[INFO] updating cached repository gabriel-letarte/rust-exercises
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gabriel-letarte/rust-exercises
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gabriel-letarte/rust-exercises" "work/ex/beta-1.37-6/sources/1.36.0/gh/gabriel-letarte/rust-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gabriel-letarte/rust-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gabriel-letarte/rust-exercises" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gabriel-letarte/rust-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gabriel-letarte/rust-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f503559130ecbbae9b75cacd2e5880f339b2208
[INFO] sha for GitHub repo gabriel-letarte/rust-exercises: 4f503559130ecbbae9b75cacd2e5880f339b2208
[INFO] validating manifest of gabriel-letarte/rust-exercises 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 gabriel-letarte/rust-exercises 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 gabriel-letarte/rust-exercises
[INFO] finished frobbing gabriel-letarte/rust-exercises
[INFO] frobbed toml for gabriel-letarte/rust-exercises written to work/ex/beta-1.37-6/sources/1.36.0/gh/gabriel-letarte/rust-exercises/Cargo.toml
[INFO] started frobbing gabriel-letarte/rust-exercises
[INFO] finished frobbing gabriel-letarte/rust-exercises
[INFO] frobbed toml for gabriel-letarte/rust-exercises written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gabriel-letarte/rust-exercises/Cargo.toml
[INFO] crate gabriel-letarte/rust-exercises 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 gabriel-letarte/rust-exercises 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gabriel-letarte/rust-exercises:/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] 19b6c505cc1733e40da34e3ab913f62f234f4ebf741917d7601efb47ca6d026b
[INFO] running `"docker" "start" "-a" "19b6c505cc1733e40da34e3ab913f62f234f4ebf741917d7601efb47ca6d026b"`
[INFO] [stderr]    Compiling rust-exercises v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "19b6c505cc1733e40da34e3ab913f62f234f4ebf741917d7601efb47ca6d026b"`
[INFO] running `"docker" "rm" "-f" "19b6c505cc1733e40da34e3ab913f62f234f4ebf741917d7601efb47ca6d026b"`
[INFO] [stdout] 19b6c505cc1733e40da34e3ab913f62f234f4ebf741917d7601efb47ca6d026b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gabriel-letarte/rust-exercises:/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] da762cc17e07c107f0af5da81abbe4ae13279132178ae8740c40a9c12695fb79
[INFO] running `"docker" "start" "-a" "da762cc17e07c107f0af5da81abbe4ae13279132178ae8740c40a9c12695fb79"`
[INFO] [stderr]    Compiling rust-exercises v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "da762cc17e07c107f0af5da81abbe4ae13279132178ae8740c40a9c12695fb79"`
[INFO] running `"docker" "rm" "-f" "da762cc17e07c107f0af5da81abbe4ae13279132178ae8740c40a9c12695fb79"`
[INFO] [stdout] da762cc17e07c107f0af5da81abbe4ae13279132178ae8740c40a9c12695fb79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gabriel-letarte/rust-exercises:/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] 0cdee599ccfb19b3cce14e1d1c960cd2a756c69fd1fb51dc2ca376d7c2737f1c
[INFO] running `"docker" "start" "-a" "0cdee599ccfb19b3cce14e1d1c960cd2a756c69fd1fb51dc2ca376d7c2737f1c"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exercises-479eaa131b3cd5fa
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0cdee599ccfb19b3cce14e1d1c960cd2a756c69fd1fb51dc2ca376d7c2737f1c"`
[INFO] running `"docker" "rm" "-f" "0cdee599ccfb19b3cce14e1d1c960cd2a756c69fd1fb51dc2ca376d7c2737f1c"`
[INFO] [stdout] 0cdee599ccfb19b3cce14e1d1c960cd2a756c69fd1fb51dc2ca376d7c2737f1c