[INFO] updating cached repository YZY74224/learning_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/YZY74224/learning_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/YZY74224/learning_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/YZY74224/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/YZY74224/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/YZY74224/learning_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/YZY74224/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/YZY74224/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8ebf5311954bee4972dd9abb67d48073a42576a
[INFO] sha for GitHub repo YZY74224/learning_rust: d8ebf5311954bee4972dd9abb67d48073a42576a
[INFO] validating manifest of YZY74224/learning_rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of YZY74224/learning_rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing YZY74224/learning_rust
[INFO] finished frobbing YZY74224/learning_rust
[INFO] frobbed toml for YZY74224/learning_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/YZY74224/learning_rust/Cargo.toml
[INFO] started frobbing YZY74224/learning_rust
[INFO] finished frobbing YZY74224/learning_rust
[INFO] frobbed toml for YZY74224/learning_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/YZY74224/learning_rust/Cargo.toml
[INFO] crate YZY74224/learning_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing YZY74224/learning_rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/YZY74224/learning_rust:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 438041048ccf00c5c0a1716e0bd5673acb4a1f118dcaa8d95b79a0d94a35b181
[INFO] running `"docker" "start" "-a" "438041048ccf00c5c0a1716e0bd5673acb4a1f118dcaa8d95b79a0d94a35b181"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "438041048ccf00c5c0a1716e0bd5673acb4a1f118dcaa8d95b79a0d94a35b181"`
[INFO] running `"docker" "rm" "-f" "438041048ccf00c5c0a1716e0bd5673acb4a1f118dcaa8d95b79a0d94a35b181"`
[INFO] [stdout] 438041048ccf00c5c0a1716e0bd5673acb4a1f118dcaa8d95b79a0d94a35b181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/YZY74224/learning_rust:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 321b5291fb930f4544bf5ec4a54560fa08a8aec395d96c69e7aecfdd39c7a038
[INFO] running `"docker" "start" "-a" "321b5291fb930f4544bf5ec4a54560fa08a8aec395d96c69e7aecfdd39c7a038"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "321b5291fb930f4544bf5ec4a54560fa08a8aec395d96c69e7aecfdd39c7a038"`
[INFO] running `"docker" "rm" "-f" "321b5291fb930f4544bf5ec4a54560fa08a8aec395d96c69e7aecfdd39c7a038"`
[INFO] [stdout] 321b5291fb930f4544bf5ec4a54560fa08a8aec395d96c69e7aecfdd39c7a038
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/YZY74224/learning_rust:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ed6e0f682f238e0b87a7af154dc33b48af27c44e24d17f18a9d18390a13a26d0
[INFO] running `"docker" "start" "-a" "ed6e0f682f238e0b87a7af154dc33b48af27c44e24d17f18a9d18390a13a26d0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-b11ef664792947e5
[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" "ed6e0f682f238e0b87a7af154dc33b48af27c44e24d17f18a9d18390a13a26d0"`
[INFO] running `"docker" "rm" "-f" "ed6e0f682f238e0b87a7af154dc33b48af27c44e24d17f18a9d18390a13a26d0"`
[INFO] [stdout] ed6e0f682f238e0b87a7af154dc33b48af27c44e24d17f18a9d18390a13a26d0