[INFO] updating cached repository samsymons/Labyrinth
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samsymons/Labyrinth
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samsymons/Labyrinth" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/samsymons/Labyrinth"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/samsymons/Labyrinth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samsymons/Labyrinth" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/samsymons/Labyrinth"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/samsymons/Labyrinth'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26b7b9c00458a28956e09ba7346b768b1636f7b1
[INFO] sha for GitHub repo samsymons/Labyrinth: 26b7b9c00458a28956e09ba7346b768b1636f7b1
[INFO] validating manifest of samsymons/Labyrinth on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of samsymons/Labyrinth on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing samsymons/Labyrinth
[INFO] finished frobbing samsymons/Labyrinth
[INFO] frobbed toml for samsymons/Labyrinth written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/samsymons/Labyrinth/Cargo.toml
[INFO] started frobbing samsymons/Labyrinth
[INFO] finished frobbing samsymons/Labyrinth
[INFO] frobbed toml for samsymons/Labyrinth written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/samsymons/Labyrinth/Cargo.toml
[INFO] crate samsymons/Labyrinth already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/samsymons/Labyrinth/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking samsymons/Labyrinth against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-7/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/samsymons/Labyrinth:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 74c9d71dce019f71fdd1b050f895ca45278ab239a59e3e3ef5cefdddec599d8a
[INFO] running `"docker" "start" "-a" "74c9d71dce019f71fdd1b050f895ca45278ab239a59e3e3ef5cefdddec599d8a"`
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking labyrinth v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/model/test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "74c9d71dce019f71fdd1b050f895ca45278ab239a59e3e3ef5cefdddec599d8a"`
[INFO] running `"docker" "rm" "-f" "74c9d71dce019f71fdd1b050f895ca45278ab239a59e3e3ef5cefdddec599d8a"`
[INFO] [stdout] 74c9d71dce019f71fdd1b050f895ca45278ab239a59e3e3ef5cefdddec599d8a