[INFO] cloning repository https://github.com/das3in/rust-pomodoro
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/das3in/rust-pomodoro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas3in%2Frust-pomodoro"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas3in%2Frust-pomodoro'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c01e7e24c80acf45ea7d99eec5fef9f1dfa7d12
[INFO] checking das3in/rust-pomodoro against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas3in%2Frust-pomodoro" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/das3in/rust-pomodoro on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/das3in/rust-pomodoro
[INFO] finished tweaking git repo https://github.com/das3in/rust-pomodoro
[INFO] tweaked toml for git repo https://github.com/das3in/rust-pomodoro written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/das3in/rust-pomodoro already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d39a9ad17cd387a5887e599a26809de2dca954a94ce7957ad9ec3ec09da907fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d39a9ad17cd387a5887e599a26809de2dca954a94ce7957ad9ec3ec09da907fd"`
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `short_break`
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let short_break = chan::tick_ms(break_param / 3);
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_short_break`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `break_minutes_remaining`
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut break_minutes_remaining = 3;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_break_minutes_remaining`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut break_minutes_remaining = 3;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `short_break`
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let short_break = chan::tick_ms(break_param / 3);
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_short_break`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `break_minutes_remaining`
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut break_minutes_remaining = 3;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_break_minutes_remaining`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut break_minutes_remaining = 3;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `"docker" "inspect" "d39a9ad17cd387a5887e599a26809de2dca954a94ce7957ad9ec3ec09da907fd"`
[INFO] running `"docker" "rm" "-f" "d39a9ad17cd387a5887e599a26809de2dca954a94ce7957ad9ec3ec09da907fd"`
[INFO] [stdout] d39a9ad17cd387a5887e599a26809de2dca954a94ce7957ad9ec3ec09da907fd