[INFO] updating cached repository Vagelis-Prokopiou/rs_christmas-carol
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vagelis-Prokopiou/rs_christmas-carol
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vagelis-Prokopiou/rs_christmas-carol" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Vagelis-Prokopiou/rs_christmas-carol"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Vagelis-Prokopiou/rs_christmas-carol'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vagelis-Prokopiou/rs_christmas-carol" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Vagelis-Prokopiou/rs_christmas-carol"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Vagelis-Prokopiou/rs_christmas-carol'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2acaeb651935482b96cc20a6707d221d30b5885
[INFO] sha for GitHub repo Vagelis-Prokopiou/rs_christmas-carol: e2acaeb651935482b96cc20a6707d221d30b5885
[INFO] validating manifest of Vagelis-Prokopiou/rs_christmas-carol 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 Vagelis-Prokopiou/rs_christmas-carol 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 Vagelis-Prokopiou/rs_christmas-carol
[INFO] finished frobbing Vagelis-Prokopiou/rs_christmas-carol
[INFO] frobbed toml for Vagelis-Prokopiou/rs_christmas-carol written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Vagelis-Prokopiou/rs_christmas-carol/Cargo.toml
[INFO] started frobbing Vagelis-Prokopiou/rs_christmas-carol
[INFO] finished frobbing Vagelis-Prokopiou/rs_christmas-carol
[INFO] frobbed toml for Vagelis-Prokopiou/rs_christmas-carol written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Vagelis-Prokopiou/rs_christmas-carol/Cargo.toml
[INFO] crate Vagelis-Prokopiou/rs_christmas-carol 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 Vagelis-Prokopiou/rs_christmas-carol against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Vagelis-Prokopiou/rs_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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 94e08880fba0a9f9413b2caf9df2f32862ea33aa4f7a77085e0d3dd5879dbc2f
[INFO] running `"docker" "start" "-a" "94e08880fba0a9f9413b2caf9df2f32862ea33aa4f7a77085e0d3dd5879dbc2f"`
[INFO] [stderr]    Compiling rust_christmas_carol v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "94e08880fba0a9f9413b2caf9df2f32862ea33aa4f7a77085e0d3dd5879dbc2f"`
[INFO] running `"docker" "rm" "-f" "94e08880fba0a9f9413b2caf9df2f32862ea33aa4f7a77085e0d3dd5879dbc2f"`
[INFO] [stdout] 94e08880fba0a9f9413b2caf9df2f32862ea33aa4f7a77085e0d3dd5879dbc2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Vagelis-Prokopiou/rs_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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] efa1844104baaee34f3f174eef678780954f96b9227e5511079d8d5b2dc61a38
[INFO] running `"docker" "start" "-a" "efa1844104baaee34f3f174eef678780954f96b9227e5511079d8d5b2dc61a38"`
[INFO] [stderr]    Compiling rust_christmas_carol v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "efa1844104baaee34f3f174eef678780954f96b9227e5511079d8d5b2dc61a38"`
[INFO] running `"docker" "rm" "-f" "efa1844104baaee34f3f174eef678780954f96b9227e5511079d8d5b2dc61a38"`
[INFO] [stdout] efa1844104baaee34f3f174eef678780954f96b9227e5511079d8d5b2dc61a38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Vagelis-Prokopiou/rs_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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c8ae42cf01f810818fc5ccbca7f55f58f897de15fef4ee10592421a44ee204a6
[INFO] running `"docker" "start" "-a" "c8ae42cf01f810818fc5ccbca7f55f58f897de15fef4ee10592421a44ee204a6"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_christmas_carol-c8b3e21353650cd6
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c8ae42cf01f810818fc5ccbca7f55f58f897de15fef4ee10592421a44ee204a6"`
[INFO] running `"docker" "rm" "-f" "c8ae42cf01f810818fc5ccbca7f55f58f897de15fef4ee10592421a44ee204a6"`
[INFO] [stdout] c8ae42cf01f810818fc5ccbca7f55f58f897de15fef4ee10592421a44ee204a6