c7a20ecb36bc2b852f0a94e6a17f352b2d3392840a2b144c75b27413f7a25b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 024b9b304078b7040b15b823a333ab81807a2cc255eed7c09fd70d804c84536c
[INFO] running `Command { std: "docker" "start" "-a" "024b9b304078b7040b15b823a333ab81807a2cc255eed7c09fd70d804c84536c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lines_writer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "024b9b304078b7040b15b823a333ab81807a2cc255eed7c09fd70d804c84536c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024b9b304078b7040b15b823a333ab81807a2cc255eed7c09fd70d804c84536c", kill_on_drop: false }`
[INFO] [stdout] 024b9b304078b7040b15b823a333ab81807a2cc255eed7c09fd70d804c84536c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93731b48a6db9268e0b6da1e2cc949617eb1aea2bbccfdcf6a5c4bd8665e1d78
[INFO] running `Command { std: "docker" "start" "-a" "93731b48a6db9268e0b6da1e2cc949617eb1aea2bbccfdcf6a5c4bd8665e1d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling lines_writer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/lines_writer-0d9111ebc1af0324)
[INFO] running `Command { std: "docker" "inspect" "93731b48a6db9268e0b6da1e2cc949617eb1aea2bbccfdcf6a5c4bd8665e1d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93731b48a6db9268e0b6da1e2cc949617eb1aea2bbccfdcf6a5c4bd8665e1d78", kill_on_drop: false }`
[INFO] [stdout] 93731b48a6db9268e0b6da1e2cc949617eb1aea2bbccfdcf6a5c4bd8665e1d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1d05a3f0168fe98062f7bd5a8f346bce71a5adf4ef807148dd9dfdfe7bcca78
[INFO] running `Command { std: "docker" "start" "-a" "d1d05a3f0168fe98062f7bd5a8f346bce71a5adf4ef807148dd9dfdfe7bcca78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lines_writer-0d9111ebc1af0324)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] This is
[INFO] [stdout] a string
[INFO] [stdout] to test
[INFO] [stdout] the trait implementation
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lines_writer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1d05a3f0168fe98062f7bd5a8f346bce71a5adf4ef807148dd9dfdfe7bcca78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d05a3f0168fe98062f7bd5a8f346bce71a5adf4ef807148dd9dfdfe7bcca78", kill_on_drop: false }`
[INFO] [stdout] d1d05a3f0168fe98062f7bd5a8f346bce71a5adf4ef807148dd9dfdfe7bcca78