[INFO] updating cached repository IgaguriMK/gengou-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IgaguriMK/gengou-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IgaguriMK/gengou-challenge" "work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/gengou-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/gengou-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IgaguriMK/gengou-challenge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/gengou-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/gengou-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc6a8f436f65e63fb81d889d727581776dd88bae
[INFO] sha for GitHub repo IgaguriMK/gengou-challenge: bc6a8f436f65e63fb81d889d727581776dd88bae
[INFO] validating manifest of IgaguriMK/gengou-challenge on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of IgaguriMK/gengou-challenge on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing IgaguriMK/gengou-challenge
[INFO] finished frobbing IgaguriMK/gengou-challenge
[INFO] frobbed toml for IgaguriMK/gengou-challenge written to work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/gengou-challenge/Cargo.toml
[INFO] started frobbing IgaguriMK/gengou-challenge
[INFO] finished frobbing IgaguriMK/gengou-challenge
[INFO] frobbed toml for IgaguriMK/gengou-challenge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/gengou-challenge/Cargo.toml
[INFO] crate IgaguriMK/gengou-challenge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing IgaguriMK/gengou-challenge against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/gengou-challenge:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b8c659c95e3d5cfb2af74f4eb703484bff11917fcbf5ff056a7b93b5987cd125
[INFO] running `"docker" "start" "-a" "b8c659c95e3d5cfb2af74f4eb703484bff11917fcbf5ff056a7b93b5987cd125"`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling gengou-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `"docker" "inspect" "b8c659c95e3d5cfb2af74f4eb703484bff11917fcbf5ff056a7b93b5987cd125"`
[INFO] running `"docker" "rm" "-f" "b8c659c95e3d5cfb2af74f4eb703484bff11917fcbf5ff056a7b93b5987cd125"`
[INFO] [stdout] b8c659c95e3d5cfb2af74f4eb703484bff11917fcbf5ff056a7b93b5987cd125
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/gengou-challenge:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 039542d1a1611ec89b98839f1b1862c4f546b41790364d227954c7e7ae1c1cea
[INFO] running `"docker" "start" "-a" "039542d1a1611ec89b98839f1b1862c4f546b41790364d227954c7e7ae1c1cea"`
[INFO] [stderr]    Compiling gengou-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "039542d1a1611ec89b98839f1b1862c4f546b41790364d227954c7e7ae1c1cea"`
[INFO] running `"docker" "rm" "-f" "039542d1a1611ec89b98839f1b1862c4f546b41790364d227954c7e7ae1c1cea"`
[INFO] [stdout] 039542d1a1611ec89b98839f1b1862c4f546b41790364d227954c7e7ae1c1cea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/gengou-challenge:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b93d629c9ff133a35fe99aa60b75f88abb66eb7839d8828115e002b1fb649a2e
[INFO] running `"docker" "start" "-a" "b93d629c9ff133a35fe99aa60b75f88abb66eb7839d8828115e002b1fb649a2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gengou_challenge-ffe800e3155d0109
[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" "b93d629c9ff133a35fe99aa60b75f88abb66eb7839d8828115e002b1fb649a2e"`
[INFO] running `"docker" "rm" "-f" "b93d629c9ff133a35fe99aa60b75f88abb66eb7839d8828115e002b1fb649a2e"`
[INFO] [stdout] b93d629c9ff133a35fe99aa60b75f88abb66eb7839d8828115e002b1fb649a2e