[INFO] updating cached repository plaptov/rust_training
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/plaptov/rust_training
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/plaptov/rust_training" "work/ex/beta-1.38-1/sources/1.37.0/gh/plaptov/rust_training"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/plaptov/rust_training'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/plaptov/rust_training" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/plaptov/rust_training"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/plaptov/rust_training'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f28dccb867d95c21751a2e830f18476b5e096af3
[INFO] sha for GitHub repo plaptov/rust_training: f28dccb867d95c21751a2e830f18476b5e096af3
[INFO] validating manifest of plaptov/rust_training 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 plaptov/rust_training 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 plaptov/rust_training
[INFO] finished frobbing plaptov/rust_training
[INFO] frobbed toml for plaptov/rust_training written to work/ex/beta-1.38-1/sources/1.37.0/gh/plaptov/rust_training/Cargo.toml
[INFO] started frobbing plaptov/rust_training
[INFO] finished frobbing plaptov/rust_training
[INFO] frobbed toml for plaptov/rust_training written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/plaptov/rust_training/Cargo.toml
[INFO] crate plaptov/rust_training 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 plaptov/rust_training 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/plaptov/rust_training:/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] 0828b38c25acae644fd50c4ca35e48a6e111c6d9df58f521b8db16ad9a5adb11
[INFO] running `"docker" "start" "-a" "0828b38c25acae644fd50c4ca35e48a6e111c6d9df58f521b8db16ad9a5adb11"`
[INFO] [stderr]    Compiling rust_training v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "0828b38c25acae644fd50c4ca35e48a6e111c6d9df58f521b8db16ad9a5adb11"`
[INFO] running `"docker" "rm" "-f" "0828b38c25acae644fd50c4ca35e48a6e111c6d9df58f521b8db16ad9a5adb11"`
[INFO] [stdout] 0828b38c25acae644fd50c4ca35e48a6e111c6d9df58f521b8db16ad9a5adb11
[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/plaptov/rust_training:/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] cc003eb63da76565eb41369961e2dc90c13548265f1ed3d49373509fb9d64e24
[INFO] running `"docker" "start" "-a" "cc003eb63da76565eb41369961e2dc90c13548265f1ed3d49373509fb9d64e24"`
[INFO] [stderr]    Compiling rust_training v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "cc003eb63da76565eb41369961e2dc90c13548265f1ed3d49373509fb9d64e24"`
[INFO] running `"docker" "rm" "-f" "cc003eb63da76565eb41369961e2dc90c13548265f1ed3d49373509fb9d64e24"`
[INFO] [stdout] cc003eb63da76565eb41369961e2dc90c13548265f1ed3d49373509fb9d64e24
[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/plaptov/rust_training:/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] f9c9ac9978243d83bd4a2d4fa8a65d53b780b6fbc007365e6c30a30d9ccb855f
[INFO] running `"docker" "start" "-a" "f9c9ac9978243d83bd4a2d4fa8a65d53b780b6fbc007365e6c30a30d9ccb855f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_training-5487ac66b678ffa2
[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" "f9c9ac9978243d83bd4a2d4fa8a65d53b780b6fbc007365e6c30a30d9ccb855f"`
[INFO] running `"docker" "rm" "-f" "f9c9ac9978243d83bd4a2d4fa8a65d53b780b6fbc007365e6c30a30d9ccb855f"`
[INFO] [stdout] f9c9ac9978243d83bd4a2d4fa8a65d53b780b6fbc007365e6c30a30d9ccb855f