[INFO] fetching crate monkey 0.1.0...
[INFO] testing monkey-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate monkey 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate monkey 0.1.0 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 monkey 0.1.0
[INFO] finished tweaking crates.io crate monkey 0.1.0
[INFO] tweaked toml for crates.io crate monkey 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b22e59f206e4316c0bc2643dd4c13cb908258f805d5631b5075cb31e3bb710
[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" "a3b22e59f206e4316c0bc2643dd4c13cb908258f805d5631b5075cb31e3bb710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b22e59f206e4316c0bc2643dd4c13cb908258f805d5631b5075cb31e3bb710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b22e59f206e4316c0bc2643dd4c13cb908258f805d5631b5075cb31e3bb710", kill_on_drop: false }`
[INFO] [stdout] a3b22e59f206e4316c0bc2643dd4c13cb908258f805d5631b5075cb31e3bb710
[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=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] da72e0c34c455239fbe1ccff3e607fb07e0ecca8d0e3b90687826b30c56b8710
[INFO] running `Command { std: "docker" "start" "-a" "da72e0c34c455239fbe1ccff3e607fb07e0ecca8d0e3b90687826b30c56b8710", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "da72e0c34c455239fbe1ccff3e607fb07e0ecca8d0e3b90687826b30c56b8710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da72e0c34c455239fbe1ccff3e607fb07e0ecca8d0e3b90687826b30c56b8710", kill_on_drop: false }`
[INFO] [stdout] da72e0c34c455239fbe1ccff3e607fb07e0ecca8d0e3b90687826b30c56b8710
[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=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] bd96031e1fded95b2919190ef545497585bba002966f7dc85e28d3a38484168f
[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" "bd96031e1fded95b2919190ef545497585bba002966f7dc85e28d3a38484168f", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "bd96031e1fded95b2919190ef545497585bba002966f7dc85e28d3a38484168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd96031e1fded95b2919190ef545497585bba002966f7dc85e28d3a38484168f", kill_on_drop: false }`
[INFO] [stdout] bd96031e1fded95b2919190ef545497585bba002966f7dc85e28d3a38484168f
[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=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] 3b896499c6dbba86a1f3c077c931da2d1251c28ea2bb9a144003153f5abbc73d
[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" "3b896499c6dbba86a1f3c077c931da2d1251c28ea2bb9a144003153f5abbc73d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey-da6cd5e54aa8a797
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lexer::tests::test_next_token_symbols ... ok
[INFO] [stdout] test lexer::tests::test_next_token_simple ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test lexer::tests::test_next_token_identifier ... ok
[INFO] [stdout] test lexer::tests::test_next_token_keyword ... ok
[INFO] [stdout] test lexer::tests::test_next_token_extended ... ok
[INFO] [stdout] test lexer::tests::test_next_token_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monkey
[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" "3b896499c6dbba86a1f3c077c931da2d1251c28ea2bb9a144003153f5abbc73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b896499c6dbba86a1f3c077c931da2d1251c28ea2bb9a144003153f5abbc73d", kill_on_drop: false }`
[INFO] [stdout] 3b896499c6dbba86a1f3c077c931da2d1251c28ea2bb9a144003153f5abbc73d