[INFO] updating cached repository lshlyapnikov/grokking-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lshlyapnikov/grokking-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lshlyapnikov/grokking-rust" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lshlyapnikov/grokking-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lshlyapnikov/grokking-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lshlyapnikov/grokking-rust" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/lshlyapnikov/grokking-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/lshlyapnikov/grokking-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32a6326f7d1443ec01c0a022a8bf14d260729d80
[INFO] sha for GitHub repo lshlyapnikov/grokking-rust: 32a6326f7d1443ec01c0a022a8bf14d260729d80
[INFO] validating manifest of lshlyapnikov/grokking-rust on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lshlyapnikov/grokking-rust on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lshlyapnikov/grokking-rust
[INFO] finished frobbing lshlyapnikov/grokking-rust
[INFO] frobbed toml for lshlyapnikov/grokking-rust written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lshlyapnikov/grokking-rust/Cargo.toml
[INFO] started frobbing lshlyapnikov/grokking-rust
[INFO] finished frobbing lshlyapnikov/grokking-rust
[INFO] frobbed toml for lshlyapnikov/grokking-rust written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/lshlyapnikov/grokking-rust/Cargo.toml
[INFO] crate lshlyapnikov/grokking-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lshlyapnikov/grokking-rust against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-3/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/lshlyapnikov/grokking-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0f620e66c879607d0652be0d24f831b354f48345ae1d244d155d01ad5423f6b5
[INFO] running `"docker" "start" "-a" "0f620e66c879607d0652be0d24f831b354f48345ae1d244d155d01ad5423f6b5"`
[INFO] [stderr]     Checking libc v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking advapi32-sys v0.1.2
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking log v0.3.5
[INFO] [stderr]     Checking rand v0.3.13
[INFO] [stderr]     Checking aho-corasick v0.4.1
[INFO] [stderr]     Checking regex v0.1.48
[INFO] [stderr]     Checking env_logger v0.3.2
[INFO] [stderr]     Checking quickcheck v0.2.25
[INFO] [stderr]     Checking grokking-rust v0.0.1 (/opt/crater/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: 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] 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 5.58s
[INFO] running `"docker" "inspect" "0f620e66c879607d0652be0d24f831b354f48345ae1d244d155d01ad5423f6b5"`
[INFO] running `"docker" "rm" "-f" "0f620e66c879607d0652be0d24f831b354f48345ae1d244d155d01ad5423f6b5"`
[INFO] [stdout] 0f620e66c879607d0652be0d24f831b354f48345ae1d244d155d01ad5423f6b5