[INFO] updating cached repository SaturnTeam/rust-algorithms
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SaturnTeam/rust-algorithms
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SaturnTeam/rust-algorithms" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/SaturnTeam/rust-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/SaturnTeam/rust-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SaturnTeam/rust-algorithms" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SaturnTeam/rust-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SaturnTeam/rust-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 285781471f85260557e7b4c7abe2a364be9dd5b8
[INFO] sha for GitHub repo SaturnTeam/rust-algorithms: 285781471f85260557e7b4c7abe2a364be9dd5b8
[INFO] validating manifest of SaturnTeam/rust-algorithms on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SaturnTeam/rust-algorithms on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SaturnTeam/rust-algorithms
[INFO] finished frobbing SaturnTeam/rust-algorithms
[INFO] frobbed toml for SaturnTeam/rust-algorithms written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/SaturnTeam/rust-algorithms/Cargo.toml
[INFO] started frobbing SaturnTeam/rust-algorithms
[INFO] finished frobbing SaturnTeam/rust-algorithms
[INFO] frobbed toml for SaturnTeam/rust-algorithms written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SaturnTeam/rust-algorithms/Cargo.toml
[INFO] crate SaturnTeam/rust-algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking SaturnTeam/rust-algorithms against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SaturnTeam/rust-algorithms:/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c0a1c7bc64be1a9d426a6af09c06d656c23cb53abafec24db8db88206126c04
[INFO] running `"docker" "start" "-a" "1c0a1c7bc64be1a9d426a6af09c06d656c23cb53abafec24db8db88206126c04"`
[INFO] [stderr]     Checking a v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]  --> src/alg/max_pq.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::rand::{thread_rng, Rng};
[INFO] [stderr]   |                  ^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]  --> src/alg/max_pq.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::rand::{thread_rng, Rng};
[INFO] [stderr]   |                  ^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/alg/uf.rs:182:28
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let count = first_line.trim_right().parse::<usize>().unwrap();
[INFO] [stderr]     |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/alg/max_pq.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             Err(MyError::new("Priority queue underflow"));
[INFO] [stderr]    |             ^^^ cannot infer type for `T`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `a`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/alg/uf.rs:182:28
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let count = first_line.trim_right().parse::<usize>().unwrap();
[INFO] [stderr]     |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/alg/max_pq.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             Err(MyError::new("Priority queue underflow"));
[INFO] [stderr]    |             ^^^ cannot infer type for `T`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `a`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1c0a1c7bc64be1a9d426a6af09c06d656c23cb53abafec24db8db88206126c04"`
[INFO] running `"docker" "rm" "-f" "1c0a1c7bc64be1a9d426a6af09c06d656c23cb53abafec24db8db88206126c04"`
[INFO] [stdout] 1c0a1c7bc64be1a9d426a6af09c06d656c23cb53abafec24db8db88206126c04