[INFO] fetching crate monkey-lexer 0.4.0...
[INFO] testing monkey-lexer-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate monkey-lexer 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate monkey-lexer 0.4.0 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-lexer 0.4.0
[INFO] finished tweaking crates.io crate monkey-lexer 0.4.0
[INFO] tweaked toml for crates.io crate monkey-lexer 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate monkey-lexer 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 598a1f6c559ca425768555af9850adb68ccad3d4a73726cb9def5ee3300a34ed
[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" "598a1f6c559ca425768555af9850adb68ccad3d4a73726cb9def5ee3300a34ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "598a1f6c559ca425768555af9850adb68ccad3d4a73726cb9def5ee3300a34ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598a1f6c559ca425768555af9850adb68ccad3d4a73726cb9def5ee3300a34ed", kill_on_drop: false }`
[INFO] [stdout] 598a1f6c559ca425768555af9850adb68ccad3d4a73726cb9def5ee3300a34ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 71da1e78f9d5b3a77eb714a3f5199e3236ad89cd099f8c6c767e3b079cbdfb8b
[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" "71da1e78f9d5b3a77eb714a3f5199e3236ad89cd099f8c6c767e3b079cbdfb8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling monkey-lexer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.68s
[INFO] running `Command { std: "docker" "inspect" "71da1e78f9d5b3a77eb714a3f5199e3236ad89cd099f8c6c767e3b079cbdfb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71da1e78f9d5b3a77eb714a3f5199e3236ad89cd099f8c6c767e3b079cbdfb8b", kill_on_drop: false }`
[INFO] [stdout] 71da1e78f9d5b3a77eb714a3f5199e3236ad89cd099f8c6c767e3b079cbdfb8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 67eb261c9a5d5024a719a117877781c756e3b6de7e6c2bdecd0fab07244135bf
[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" "67eb261c9a5d5024a719a117877781c756e3b6de7e6c2bdecd0fab07244135bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling insta v1.4.0
[INFO] [stderr]    Compiling monkey-lexer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "67eb261c9a5d5024a719a117877781c756e3b6de7e6c2bdecd0fab07244135bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67eb261c9a5d5024a719a117877781c756e3b6de7e6c2bdecd0fab07244135bf", kill_on_drop: false }`
[INFO] [stdout] 67eb261c9a5d5024a719a117877781c756e3b6de7e6c2bdecd0fab07244135bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1cb35086a11b349247d961a5ee25cb7f09a5c542a5db4563ce119264d70d5a6a
[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" "1cb35086a11b349247d961a5ee25cb7f09a5c542a5db4563ce119264d70d5a6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lexer-626f3536835ce4de
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_lexer_string ... ok
[INFO] [stdout] test tests::test_lexer_array ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey_lexer-e4ff7a87bfd5c697
[INFO] [stdout] test tests::test_lexer_let_with_space ... ok
[INFO] [stdout] test tests::test_lexer_complex ... ok
[INFO] [stdout] test tests::test_lexer_hash ... ok
[INFO] [stdout] test tests::test_lexer_simple ... ok
[INFO] [stdout] test tests::test_lexer_bool ... ok
[INFO] [stdout] test tests::test_lexer_let ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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] [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" "1cb35086a11b349247d961a5ee25cb7f09a5c542a5db4563ce119264d70d5a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb35086a11b349247d961a5ee25cb7f09a5c542a5db4563ce119264d70d5a6a", kill_on_drop: false }`
[INFO] [stdout] 1cb35086a11b349247d961a5ee25cb7f09a5c542a5db4563ce119264d70d5a6a