[INFO] cloning repository https://github.com/NathanYee/monkey-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanYee/monkey-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanYee%2Fmonkey-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanYee%2Fmonkey-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c6496fa3f970770b01f615e5c0af3d49025d4fa
[INFO] checking NathanYee/monkey-rs against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanYee%2Fmonkey-rs" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanYee/monkey-rs on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NathanYee/monkey-rs
[INFO] finished tweaking git repo https://github.com/NathanYee/monkey-rs
[INFO] tweaked toml for git repo https://github.com/NathanYee/monkey-rs written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanYee/monkey-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07cfb35644a4de7476b93a67b2150db4973c93e50df6f85ab12b9863f84b1d8f
[INFO] running `Command { std: "docker" "start" "-a" "07cfb35644a4de7476b93a67b2150db4973c93e50df6f85ab12b9863f84b1d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07cfb35644a4de7476b93a67b2150db4973c93e50df6f85ab12b9863f84b1d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cfb35644a4de7476b93a67b2150db4973c93e50df6f85ab12b9863f84b1d8f", kill_on_drop: false }`
[INFO] [stdout] 07cfb35644a4de7476b93a67b2150db4973c93e50df6f85ab12b9863f84b1d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb1cbefba9a7aaed66c6700e1ef36ba2466382cc9e08281f30a2c7780dd6cb0
[INFO] running `Command { std: "docker" "start" "-a" "6cb1cbefba9a7aaed66c6700e1ef36ba2466382cc9e08281f30a2c7780dd6cb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]   --> src/parser.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `got`
[INFO] [stdout]   --> src/parser.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]   --> src/parser.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `got`
[INFO] [stdout]   --> src/parser.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]   --> src/parser.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `got`
[INFO] [stdout]   --> src/parser.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]   --> src/parser.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `got`
[INFO] [stdout]   --> src/parser.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ExpectedToken { expected: Token, got: Token },
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.57s
[INFO] running `Command { std: "docker" "inspect" "6cb1cbefba9a7aaed66c6700e1ef36ba2466382cc9e08281f30a2c7780dd6cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb1cbefba9a7aaed66c6700e1ef36ba2466382cc9e08281f30a2c7780dd6cb0", kill_on_drop: false }`
[INFO] [stdout] 6cb1cbefba9a7aaed66c6700e1ef36ba2466382cc9e08281f30a2c7780dd6cb0