[INFO] updating cached repository https://github.com/das3in/rust-pomodoro
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c01e7e24c80acf45ea7d99eec5fef9f1dfa7d12
[INFO] testing das3in/rust-pomodoro against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas3in%2Frust-pomodoro" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/das3in/rust-pomodoro on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/das3in/rust-pomodoro already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 3127a444b5b85d07c9fa8360d6711828b43f068ab8a6daf9b8b1c1e47232955f
[INFO] running `"docker" "start" "-a" "3127a444b5b85d07c9fa8360d6711828b43f068ab8a6daf9b8b1c1e47232955f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chan v0.1.19
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `"docker" "inspect" "3127a444b5b85d07c9fa8360d6711828b43f068ab8a6daf9b8b1c1e47232955f"`
[INFO] running `"docker" "rm" "-f" "3127a444b5b85d07c9fa8360d6711828b43f068ab8a6daf9b8b1c1e47232955f"`
[INFO] [stdout] 3127a444b5b85d07c9fa8360d6711828b43f068ab8a6daf9b8b1c1e47232955f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4192a8417ce4229d26da4482ab7cbd19d37b0e2e7e6d0d4dab4e390efec6833d
[INFO] running `"docker" "start" "-a" "4192a8417ce4229d26da4482ab7cbd19d37b0e2e7e6d0d4dab4e390efec6833d"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "4192a8417ce4229d26da4482ab7cbd19d37b0e2e7e6d0d4dab4e390efec6833d"`
[INFO] running `"docker" "rm" "-f" "4192a8417ce4229d26da4482ab7cbd19d37b0e2e7e6d0d4dab4e390efec6833d"`
[INFO] [stdout] 4192a8417ce4229d26da4482ab7cbd19d37b0e2e7e6d0d4dab4e390efec6833d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 3c09a7293e719ed3a2b4f68b2292b7b5d2a84316f53879ee31ce18e59fead50f
[INFO] running `"docker" "start" "-a" "3c09a7293e719ed3a2b4f68b2292b7b5d2a84316f53879ee31ce18e59fead50f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tester-8903642038d169e3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3c09a7293e719ed3a2b4f68b2292b7b5d2a84316f53879ee31ce18e59fead50f"`
[INFO] running `"docker" "rm" "-f" "3c09a7293e719ed3a2b4f68b2292b7b5d2a84316f53879ee31ce18e59fead50f"`
[INFO] [stdout] 3c09a7293e719ed3a2b4f68b2292b7b5d2a84316f53879ee31ce18e59fead50f