[INFO] fetching crate rlocc 0.2.1...
[INFO] checking rlocc-0.2.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate rlocc 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rlocc 0.2.1 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 crates.io crate rlocc 0.2.1
[INFO] finished tweaking crates.io crate rlocc 0.2.1
[INFO] tweaked toml for crates.io crate rlocc 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rlocc 0.2.1 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a96cff4cefe855f9c3072d30ec52cc1fa45be62785e42f078fe707cb07c494ed
[INFO] running `Command { std: "docker" "start" "-a" "a96cff4cefe855f9c3072d30ec52cc1fa45be62785e42f078fe707cb07c494ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a96cff4cefe855f9c3072d30ec52cc1fa45be62785e42f078fe707cb07c494ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96cff4cefe855f9c3072d30ec52cc1fa45be62785e42f078fe707cb07c494ed", kill_on_drop: false }`
[INFO] [stdout] a96cff4cefe855f9c3072d30ec52cc1fa45be62785e42f078fe707cb07c494ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5fc105fa3f81efda5a21ba0b1c0b4c3ec13010d91696e16ddc9e80d5dc4d3ddd
[INFO] running `Command { std: "docker" "start" "-a" "5fc105fa3f81efda5a21ba0b1c0b4c3ec13010d91696e16ddc9e80d5dc4d3ddd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking rlocc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/locc/mod.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]   --> src/locc/mod.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sm`
[INFO] [stdout]    --> src/locc/states.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         sm: LOCStateMachine,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ps`
[INFO] [stdout]    --> src/locc/states.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         ps: ParsingState<'a>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cr`
[INFO] [stdout]    --> src/locc/states.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         cr: CountResult,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/locc/states.rs:468:12
[INFO] [stdout]     |
[INFO] [stdout] 468 |         fn new(lang: &'static Language) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `state_initial_empty_line`
[INFO] [stdout]    --> src/locc/states.rs:480:8
[INFO] [stdout]     |
[INFO] [stdout] 480 |     fn state_initial_empty_line() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "5fc105fa3f81efda5a21ba0b1c0b4c3ec13010d91696e16ddc9e80d5dc4d3ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc105fa3f81efda5a21ba0b1c0b4c3ec13010d91696e16ddc9e80d5dc4d3ddd", kill_on_drop: false }`
[INFO] [stdout] 5fc105fa3f81efda5a21ba0b1c0b4c3ec13010d91696e16ddc9e80d5dc4d3ddd