[INFO] fetching crate lexer 0.1.18...
[INFO] testing lexer-0.1.18 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lexer 0.1.18 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lexer 0.1.18 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lexer 0.1.18
[INFO] finished tweaking crates.io crate lexer 0.1.18
[INFO] tweaked toml for crates.io crate lexer 0.1.18 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peek-nth v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb8de25806c06a4daf34d1e0ca8ec3d3e5268b3071c6c025fce645ce8049722c
[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" "cb8de25806c06a4daf34d1e0ca8ec3d3e5268b3071c6c025fce645ce8049722c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8de25806c06a4daf34d1e0ca8ec3d3e5268b3071c6c025fce645ce8049722c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8de25806c06a4daf34d1e0ca8ec3d3e5268b3071c6c025fce645ce8049722c", kill_on_drop: false }`
[INFO] [stdout] cb8de25806c06a4daf34d1e0ca8ec3d3e5268b3071c6c025fce645ce8049722c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afc64f3c008513b221d9a348e0a855216cb670ae1b483c8c626aaf9037db4a73
[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" "afc64f3c008513b221d9a348e0a855216cb670ae1b483c8c626aaf9037db4a73", kill_on_drop: false }`
[INFO] [stderr]    Compiling peek-nth v0.2.0
[INFO] [stderr]    Compiling lexer v0.1.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "afc64f3c008513b221d9a348e0a855216cb670ae1b483c8c626aaf9037db4a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc64f3c008513b221d9a348e0a855216cb670ae1b483c8c626aaf9037db4a73", kill_on_drop: false }`
[INFO] [stdout] afc64f3c008513b221d9a348e0a855216cb670ae1b483c8c626aaf9037db4a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea561a59ced2c2f8b58ac8f2fc6ef41cc32647eb6e7a73e277c89db9a0ab4e65
[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" "ea561a59ced2c2f8b58ac8f2fc6ef41cc32647eb6e7a73e277c89db9a0ab4e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexer v0.1.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ea561a59ced2c2f8b58ac8f2fc6ef41cc32647eb6e7a73e277c89db9a0ab4e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea561a59ced2c2f8b58ac8f2fc6ef41cc32647eb6e7a73e277c89db9a0ab4e65", kill_on_drop: false }`
[INFO] [stdout] ea561a59ced2c2f8b58ac8f2fc6ef41cc32647eb6e7a73e277c89db9a0ab4e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8be1f7cd3d40a00e26799ab983e8d7f7d24539a85125c6f62e209404def6847
[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" "b8be1f7cd3d40a00e26799ab983e8d7f7d24539a85125c6f62e209404def6847", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lexer-aac1dac6c9ee1b31)
[INFO] [stdout] running 1 test
[INFO] [stdout] test lines::test::test_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lexer
[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" "b8be1f7cd3d40a00e26799ab983e8d7f7d24539a85125c6f62e209404def6847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8be1f7cd3d40a00e26799ab983e8d7f7d24539a85125c6f62e209404def6847", kill_on_drop: false }`
[INFO] [stdout] b8be1f7cd3d40a00e26799ab983e8d7f7d24539a85125c6f62e209404def6847