[INFO] updating cached repository frvannes16/pom
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/frvannes16/pom
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/frvannes16/pom" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frvannes16/pom"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frvannes16/pom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/frvannes16/pom" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/frvannes16/pom"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/frvannes16/pom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 02ab722b0552954c8254b3e9709e58681afaa32d
[INFO] sha for GitHub repo frvannes16/pom: 02ab722b0552954c8254b3e9709e58681afaa32d
[INFO] validating manifest of frvannes16/pom on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of frvannes16/pom on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing frvannes16/pom
[INFO] finished frobbing frvannes16/pom
[INFO] frobbed toml for frvannes16/pom written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frvannes16/pom/Cargo.toml
[INFO] started frobbing frvannes16/pom
[INFO] finished frobbing frvannes16/pom
[INFO] frobbed toml for frvannes16/pom written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/frvannes16/pom/Cargo.toml
[INFO] crate frvannes16/pom already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking frvannes16/pom against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frvannes16/pom:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eb8c270840baeb527071d4bb1328e54dc8836b2bdabcf4d12b42e516bd060d5d
[INFO] running `"docker" "start" "-a" "eb8c270840baeb527071d4bb1328e54dc8836b2bdabcf4d12b42e516bd060d5d"`
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking pomodoro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: constant item is never used: `POM_LOG_FILE`
[INFO] [stderr]   --> src/manager.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const POM_LOG_FILE: &str      = "pom.log";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `POM_CSV_FILE`
[INFO] [stderr]   --> src/manager.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const POM_CSV_FILE: &str      = "pom.csv";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/manager.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     settings_yaml.write_all(serialized_settings.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `POM_LOG_FILE`
[INFO] [stderr]   --> src/manager.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const POM_LOG_FILE: &str      = "pom.log";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `POM_CSV_FILE`
[INFO] [stderr]   --> src/manager.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const POM_CSV_FILE: &str      = "pom.csv";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/manager.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     settings_yaml.write_all(serialized_settings.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.82s
[INFO] running `"docker" "inspect" "eb8c270840baeb527071d4bb1328e54dc8836b2bdabcf4d12b42e516bd060d5d"`
[INFO] running `"docker" "rm" "-f" "eb8c270840baeb527071d4bb1328e54dc8836b2bdabcf4d12b42e516bd060d5d"`
[INFO] [stdout] eb8c270840baeb527071d4bb1328e54dc8836b2bdabcf4d12b42e516bd060d5d