[INFO] cloning repository travisboss/christmas_carol [INFO] running `"git" "clone" "--bare" "git://github.com/travisboss/christmas_carol.git" "work/cache/sources/gh/travisboss/christmas_carol"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/travisboss/christmas_carol'... [INFO] running `"git" "clone" "work/cache/sources/gh/travisboss/christmas_carol" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/travisboss/christmas_carol"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/travisboss/christmas_carol'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/travisboss/christmas_carol" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/travisboss/christmas_carol"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/travisboss/christmas_carol'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 365ff1bce6d6d5e3fbf443ec6b6c4ae1e6d379bf [INFO] sha for GitHub repo travisboss/christmas_carol: 365ff1bce6d6d5e3fbf443ec6b6c4ae1e6d379bf [INFO] validating manifest of travisboss/christmas_carol on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of travisboss/christmas_carol on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing travisboss/christmas_carol [INFO] finished frobbing travisboss/christmas_carol [INFO] frobbed toml for travisboss/christmas_carol written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/travisboss/christmas_carol/Cargo.toml [INFO] started frobbing travisboss/christmas_carol [INFO] finished frobbing travisboss/christmas_carol [INFO] frobbed toml for travisboss/christmas_carol written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/travisboss/christmas_carol/Cargo.toml [INFO] crate travisboss/christmas_carol already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking travisboss/christmas_carol against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/travisboss/christmas_carol:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 189efc160c53df853a08c7e41cbcc23750eec524cd9f7fe80ab94fc815d6e4ec [INFO] running `"docker" "start" "-a" "189efc160c53df853a08c7e41cbcc23750eec524cd9f7fe80ab94fc815d6e4ec"` [INFO] [stderr] Checking christmas_carol v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `"docker" "inspect" "189efc160c53df853a08c7e41cbcc23750eec524cd9f7fe80ab94fc815d6e4ec"` [INFO] running `"docker" "rm" "-f" "189efc160c53df853a08c7e41cbcc23750eec524cd9f7fe80ab94fc815d6e4ec"` [INFO] [stdout] 189efc160c53df853a08c7e41cbcc23750eec524cd9f7fe80ab94fc815d6e4ec