[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 try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 579eee8f8388ed48693024d8bc9a6faa3ed669c683da2fe0947bd591b95e686f
[INFO] running `"docker" "start" "-a" "579eee8f8388ed48693024d8bc9a6faa3ed669c683da2fe0947bd591b95e686f"`
[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" "579eee8f8388ed48693024d8bc9a6faa3ed669c683da2fe0947bd591b95e686f"`
[INFO] running `"docker" "rm" "-f" "579eee8f8388ed48693024d8bc9a6faa3ed669c683da2fe0947bd591b95e686f"`
[INFO] [stdout] 579eee8f8388ed48693024d8bc9a6faa3ed669c683da2fe0947bd591b95e686f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51a2a78cef19fed9ac05fa6823770be44ca2e6db5d51847489fe8b06f6e938cf
[INFO] running `"docker" "start" "-a" "51a2a78cef19fed9ac05fa6823770be44ca2e6db5d51847489fe8b06f6e938cf"`
[INFO] [stderr]    Compiling rust_christmas_carol v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "51a2a78cef19fed9ac05fa6823770be44ca2e6db5d51847489fe8b06f6e938cf"`
[INFO] running `"docker" "rm" "-f" "51a2a78cef19fed9ac05fa6823770be44ca2e6db5d51847489fe8b06f6e938cf"`
[INFO] [stdout] 51a2a78cef19fed9ac05fa6823770be44ca2e6db5d51847489fe8b06f6e938cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 90739ca02483c938fae6e0f05b5eabdbc477fa0667da7ef17a5705c149e0e3cb
[INFO] running `"docker" "start" "-a" "90739ca02483c938fae6e0f05b5eabdbc477fa0667da7ef17a5705c149e0e3cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_christmas_carol-c9a1fb76aa5d57d2
[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" "90739ca02483c938fae6e0f05b5eabdbc477fa0667da7ef17a5705c149e0e3cb"`
[INFO] running `"docker" "rm" "-f" "90739ca02483c938fae6e0f05b5eabdbc477fa0667da7ef17a5705c149e0e3cb"`
[INFO] [stdout] 90739ca02483c938fae6e0f05b5eabdbc477fa0667da7ef17a5705c149e0e3cb