[INFO] fetching crate lexer 0.1.16...
[INFO] testing lexer-0.1.16 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lexer 0.1.16 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate lexer 0.1.16 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lexer 0.1.16
[INFO] finished tweaking crates.io crate lexer 0.1.16
[INFO] tweaked toml for crates.io crate lexer 0.1.16 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate lexer 0.1.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded smallvec v0.6.1
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded peek-nth v0.2.0
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ced4dbe519d1e90b5ec99d03225bd4e09f3aa25a8ad6b2a649c0fdcc614f9d66
[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" "ced4dbe519d1e90b5ec99d03225bd4e09f3aa25a8ad6b2a649c0fdcc614f9d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced4dbe519d1e90b5ec99d03225bd4e09f3aa25a8ad6b2a649c0fdcc614f9d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced4dbe519d1e90b5ec99d03225bd4e09f3aa25a8ad6b2a649c0fdcc614f9d66", kill_on_drop: false }`
[INFO] [stdout] ced4dbe519d1e90b5ec99d03225bd4e09f3aa25a8ad6b2a649c0fdcc614f9d66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] fbda1d620db219c053f9dc18dfc02798bf83b77960866a42de37370f61cc60d2
[INFO] running `Command { std: "docker" "start" "-a" "fbda1d620db219c053f9dc18dfc02798bf83b77960866a42de37370f61cc60d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling peek-nth v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling lexer v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.67s
[INFO] running `Command { std: "docker" "inspect" "fbda1d620db219c053f9dc18dfc02798bf83b77960866a42de37370f61cc60d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbda1d620db219c053f9dc18dfc02798bf83b77960866a42de37370f61cc60d2", kill_on_drop: false }`
[INFO] [stdout] fbda1d620db219c053f9dc18dfc02798bf83b77960866a42de37370f61cc60d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 718cacc8f29f907962f675cdbca84f907ee60ebdd6345c4dd95a6085efe3af30
[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" "718cacc8f29f907962f675cdbca84f907ee60ebdd6345c4dd95a6085efe3af30", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexer v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "718cacc8f29f907962f675cdbca84f907ee60ebdd6345c4dd95a6085efe3af30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718cacc8f29f907962f675cdbca84f907ee60ebdd6345c4dd95a6085efe3af30", kill_on_drop: false }`
[INFO] [stdout] 718cacc8f29f907962f675cdbca84f907ee60ebdd6345c4dd95a6085efe3af30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51760b043380260f65971eaf6a93fae74b2125c916f82c70150112887f9ad7b3
[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" "51760b043380260f65971eaf6a93fae74b2125c916f82c70150112887f9ad7b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lexer-afb3fbc61a2843b9
[INFO] [stdout] 
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-ffea104e42726067
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_lexer_newlines ... ok
[INFO] [stdout] test test_lexer_identifier ... ok
[INFO] [stdout] test test_lexer_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "51760b043380260f65971eaf6a93fae74b2125c916f82c70150112887f9ad7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51760b043380260f65971eaf6a93fae74b2125c916f82c70150112887f9ad7b3", kill_on_drop: false }`
[INFO] [stdout] 51760b043380260f65971eaf6a93fae74b2125c916f82c70150112887f9ad7b3