[INFO] updating cached repository n1o/project_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/n1o/project_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/n1o/project_euler" "work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/n1o/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/n1o/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/n1o/project_euler" "work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/n1o/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/n1o/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27b7ba066030d2dc20b73afde364fff7098dc4a2
[INFO] sha for GitHub repo n1o/project_euler: 27b7ba066030d2dc20b73afde364fff7098dc4a2
[INFO] validating manifest of n1o/project_euler on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of n1o/project_euler on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing n1o/project_euler
[INFO] finished frobbing n1o/project_euler
[INFO] frobbed toml for n1o/project_euler written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/n1o/project_euler/Cargo.toml
[INFO] started frobbing n1o/project_euler
[INFO] finished frobbing n1o/project_euler
[INFO] frobbed toml for n1o/project_euler written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/n1o/project_euler/Cargo.toml
[INFO] crate n1o/project_euler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking n1o/project_euler against master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-2/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/n1o/project_euler:/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" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 033c6ed80009f6379122c614bd6b4d2d7ea9b1ff589a8f99ddfa59956dce02ca
[INFO] running `"docker" "start" "-a" "033c6ed80009f6379122c614bd6b4d2d7ea9b1ff589a8f99ddfa59956dce02ca"`
[INFO] [stderr]     Checking project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::num`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "033c6ed80009f6379122c614bd6b4d2d7ea9b1ff589a8f99ddfa59956dce02ca"`
[INFO] running `"docker" "rm" "-f" "033c6ed80009f6379122c614bd6b4d2d7ea9b1ff589a8f99ddfa59956dce02ca"`
[INFO] [stdout] 033c6ed80009f6379122c614bd6b4d2d7ea9b1ff589a8f99ddfa59956dce02ca