[INFO] updating cached repository https://github.com/cleech/adventofcode2016 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] caab75d8a62b0f0fc1b33a91b81d1d045917d237 [INFO] checking cleech/adventofcode2016 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcleech%2Fadventofcode2016" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cleech/adventofcode2016 on toolchain e922e6444795ab795fab1943288aee3d543699b8 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "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-8/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" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] 4e1737f4bd9bbac1ee29c13b35500f1f089695d92d7cf2ff84d85cc49354c2e3 [INFO] running `"docker" "start" "-a" "4e1737f4bd9bbac1ee29c13b35500f1f089695d92d7cf2ff84d85cc49354c2e3"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking unicode-segmentation v0.1.3 [INFO] [stderr] Checking either v1.0.2 [INFO] [stderr] Checking scan_fmt v0.1.1 [INFO] [stderr] Checking permutohedron v0.2.2 [INFO] [stderr] Checking nom v2.0.1 [INFO] [stderr] Checking term_size v0.2.1 [INFO] [stderr] Checking num_cpus v1.2.1 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking nalgebra v0.10.1 [INFO] [stderr] Checking itertools v0.5.8 [INFO] [stderr] Checking clap v2.19.3 [INFO] [stderr] Checking adventofcode2016 v0.1.0 (/opt/rustwide/workdir) [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: 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 outside of the current crate (in Nightly builds, run with -Z external-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 outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [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: consider prefixing with an underscore: `_to` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [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] 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] error: could not compile `adventofcode2016`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] error: could not compile `adventofcode2016`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: 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: unused `#[macro_use]` import [INFO] [stderr] --> src/bin/day11-astar.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "4e1737f4bd9bbac1ee29c13b35500f1f089695d92d7cf2ff84d85cc49354c2e3"` [INFO] running `"docker" "rm" "-f" "4e1737f4bd9bbac1ee29c13b35500f1f089695d92d7cf2ff84d85cc49354c2e3"` [INFO] [stdout] 4e1737f4bd9bbac1ee29c13b35500f1f089695d92d7cf2ff84d85cc49354c2e3