[INFO] updating cached repository MartialGeek/rust-guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MartialGeek/rust-guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MartialGeek/rust-guessing-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/MartialGeek/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MartialGeek/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MartialGeek/rust-guessing-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MartialGeek/rust-guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MartialGeek/rust-guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e1ca7566821a1d878f41a775afa0814e237b9c7
[INFO] sha for GitHub repo MartialGeek/rust-guessing-game: 3e1ca7566821a1d878f41a775afa0814e237b9c7
[INFO] validating manifest of MartialGeek/rust-guessing-game 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 MartialGeek/rust-guessing-game 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 MartialGeek/rust-guessing-game
[INFO] finished frobbing MartialGeek/rust-guessing-game
[INFO] frobbed toml for MartialGeek/rust-guessing-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/MartialGeek/rust-guessing-game/Cargo.toml
[INFO] started frobbing MartialGeek/rust-guessing-game
[INFO] finished frobbing MartialGeek/rust-guessing-game
[INFO] frobbed toml for MartialGeek/rust-guessing-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MartialGeek/rust-guessing-game/Cargo.toml
[INFO] crate MartialGeek/rust-guessing-game 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing MartialGeek/rust-guessing-game 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/MartialGeek/rust-guessing-game:/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] b4c1e395f9710e77cd56bce5837b1377b7c98b2afc362bbef74eb97199b3006e
[INFO] running `"docker" "start" "-a" "b4c1e395f9710e77cd56bce5837b1377b7c98b2afc362bbef74eb97199b3006e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "b4c1e395f9710e77cd56bce5837b1377b7c98b2afc362bbef74eb97199b3006e"`
[INFO] running `"docker" "rm" "-f" "b4c1e395f9710e77cd56bce5837b1377b7c98b2afc362bbef74eb97199b3006e"`
[INFO] [stdout] b4c1e395f9710e77cd56bce5837b1377b7c98b2afc362bbef74eb97199b3006e
[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/MartialGeek/rust-guessing-game:/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] 6936b309cafc20ab5aa2004c662295558d0ce58ca794f8579565d29762a4214e
[INFO] running `"docker" "start" "-a" "6936b309cafc20ab5aa2004c662295558d0ce58ca794f8579565d29762a4214e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "6936b309cafc20ab5aa2004c662295558d0ce58ca794f8579565d29762a4214e"`
[INFO] running `"docker" "rm" "-f" "6936b309cafc20ab5aa2004c662295558d0ce58ca794f8579565d29762a4214e"`
[INFO] [stdout] 6936b309cafc20ab5aa2004c662295558d0ce58ca794f8579565d29762a4214e
[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/MartialGeek/rust-guessing-game:/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] 3e4d263c003344b4ffcc3a5e0aa8b4b4c848cf30362d5ede6a94cb69ce27f588
[INFO] running `"docker" "start" "-a" "3e4d263c003344b4ffcc3a5e0aa8b4b4c848cf30362d5ede6a94cb69ce27f588"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-506bfd24ab9bde43
[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" "3e4d263c003344b4ffcc3a5e0aa8b4b4c848cf30362d5ede6a94cb69ce27f588"`
[INFO] running `"docker" "rm" "-f" "3e4d263c003344b4ffcc3a5e0aa8b4b4c848cf30362d5ede6a94cb69ce27f588"`
[INFO] [stdout] 3e4d263c003344b4ffcc3a5e0aa8b4b4c848cf30362d5ede6a94cb69ce27f588