[INFO] updating cached repository nickexton/gh_art
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nickexton/gh_art
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nickexton/gh_art" "work/ex/beta-1.38-1/sources/1.37.0/gh/nickexton/gh_art"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nickexton/gh_art'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nickexton/gh_art" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nickexton/gh_art"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nickexton/gh_art'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3101b2639432f47ff836176a480b2c5221838248
[INFO] sha for GitHub repo nickexton/gh_art: 3101b2639432f47ff836176a480b2c5221838248
[INFO] validating manifest of nickexton/gh_art on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nickexton/gh_art on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nickexton/gh_art
[INFO] finished frobbing nickexton/gh_art
[INFO] frobbed toml for nickexton/gh_art written to work/ex/beta-1.38-1/sources/1.37.0/gh/nickexton/gh_art/Cargo.toml
[INFO] started frobbing nickexton/gh_art
[INFO] finished frobbing nickexton/gh_art
[INFO] frobbed toml for nickexton/gh_art written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nickexton/gh_art/Cargo.toml
[INFO] crate nickexton/gh_art already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nickexton/gh_art/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nickexton/gh_art against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nickexton/gh_art:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9a972f2a1e99263c8e03cabd2d68ec11e2ddfa95fba43db45a7d7c43209614c5
[INFO] running `"docker" "start" "-a" "9a972f2a1e99263c8e03cabd2d68ec11e2ddfa95fba43db45a7d7c43209614c5"`
[INFO] [stderr]    Compiling gh_art v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:47:45
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 '.' | ' ' => poke_git(date, ((delta * 0) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:48:45
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 '+'       => poke_git(date, ((delta * 1) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:49:45
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 '*'       => poke_git(date, ((delta * 2) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:50:45
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 '#'       => poke_git(date, ((delta * 3) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "9a972f2a1e99263c8e03cabd2d68ec11e2ddfa95fba43db45a7d7c43209614c5"`
[INFO] running `"docker" "rm" "-f" "9a972f2a1e99263c8e03cabd2d68ec11e2ddfa95fba43db45a7d7c43209614c5"`
[INFO] [stdout] 9a972f2a1e99263c8e03cabd2d68ec11e2ddfa95fba43db45a7d7c43209614c5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nickexton/gh_art:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 40a2f2736736ca25430f1c650cf0352da5b9d252c54f2adfd1310d87394f50aa
[INFO] running `"docker" "start" "-a" "40a2f2736736ca25430f1c650cf0352da5b9d252c54f2adfd1310d87394f50aa"`
[INFO] [stderr]    Compiling gh_art v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:47:45
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 '.' | ' ' => poke_git(date, ((delta * 0) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:48:45
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 '+'       => poke_git(date, ((delta * 1) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:49:45
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 '*'       => poke_git(date, ((delta * 2) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:50:45
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 '#'       => poke_git(date, ((delta * 3) + 1)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "40a2f2736736ca25430f1c650cf0352da5b9d252c54f2adfd1310d87394f50aa"`
[INFO] running `"docker" "rm" "-f" "40a2f2736736ca25430f1c650cf0352da5b9d252c54f2adfd1310d87394f50aa"`
[INFO] [stdout] 40a2f2736736ca25430f1c650cf0352da5b9d252c54f2adfd1310d87394f50aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nickexton/gh_art:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 267b1ab568f7c0cf2b790164b0dd4b63be6567725d5200497c047157f490c2a3
[INFO] running `"docker" "start" "-a" "267b1ab568f7c0cf2b790164b0dd4b63be6567725d5200497c047157f490c2a3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gh_art-3fc88b37ea434adc
[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" "267b1ab568f7c0cf2b790164b0dd4b63be6567725d5200497c047157f490c2a3"`
[INFO] running `"docker" "rm" "-f" "267b1ab568f7c0cf2b790164b0dd4b63be6567725d5200497c047157f490c2a3"`
[INFO] [stdout] 267b1ab568f7c0cf2b790164b0dd4b63be6567725d5200497c047157f490c2a3