[INFO] updating cached repository KeyboardFire/chessolang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KeyboardFire/chessolang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KeyboardFire/chessolang" "work/ex/beta-1.38-1/sources/1.37.0/gh/KeyboardFire/chessolang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/KeyboardFire/chessolang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KeyboardFire/chessolang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KeyboardFire/chessolang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KeyboardFire/chessolang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82433c52d3a39a861490d9357f1b3f601e273176
[INFO] sha for GitHub repo KeyboardFire/chessolang: 82433c52d3a39a861490d9357f1b3f601e273176
[INFO] validating manifest of KeyboardFire/chessolang 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 KeyboardFire/chessolang 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 KeyboardFire/chessolang
[INFO] finished frobbing KeyboardFire/chessolang
[INFO] frobbed toml for KeyboardFire/chessolang written to work/ex/beta-1.38-1/sources/1.37.0/gh/KeyboardFire/chessolang/Cargo.toml
[INFO] started frobbing KeyboardFire/chessolang
[INFO] finished frobbing KeyboardFire/chessolang
[INFO] frobbed toml for KeyboardFire/chessolang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KeyboardFire/chessolang/Cargo.toml
[INFO] crate KeyboardFire/chessolang 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KeyboardFire/chessolang/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 KeyboardFire/chessolang 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KeyboardFire/chessolang:/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] 92bd6ea224175a82313b12302ccb58e62ec93f0429694f7522da303055649d47
[INFO] running `"docker" "start" "-a" "92bd6ea224175a82313b12302ccb58e62ec93f0429694f7522da303055649d47"`
[INFO] [stderr]    Compiling chessolang v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "92bd6ea224175a82313b12302ccb58e62ec93f0429694f7522da303055649d47"`
[INFO] running `"docker" "rm" "-f" "92bd6ea224175a82313b12302ccb58e62ec93f0429694f7522da303055649d47"`
[INFO] [stdout] 92bd6ea224175a82313b12302ccb58e62ec93f0429694f7522da303055649d47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KeyboardFire/chessolang:/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] 0055cb2669266513b947100feb18a7166b1de31b7a431eb919378bafc8cd384d
[INFO] running `"docker" "start" "-a" "0055cb2669266513b947100feb18a7166b1de31b7a431eb919378bafc8cd384d"`
[INFO] [stderr]    Compiling chessolang v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "0055cb2669266513b947100feb18a7166b1de31b7a431eb919378bafc8cd384d"`
[INFO] running `"docker" "rm" "-f" "0055cb2669266513b947100feb18a7166b1de31b7a431eb919378bafc8cd384d"`
[INFO] [stdout] 0055cb2669266513b947100feb18a7166b1de31b7a431eb919378bafc8cd384d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KeyboardFire/chessolang:/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] cfe5626865c46955650ccb8697a0cc6eb36389be0019d952400672ebbdb2b97f
[INFO] running `"docker" "start" "-a" "cfe5626865c46955650ccb8697a0cc6eb36389be0019d952400672ebbdb2b97f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chessolang-0c559c9113cd218f
[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" "cfe5626865c46955650ccb8697a0cc6eb36389be0019d952400672ebbdb2b97f"`
[INFO] running `"docker" "rm" "-f" "cfe5626865c46955650ccb8697a0cc6eb36389be0019d952400672ebbdb2b97f"`
[INFO] [stdout] cfe5626865c46955650ccb8697a0cc6eb36389be0019d952400672ebbdb2b97f