[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6f0de06281aa1a230215073340a2177da76dcec16cbce797dd04b57ee50dd952
[INFO] running `"docker" "start" "-a" "6f0de06281aa1a230215073340a2177da76dcec16cbce797dd04b57ee50dd952"`
[INFO] [stderr]    Compiling rust_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "6f0de06281aa1a230215073340a2177da76dcec16cbce797dd04b57ee50dd952"`
[INFO] running `"docker" "rm" "-f" "6f0de06281aa1a230215073340a2177da76dcec16cbce797dd04b57ee50dd952"`
[INFO] [stdout] 6f0de06281aa1a230215073340a2177da76dcec16cbce797dd04b57ee50dd952
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 37238dcb867f1634078435b9417680e793703067ad207c9c11ec70934e60d147
[INFO] running `"docker" "start" "-a" "37238dcb867f1634078435b9417680e793703067ad207c9c11ec70934e60d147"`
[INFO] [stderr]    Compiling rust_tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "37238dcb867f1634078435b9417680e793703067ad207c9c11ec70934e60d147"`
[INFO] running `"docker" "rm" "-f" "37238dcb867f1634078435b9417680e793703067ad207c9c11ec70934e60d147"`
[INFO] [stdout] 37238dcb867f1634078435b9417680e793703067ad207c9c11ec70934e60d147
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e83d3eb009d02d5ab30990e20500e3ff0b3221cba45545da80279b5d95ec3c7e
[INFO] running `"docker" "start" "-a" "e83d3eb009d02d5ab30990e20500e3ff0b3221cba45545da80279b5d95ec3c7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tutorial-60a1c91df207ed0c
[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" "e83d3eb009d02d5ab30990e20500e3ff0b3221cba45545da80279b5d95ec3c7e"`
[INFO] running `"docker" "rm" "-f" "e83d3eb009d02d5ab30990e20500e3ff0b3221cba45545da80279b5d95ec3c7e"`
[INFO] [stdout] e83d3eb009d02d5ab30990e20500e3ff0b3221cba45545da80279b5d95ec3c7e