[INFO] updating cached repository SolowinFXVI/LearnRUST
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SolowinFXVI/LearnRUST
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SolowinFXVI/LearnRUST" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/SolowinFXVI/LearnRUST"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/SolowinFXVI/LearnRUST'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SolowinFXVI/LearnRUST" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/SolowinFXVI/LearnRUST"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/SolowinFXVI/LearnRUST'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3608a09bb68eb128516c1c513a47659a0646dac7
[INFO] sha for GitHub repo SolowinFXVI/LearnRUST: 3608a09bb68eb128516c1c513a47659a0646dac7
[INFO] validating manifest of SolowinFXVI/LearnRUST on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SolowinFXVI/LearnRUST on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SolowinFXVI/LearnRUST
[INFO] finished frobbing SolowinFXVI/LearnRUST
[INFO] frobbed toml for SolowinFXVI/LearnRUST written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/SolowinFXVI/LearnRUST/Cargo.toml
[INFO] started frobbing SolowinFXVI/LearnRUST
[INFO] finished frobbing SolowinFXVI/LearnRUST
[INFO] frobbed toml for SolowinFXVI/LearnRUST written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/SolowinFXVI/LearnRUST/Cargo.toml
[INFO] crate SolowinFXVI/LearnRUST has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing SolowinFXVI/LearnRUST against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/SolowinFXVI/LearnRUST:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 942bb04bf57848074b49a42a885363f40e8a1ce339963dababa148e0431c9457
[INFO] running `"docker" "start" "-a" "942bb04bf57848074b49a42a885363f40e8a1ce339963dababa148e0431c9457"`
[INFO] [stderr]    Compiling learnrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "942bb04bf57848074b49a42a885363f40e8a1ce339963dababa148e0431c9457"`
[INFO] running `"docker" "rm" "-f" "942bb04bf57848074b49a42a885363f40e8a1ce339963dababa148e0431c9457"`
[INFO] [stdout] 942bb04bf57848074b49a42a885363f40e8a1ce339963dababa148e0431c9457
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/SolowinFXVI/LearnRUST:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 29265950ac01062f011983f42783fbabbf360889c87e150506a0f1afc6fb75e0
[INFO] running `"docker" "start" "-a" "29265950ac01062f011983f42783fbabbf360889c87e150506a0f1afc6fb75e0"`
[INFO] [stderr]    Compiling learnrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "29265950ac01062f011983f42783fbabbf360889c87e150506a0f1afc6fb75e0"`
[INFO] running `"docker" "rm" "-f" "29265950ac01062f011983f42783fbabbf360889c87e150506a0f1afc6fb75e0"`
[INFO] [stdout] 29265950ac01062f011983f42783fbabbf360889c87e150506a0f1afc6fb75e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/SolowinFXVI/LearnRUST:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 27ff34a2b99227e5883e56a2741d90a04c2c58121c32b9f22d0de41a0cc1a36a
[INFO] running `"docker" "start" "-a" "27ff34a2b99227e5883e56a2741d90a04c2c58121c32b9f22d0de41a0cc1a36a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learnrust-597089888ee39398
[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" "27ff34a2b99227e5883e56a2741d90a04c2c58121c32b9f22d0de41a0cc1a36a"`
[INFO] running `"docker" "rm" "-f" "27ff34a2b99227e5883e56a2741d90a04c2c58121c32b9f22d0de41a0cc1a36a"`
[INFO] [stdout] 27ff34a2b99227e5883e56a2741d90a04c2c58121c32b9f22d0de41a0cc1a36a