[INFO] updating cached repository meriy100/RustTutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/meriy100/RustTutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/meriy100/RustTutorial" "work/ex/beta-1.38-1/sources/1.37.0/gh/meriy100/RustTutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/meriy100/RustTutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meriy100/RustTutorial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/meriy100/RustTutorial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/meriy100/RustTutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e931147a7ecd9413f8bebd16422fa22090c8c548
[INFO] sha for GitHub repo meriy100/RustTutorial: e931147a7ecd9413f8bebd16422fa22090c8c548
[INFO] validating manifest of meriy100/RustTutorial 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 meriy100/RustTutorial 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 meriy100/RustTutorial
[INFO] finished frobbing meriy100/RustTutorial
[INFO] frobbed toml for meriy100/RustTutorial written to work/ex/beta-1.38-1/sources/1.37.0/gh/meriy100/RustTutorial/Cargo.toml
[INFO] started frobbing meriy100/RustTutorial
[INFO] finished frobbing meriy100/RustTutorial
[INFO] frobbed toml for meriy100/RustTutorial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/meriy100/RustTutorial/Cargo.toml
[INFO] crate meriy100/RustTutorial 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing meriy100/RustTutorial 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/meriy100/RustTutorial:/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] 1e9d7eb5ac693fc7d22b8744be3bbc5b4a2f2f24443e6095c2bb65bdaccb9d7f
[INFO] running `"docker" "start" "-a" "1e9d7eb5ac693fc7d22b8744be3bbc5b4a2f2f24443e6095c2bb65bdaccb9d7f"`
[INFO] [stderr]    Compiling rust_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "1e9d7eb5ac693fc7d22b8744be3bbc5b4a2f2f24443e6095c2bb65bdaccb9d7f"`
[INFO] running `"docker" "rm" "-f" "1e9d7eb5ac693fc7d22b8744be3bbc5b4a2f2f24443e6095c2bb65bdaccb9d7f"`
[INFO] [stdout] 1e9d7eb5ac693fc7d22b8744be3bbc5b4a2f2f24443e6095c2bb65bdaccb9d7f
[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/meriy100/RustTutorial:/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] b0ffc07b94af42bd79218180361a9e1df101dd343a6d6996589857788e3dd3c9
[INFO] running `"docker" "start" "-a" "b0ffc07b94af42bd79218180361a9e1df101dd343a6d6996589857788e3dd3c9"`
[INFO] [stderr]    Compiling rust_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "b0ffc07b94af42bd79218180361a9e1df101dd343a6d6996589857788e3dd3c9"`
[INFO] running `"docker" "rm" "-f" "b0ffc07b94af42bd79218180361a9e1df101dd343a6d6996589857788e3dd3c9"`
[INFO] [stdout] b0ffc07b94af42bd79218180361a9e1df101dd343a6d6996589857788e3dd3c9
[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/meriy100/RustTutorial:/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] aae1c3bd483939a31ba6afe2fcd0d8e8b130b8819ed07636f55b24db017c7ca8
[INFO] running `"docker" "start" "-a" "aae1c3bd483939a31ba6afe2fcd0d8e8b130b8819ed07636f55b24db017c7ca8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tutorial-150e0bed67c7f2f5
[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" "aae1c3bd483939a31ba6afe2fcd0d8e8b130b8819ed07636f55b24db017c7ca8"`
[INFO] running `"docker" "rm" "-f" "aae1c3bd483939a31ba6afe2fcd0d8e8b130b8819ed07636f55b24db017c7ca8"`
[INFO] [stdout] aae1c3bd483939a31ba6afe2fcd0d8e8b130b8819ed07636f55b24db017c7ca8