[INFO] updating cached repository dgnsrekt/learning-rust-by-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dgnsrekt/learning-rust-by-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dgnsrekt/learning-rust-by-example" "work/ex/beta-1.37-6/sources/1.36.0/gh/dgnsrekt/learning-rust-by-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dgnsrekt/learning-rust-by-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dgnsrekt/learning-rust-by-example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dgnsrekt/learning-rust-by-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dgnsrekt/learning-rust-by-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ccc3b39abd327d3ba3084a14e453a99e3a5254c9
[INFO] sha for GitHub repo dgnsrekt/learning-rust-by-example: ccc3b39abd327d3ba3084a14e453a99e3a5254c9
[INFO] validating manifest of dgnsrekt/learning-rust-by-example on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dgnsrekt/learning-rust-by-example on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dgnsrekt/learning-rust-by-example
[INFO] finished frobbing dgnsrekt/learning-rust-by-example
[INFO] frobbed toml for dgnsrekt/learning-rust-by-example written to work/ex/beta-1.37-6/sources/1.36.0/gh/dgnsrekt/learning-rust-by-example/Cargo.toml
[INFO] started frobbing dgnsrekt/learning-rust-by-example
[INFO] finished frobbing dgnsrekt/learning-rust-by-example
[INFO] frobbed toml for dgnsrekt/learning-rust-by-example written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dgnsrekt/learning-rust-by-example/Cargo.toml
[INFO] crate dgnsrekt/learning-rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dgnsrekt/learning-rust-by-example against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dgnsrekt/learning-rust-by-example:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7c99cf360afcec25231ff5c780bd1d0c837e99786b12b856cf4cd081d7c05dc7
[INFO] running `"docker" "start" "-a" "7c99cf360afcec25231ff5c780bd1d0c837e99786b12b856cf4cd081d7c05dc7"`
[INFO] [stderr]    Compiling learning-rust-by-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "7c99cf360afcec25231ff5c780bd1d0c837e99786b12b856cf4cd081d7c05dc7"`
[INFO] running `"docker" "rm" "-f" "7c99cf360afcec25231ff5c780bd1d0c837e99786b12b856cf4cd081d7c05dc7"`
[INFO] [stdout] 7c99cf360afcec25231ff5c780bd1d0c837e99786b12b856cf4cd081d7c05dc7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dgnsrekt/learning-rust-by-example:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] be0d76681e442dd284befff2bb68609a11f13e034dd8a0cbd9dd82d78bca881c
[INFO] running `"docker" "start" "-a" "be0d76681e442dd284befff2bb68609a11f13e034dd8a0cbd9dd82d78bca881c"`
[INFO] [stderr]    Compiling learning-rust-by-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "be0d76681e442dd284befff2bb68609a11f13e034dd8a0cbd9dd82d78bca881c"`
[INFO] running `"docker" "rm" "-f" "be0d76681e442dd284befff2bb68609a11f13e034dd8a0cbd9dd82d78bca881c"`
[INFO] [stdout] be0d76681e442dd284befff2bb68609a11f13e034dd8a0cbd9dd82d78bca881c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dgnsrekt/learning-rust-by-example:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] bc5ff59410fce7bd8ba7012e5753df3ac7d318108bd2905ec9caff55252e43b1
[INFO] running `"docker" "start" "-a" "bc5ff59410fce7bd8ba7012e5753df3ac7d318108bd2905ec9caff55252e43b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust_by_example-8efa5901cf1c5c11
[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" "bc5ff59410fce7bd8ba7012e5753df3ac7d318108bd2905ec9caff55252e43b1"`
[INFO] running `"docker" "rm" "-f" "bc5ff59410fce7bd8ba7012e5753df3ac7d318108bd2905ec9caff55252e43b1"`
[INFO] [stdout] bc5ff59410fce7bd8ba7012e5753df3ac7d318108bd2905ec9caff55252e43b1