[INFO] fetching crate rlocc 0.2.1...
[INFO] checking rlocc-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rlocc 0.2.1 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rlocc 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rlocc 0.2.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c166296f5473f7634a20532daab9fe3d91ca3600f66dce3cba39846236e136
[INFO] running `Command { std: "docker" "start" "-a" "01c166296f5473f7634a20532daab9fe3d91ca3600f66dce3cba39846236e136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c166296f5473f7634a20532daab9fe3d91ca3600f66dce3cba39846236e136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c166296f5473f7634a20532daab9fe3d91ca3600f66dce3cba39846236e136", kill_on_drop: false }`
[INFO] [stdout] 01c166296f5473f7634a20532daab9fe3d91ca3600f66dce3cba39846236e136
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2836e208136945bd1a959fd895442582a208dd9aecbe0145175723dad111e46
[INFO] running `Command { std: "docker" "start" "-a" "b2836e208136945bd1a959fd895442582a208dd9aecbe0145175723dad111e46", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/locc/count.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount> {
[INFO] [stdout]     |                          ^^^^^^^                -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount<'_>> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]    --> src/locc/states.rs:460:12
[INFO] [stdout]     |
[INFO] [stdout] 460 |     struct A<'a> {
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/locc/states.rs:468:12
[INFO] [stdout]     |
[INFO] [stdout] 466 |     impl A<'_> {
[INFO] [stdout]     |     ---------- associated function in this implementation
[INFO] [stdout] 467 |         #[inline]
[INFO] [stdout] 468 |         fn new(lang: &'static Language) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `state_initial_empty_line` is never used
[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/locc/count.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount> {
[INFO] [stdout]     |                          ^^^^^^^                -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 366 | pub fn count_all(config: &Config) -> io::Result<LOCCount<'_>> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "b2836e208136945bd1a959fd895442582a208dd9aecbe0145175723dad111e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2836e208136945bd1a959fd895442582a208dd9aecbe0145175723dad111e46", kill_on_drop: false }`
[INFO] [stdout] b2836e208136945bd1a959fd895442582a208dd9aecbe0145175723dad111e46