[INFO] updating cached repository rinon/icfp2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rinon/icfp2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rinon/icfp2017" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/rinon/icfp2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/rinon/icfp2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rinon/icfp2017" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/rinon/icfp2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/rinon/icfp2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3455ef9fd322c79c97d4d9ac410b7342716d54cf
[INFO] sha for GitHub repo rinon/icfp2017: 3455ef9fd322c79c97d4d9ac410b7342716d54cf
[INFO] validating manifest of rinon/icfp2017 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rinon/icfp2017 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rinon/icfp2017
[INFO] finished frobbing rinon/icfp2017
[INFO] frobbed toml for rinon/icfp2017 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/rinon/icfp2017/Cargo.toml
[INFO] started frobbing rinon/icfp2017
[INFO] finished frobbing rinon/icfp2017
[INFO] frobbed toml for rinon/icfp2017 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/rinon/icfp2017/Cargo.toml
[INFO] crate rinon/icfp2017 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rinon/icfp2017 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/rinon/icfp2017:/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 739bbbeae59390175af6cf93d7e5108925b365eec825ee778b93c36772062124
[INFO] running `"docker" "start" "-a" "739bbbeae59390175af6cf93d7e5108925b365eec825ee778b93c36772062124"`
[INFO] [stderr]     Checking serde_bytes v0.10.1
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking punter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `iterations` is assigned to, but never used
[INFO] [stderr]    --> src/punter.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |         let mut iterations = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_iterations` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `iterations` is assigned to, but never used
[INFO] [stderr]    --> src/punter.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |         let mut iterations = 0;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_iterations` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handshake`
[INFO] [stderr]   --> src/bin/punter.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let handshake: protocol::HandshakeS = self.recv_message(reader)
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_handshake`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/bin/punter.rs:104:46
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 protocol::OfflineStop {stop, state}
[INFO] [stderr]     |                                              ^^^^^ help: try ignoring the field: `state: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stop`
[INFO] [stderr]    --> src/bin/punter.rs:104:40
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 protocol::OfflineStop {stop, state}
[INFO] [stderr]     |                                        ^^^^ help: try ignoring the field: `stop: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handshake`
[INFO] [stderr]   --> src/bin/punter.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let handshake: protocol::HandshakeS = self.recv_message(reader)
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_handshake`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/bin/punter.rs:104:46
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 protocol::OfflineStop {stop, state}
[INFO] [stderr]     |                                              ^^^^^ help: try ignoring the field: `state: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stop`
[INFO] [stderr]    --> src/bin/punter.rs:104:40
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 protocol::OfflineStop {stop, state}
[INFO] [stderr]     |                                        ^^^^ help: try ignoring the field: `stop: _`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `"docker" "inspect" "739bbbeae59390175af6cf93d7e5108925b365eec825ee778b93c36772062124"`
[INFO] running `"docker" "rm" "-f" "739bbbeae59390175af6cf93d7e5108925b365eec825ee778b93c36772062124"`
[INFO] [stdout] 739bbbeae59390175af6cf93d7e5108925b365eec825ee778b93c36772062124