[INFO] cloning repository https://github.com/gregfolker/grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregfolker/grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Fgrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Fgrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ce3b6ce9957c9fc03094799f7fb0ed4235c9082
[INFO] testing gregfolker/grep against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Fgrep" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregfolker/grep on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregfolker/grep
[INFO] finished tweaking git repo https://github.com/gregfolker/grep
[INFO] tweaked toml for git repo https://github.com/gregfolker/grep written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/gregfolker/grep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b0ce5dc2e4c8ec5ff6f102ec1a50f33f23decf724268ac8e4f83280e3885e59
[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" "7b0ce5dc2e4c8ec5ff6f102ec1a50f33f23decf724268ac8e4f83280e3885e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0ce5dc2e4c8ec5ff6f102ec1a50f33f23decf724268ac8e4f83280e3885e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0ce5dc2e4c8ec5ff6f102ec1a50f33f23decf724268ac8e4f83280e3885e59", kill_on_drop: false }`
[INFO] [stdout] 7b0ce5dc2e4c8ec5ff6f102ec1a50f33f23decf724268ac8e4f83280e3885e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b268478ac2f9ff4db08db315e376fdd392f40cc0ba65f409aa7860e0091e49
[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" "36b268478ac2f9ff4db08db315e376fdd392f40cc0ba65f409aa7860e0091e49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/lib.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |           let contents = "\
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 91 | |
[INFO] [stdout] 92 | | Rust:
[INFO] [stdout]    | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |           let contents = "\
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 103 | |
[INFO] [stdout] 104 | | Rust:
[INFO] [stdout]     | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "36b268478ac2f9ff4db08db315e376fdd392f40cc0ba65f409aa7860e0091e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b268478ac2f9ff4db08db315e376fdd392f40cc0ba65f409aa7860e0091e49", kill_on_drop: false }`
[INFO] [stdout] 36b268478ac2f9ff4db08db315e376fdd392f40cc0ba65f409aa7860e0091e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] d4988611dd02e65f6147bfd59d4b4d7f49cb2d49c9cba01a2c6589735e87e8c3
[INFO] running `Command { std: "docker" "start" "-a" "d4988611dd02e65f6147bfd59d4b4d7f49cb2d49c9cba01a2c6589735e87e8c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/lib.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |           let contents = "\
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 91 | |
[INFO] [stdout] 92 | | Rust:
[INFO] [stdout]    | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |           let contents = "\
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 103 | |
[INFO] [stdout] 104 | | Rust:
[INFO] [stdout]     | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/lib.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |           let contents = "\
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 91 | |
[INFO] [stdout] 92 | | Rust:
[INFO] [stdout]    | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 |           let contents = "\
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 103 | |
[INFO] [stdout] 104 | | Rust:
[INFO] [stdout]     | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d4988611dd02e65f6147bfd59d4b4d7f49cb2d49c9cba01a2c6589735e87e8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4988611dd02e65f6147bfd59d4b4d7f49cb2d49c9cba01a2c6589735e87e8c3", kill_on_drop: false }`
[INFO] [stdout] d4988611dd02e65f6147bfd59d4b4d7f49cb2d49c9cba01a2c6589735e87e8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13c1da678407128297f664011ff17dd37c5f415b130b965797ed94b090e1ab08
[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" "13c1da678407128297f664011ff17dd37c5f415b130b965797ed94b090e1ab08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]   --> src/lib.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |           let contents = "\
[INFO] [stderr]    |  _________________________^
[INFO] [stderr] 91 | |
[INFO] [stderr] 92 | | Rust:
[INFO] [stderr]    | |_ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> src/lib.rs:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 |           let contents = "\
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 103 | |
[INFO] [stderr] 104 | | Rust:
[INFO] [stderr]     | |_ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: `grep` (lib) generated 2 warnings
[INFO] [stderr] warning: `grep` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grep-10d4a87bed77101a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grep-7a00dce2744b5c42)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests grep
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] warning: multiple lines skipped by escaped newline
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |           let contents = "\
[INFO] [stderr]    |  _________________________^
[INFO] [stderr] 91 | |
[INFO] [stderr] 92 | | Rust:
[INFO] [stderr]    | |_ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:102:25
[INFO] [stderr]     |
[INFO] [stderr] 102 |           let contents = "\
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 103 | |
[INFO] [stderr] 104 | | Rust:
[INFO] [stderr]     | |_ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "13c1da678407128297f664011ff17dd37c5f415b130b965797ed94b090e1ab08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c1da678407128297f664011ff17dd37c5f415b130b965797ed94b090e1ab08", kill_on_drop: false }`
[INFO] [stdout] 13c1da678407128297f664011ff17dd37c5f415b130b965797ed94b090e1ab08