[INFO] fetching crate monkey-lexer 0.5.0...
[INFO] checking monkey-lexer-0.5.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate monkey-lexer 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate monkey-lexer 0.5.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monkey-lexer 0.5.0
[INFO] finished tweaking crates.io crate monkey-lexer 0.5.0
[INFO] tweaked toml for crates.io crate monkey-lexer 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate monkey-lexer 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8fd525cf2c4115d647295f560ee58d93c8f378d75e8ea12ce55cc7cdf3cc717
[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" "d8fd525cf2c4115d647295f560ee58d93c8f378d75e8ea12ce55cc7cdf3cc717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8fd525cf2c4115d647295f560ee58d93c8f378d75e8ea12ce55cc7cdf3cc717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fd525cf2c4115d647295f560ee58d93c8f378d75e8ea12ce55cc7cdf3cc717", kill_on_drop: false }`
[INFO] [stdout] d8fd525cf2c4115d647295f560ee58d93c8f378d75e8ea12ce55cc7cdf3cc717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb96b52b147a18093408830991838ea2bdf9c1830824748337ea2d15f50c189f
[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" "fb96b52b147a18093408830991838ea2bdf9c1830824748337ea2d15f50c189f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.122
[INFO] [stderr]    Compiling serde v1.0.122
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking similar v0.3.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking monkey-lexer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v1.5.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.47s
[INFO] running `Command { std: "docker" "inspect" "fb96b52b147a18093408830991838ea2bdf9c1830824748337ea2d15f50c189f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb96b52b147a18093408830991838ea2bdf9c1830824748337ea2d15f50c189f", kill_on_drop: false }`
[INFO] [stdout] fb96b52b147a18093408830991838ea2bdf9c1830824748337ea2d15f50c189f