[INFO] cloning repository https://github.com/jackcasey067/Parsley
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackcasey067/Parsley" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcasey067%2FParsley", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcasey067%2FParsley'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beb70bfb5ccf52ffe298e376a9f5da892fdb44eb
[INFO] checking jackcasey067/Parsley against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackcasey067%2FParsley" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackcasey067/Parsley
[INFO] finished tweaking git repo https://github.com/jackcasey067/Parsley
[INFO] tweaked toml for git repo https://github.com/jackcasey067/Parsley written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackcasey067/Parsley on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackcasey067/Parsley already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v2.0.4
[INFO] [stderr]   Downloaded by_address v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf9302ceb3bcb0725cb442890e3c2d1c7c4a4c616dbacbb834c766389503a6aa
[INFO] running `Command { std: "docker" "start" "-a" "bf9302ceb3bcb0725cb442890e3c2d1c7c4a4c616dbacbb834c766389503a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf9302ceb3bcb0725cb442890e3c2d1c7c4a4c616dbacbb834c766389503a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9302ceb3bcb0725cb442890e3c2d1c7c4a4c616dbacbb834c766389503a6aa", kill_on_drop: false }`
[INFO] [stdout] bf9302ceb3bcb0725cb442890e3c2d1c7c4a4c616dbacbb834c766389503a6aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d887ad71552b680bb26c88d0ee312d1c5e3b70eec8b39178d9b41ca46681c76c
[INFO] running `Command { std: "docker" "start" "-a" "d887ad71552b680bb26c88d0ee312d1c5e3b70eec8b39178d9b41ca46681c76c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking by_address v1.1.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking parsley v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/define.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 | / ...   ["program", "identifier", "number", "string", "assignment", "alphabetic_character", "digit", "white_space", "all_characters...
[INFO] [stdout] 481 | | ...       .map(|name| {
[INFO] [stdout] 482 | | ...           assert!(parser.rules.contains_key(name));
[INFO] [stdout] 483 | | ...       });
[INFO] [stdout]     | |____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let _ = ["program", "identifier", "number", "string", "assignment", "alphabetic_character", "digit", "white_space", "all_characters_no_quote"]
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "d887ad71552b680bb26c88d0ee312d1c5e3b70eec8b39178d9b41ca46681c76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d887ad71552b680bb26c88d0ee312d1c5e3b70eec8b39178d9b41ca46681c76c", kill_on_drop: false }`
[INFO] [stdout] d887ad71552b680bb26c88d0ee312d1c5e3b70eec8b39178d9b41ca46681c76c