[INFO] updating cached repository Mathieu-Desrochers/Learning-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mathieu-Desrochers/Learning-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mathieu-Desrochers/Learning-Rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Mathieu-Desrochers/Learning-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Mathieu-Desrochers/Learning-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mathieu-Desrochers/Learning-Rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Mathieu-Desrochers/Learning-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Mathieu-Desrochers/Learning-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9d11ddc65499029b740fbfe10a373792bea40b37
[INFO] sha for GitHub repo Mathieu-Desrochers/Learning-Rust: 9d11ddc65499029b740fbfe10a373792bea40b37
[INFO] validating manifest of Mathieu-Desrochers/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 Mathieu-Desrochers/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 Mathieu-Desrochers/Learning-Rust
[INFO] finished frobbing Mathieu-Desrochers/Learning-Rust
[INFO] frobbed toml for Mathieu-Desrochers/Learning-Rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Mathieu-Desrochers/Learning-Rust/Cargo.toml
[INFO] started frobbing Mathieu-Desrochers/Learning-Rust
[INFO] finished frobbing Mathieu-Desrochers/Learning-Rust
[INFO] frobbed toml for Mathieu-Desrochers/Learning-Rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Mathieu-Desrochers/Learning-Rust/Cargo.toml
[INFO] crate Mathieu-Desrochers/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 Mathieu-Desrochers/Learning-Rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Mathieu-Desrochers/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 20b42a82cdacd1da29e984d678982483a846569e4cd41e838d68a47607aeca3c
[INFO] running `"docker" "start" "-a" "20b42a82cdacd1da29e984d678982483a846569e4cd41e838d68a47607aeca3c"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "20b42a82cdacd1da29e984d678982483a846569e4cd41e838d68a47607aeca3c"`
[INFO] running `"docker" "rm" "-f" "20b42a82cdacd1da29e984d678982483a846569e4cd41e838d68a47607aeca3c"`
[INFO] [stdout] 20b42a82cdacd1da29e984d678982483a846569e4cd41e838d68a47607aeca3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Mathieu-Desrochers/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51a2ad17176abded73ce58a1388e6068d1dbf3e3dcec82f470f0d3ab8ecf49d7
[INFO] running `"docker" "start" "-a" "51a2ad17176abded73ce58a1388e6068d1dbf3e3dcec82f470f0d3ab8ecf49d7"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "51a2ad17176abded73ce58a1388e6068d1dbf3e3dcec82f470f0d3ab8ecf49d7"`
[INFO] running `"docker" "rm" "-f" "51a2ad17176abded73ce58a1388e6068d1dbf3e3dcec82f470f0d3ab8ecf49d7"`
[INFO] [stdout] 51a2ad17176abded73ce58a1388e6068d1dbf3e3dcec82f470f0d3ab8ecf49d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Mathieu-Desrochers/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] af59141325bbf7c5bd5976f420ad19b2bbb319395510eb10c2ee42bea3e4c515
[INFO] running `"docker" "start" "-a" "af59141325bbf7c5bd5976f420ad19b2bbb319395510eb10c2ee42bea3e4c515"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-8ead15a6487bfb40
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_tests-f072f918d2afe137
[INFO] [stdout] test unit_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "af59141325bbf7c5bd5976f420ad19b2bbb319395510eb10c2ee42bea3e4c515"`
[INFO] running `"docker" "rm" "-f" "af59141325bbf7c5bd5976f420ad19b2bbb319395510eb10c2ee42bea3e4c515"`
[INFO] [stdout] af59141325bbf7c5bd5976f420ad19b2bbb319395510eb10c2ee42bea3e4c515