[INFO] cloning repository https://github.com/cleech/adventofcode2016 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cleech/adventofcode2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcleech%2Fadventofcode2016"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcleech%2Fadventofcode2016'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] caab75d8a62b0f0fc1b33a91b81d1d045917d237 [INFO] checking cleech/adventofcode2016 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcleech%2Fadventofcode2016" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cleech/adventofcode2016 on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cleech/adventofcode2016 [INFO] finished tweaking git repo https://github.com/cleech/adventofcode2016 [INFO] tweaked toml for git repo https://github.com/cleech/adventofcode2016 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/cleech/adventofcode2016 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ff1ec6f3ef80a68cc107bdd6504ac2f26d336b4e17fe3a078882c275264950a7 [INFO] running `"docker" "start" "-a" "ff1ec6f3ef80a68cc107bdd6504ac2f26d336b4e17fe3a078882c275264950a7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking libc v0.2.18 [INFO] [stderr] Checking rustc-serialize v0.3.22 [INFO] [stderr] Checking either v1.0.2 [INFO] [stderr] Checking strsim v0.5.2 [INFO] [stderr] Checking fnv v1.0.5 [INFO] [stderr] Checking scan_fmt v0.1.1 [INFO] [stderr] Checking nom v2.0.1 [INFO] [stderr] Checking permutohedron v0.2.2 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking itertools v0.5.8 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking term_size v0.2.1 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking num_cpus v1.2.1 [INFO] [stderr] Checking clap v2.19.3 [INFO] [stderr] Checking num-bigint v0.1.35 [INFO] [stderr] Checking num-complex v0.1.35 [INFO] [stderr] Checking num-rational v0.1.35 [INFO] [stderr] Checking num v0.1.36 [INFO] [stderr] Checking nalgebra v0.10.1 [INFO] [stderr] Checking adventofcode2016 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/bin/day10.rs:104:1 [INFO] [stderr] | [INFO] [stderr] 104 | / lazy_static! { [INFO] [stderr] 105 | | static ref CHAN: (Mutex>, Mutex>) = { [INFO] [stderr] 106 | | let (tx, rx) = mpsc::channel(); [INFO] [stderr] 107 | | (Mutex::new(tx), Mutex::new(rx)) [INFO] [stderr] 108 | | }; [INFO] [stderr] 109 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/bin/day10.rs:104:1 [INFO] [stderr] | [INFO] [stderr] 104 | / lazy_static! { [INFO] [stderr] 105 | | static ref CHAN: (Mutex>, Mutex>) = { [INFO] [stderr] 106 | | let (tx, rx) = mpsc::channel(); [INFO] [stderr] 107 | | (Mutex::new(tx), Mutex::new(rx)) [INFO] [stderr] 108 | | }; [INFO] [stderr] 109 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/bin/day19.rs:23:37 [INFO] [stderr] | [INFO] [stderr] 23 | let mut q = VecDeque::from_iter((1..count+1)); [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `to` [INFO] [stderr] --> src/bin/day22.rs:131:41 [INFO] [stderr] | [INFO] [stderr] 131 | fn move_gap(&mut self, from: Coord, to: Coord) -> Result { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_to` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0635]: unknown feature `step_by` [INFO] [stderr] --> src/bin/day15.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(step_by)] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/bin/day12.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day06.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let mut counter = hashvec[i].entry(char::from_u32(b[i] as u32).unwrap()).or_insert(0); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day06.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let mut counter = hashvec[i].entry(char::from_u32(b[i] as u32).unwrap()).or_insert(0); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error: could not compile `adventofcode2016`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/bin/day10.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/bin/day25.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "ff1ec6f3ef80a68cc107bdd6504ac2f26d336b4e17fe3a078882c275264950a7"` [INFO] running `"docker" "rm" "-f" "ff1ec6f3ef80a68cc107bdd6504ac2f26d336b4e17fe3a078882c275264950a7"` [INFO] [stdout] ff1ec6f3ef80a68cc107bdd6504ac2f26d336b4e17fe3a078882c275264950a7