[INFO] updating cached repository https://github.com/lshlyapnikov/grokking-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32a6326f7d1443ec01c0a022a8bf14d260729d80
[INFO] testing lshlyapnikov/grokking-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flshlyapnikov%2Fgrokking-rust" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lshlyapnikov/grokking-rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lshlyapnikov/grokking-rust
[INFO] finished tweaking git repo https://github.com/lshlyapnikov/grokking-rust
[INFO] tweaked toml for git repo https://github.com/lshlyapnikov/grokking-rust written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lshlyapnikov/grokking-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 0376d5f5dd1eae992308458bd24dc8f334b9fe7473ef61755ccd21bf61ed1eeb
[INFO] running `"docker" "start" "-a" "0376d5f5dd1eae992308458bd24dc8f334b9fe7473ef61755ccd21bf61ed1eeb"`
[INFO] [stderr]    Compiling libc v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.2.2
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling memchr v0.1.7
[INFO] [stderr]    Compiling log v0.3.5
[INFO] [stderr]    Compiling rand v0.3.13
[INFO] [stderr]    Compiling aho-corasick v0.4.1
[INFO] [stderr]    Compiling regex v0.1.48
[INFO] [stderr]    Compiling env_logger v0.3.2
[INFO] [stderr]    Compiling quickcheck v0.2.25
[INFO] [stderr]    Compiling grokking-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `volumes`
[INFO] [stderr]   --> src/grok/waterpouring.rs:40:7
[INFO] [stderr]    |
[INFO] [stderr] 40 |   let volumes: Vec<usize> = vec![0, max_volumes.len()];
[INFO] [stderr]    |       ^^^^^^^ help: consider prefixing with an underscore: `_volumes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `required_volume`
[INFO] [stderr]   --> src/grok/waterpouring.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn solve(max_volumes: &Vec<usize>, required_volume: usize) -> State {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_required_volume`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fill`
[INFO] [stderr]  --> src/grok/waterpouring.rs:5:3
[INFO] [stderr]   |
[INFO] [stderr] 5 |   Fill { glass: usize },
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/grok/waterpouring.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   Empty { glass: usize },
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Transfer`
[INFO] [stderr]  --> src/grok/waterpouring.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   Transfer { from: usize, to: usize },
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]   --> src/grok/waterpouring.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn solve(max_volumes: &Vec<usize>, required_volume: usize) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `"docker" "inspect" "0376d5f5dd1eae992308458bd24dc8f334b9fe7473ef61755ccd21bf61ed1eeb"`
[INFO] running `"docker" "rm" "-f" "0376d5f5dd1eae992308458bd24dc8f334b9fe7473ef61755ccd21bf61ed1eeb"`
[INFO] [stdout] 0376d5f5dd1eae992308458bd24dc8f334b9fe7473ef61755ccd21bf61ed1eeb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 36698fc44bc4d535c9bbfea64e0c8d0b5cec3f38500a0c3ede07169203015b16
[INFO] running `"docker" "start" "-a" "36698fc44bc4d535c9bbfea64e0c8d0b5cec3f38500a0c3ede07169203015b16"`
[INFO] [stderr]    Compiling grokking-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `volumes`
[INFO] [stderr]   --> src/grok/waterpouring.rs:40:7
[INFO] [stderr]    |
[INFO] [stderr] 40 |   let volumes: Vec<usize> = vec![0, max_volumes.len()];
[INFO] [stderr]    |       ^^^^^^^ help: consider prefixing with an underscore: `_volumes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `required_volume`
[INFO] [stderr]   --> src/grok/waterpouring.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn solve(max_volumes: &Vec<usize>, required_volume: usize) -> State {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_required_volume`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fill`
[INFO] [stderr]  --> src/grok/waterpouring.rs:5:3
[INFO] [stderr]   |
[INFO] [stderr] 5 |   Fill { glass: usize },
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/grok/waterpouring.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   Empty { glass: usize },
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Transfer`
[INFO] [stderr]  --> src/grok/waterpouring.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   Transfer { from: usize, to: usize },
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]   --> src/grok/waterpouring.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn solve(max_volumes: &Vec<usize>, required_volume: usize) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "36698fc44bc4d535c9bbfea64e0c8d0b5cec3f38500a0c3ede07169203015b16"`
[INFO] running `"docker" "rm" "-f" "36698fc44bc4d535c9bbfea64e0c8d0b5cec3f38500a0c3ede07169203015b16"`
[INFO] [stdout] 36698fc44bc4d535c9bbfea64e0c8d0b5cec3f38500a0c3ede07169203015b16
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] aa141ed1ebf91048c9e59fc3ee0c693cf232f657d32235af07d401ee2100d248
[INFO] running `"docker" "start" "-a" "aa141ed1ebf91048c9e59fc3ee0c693cf232f657d32235af07d401ee2100d248"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grokking_rust-9771255877f6c158
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_mergesort ... 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" "aa141ed1ebf91048c9e59fc3ee0c693cf232f657d32235af07d401ee2100d248"`
[INFO] running `"docker" "rm" "-f" "aa141ed1ebf91048c9e59fc3ee0c693cf232f657d32235af07d401ee2100d248"`
[INFO] [stdout] aa141ed1ebf91048c9e59fc3ee0c693cf232f657d32235af07d401ee2100d248