[INFO] updating cached repository https://github.com/vindvaki/advent-of-code-2018 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] ba6896551d975e0c96880a06c1ec885501b17315 [INFO] checking vindvaki/advent-of-code-2018 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvindvaki%2Fadvent-of-code-2018" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vindvaki/advent-of-code-2018 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/vindvaki/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/vindvaki/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/vindvaki/advent-of-code-2018 written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/vindvaki/advent-of-code-2018 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a41fb1b0d5a7d96174bd66a71f5b83c086640398a5b93d19ee39d20d3f72ead6 [INFO] running `"docker" "start" "-a" "a41fb1b0d5a7d96174bd66a71f5b83c086640398a5b93d19ee39d20d3f72ead6"` [INFO] [stderr] Checking approx v0.3.1 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking alga v0.7.2 [INFO] [stderr] Checking nalgebra v0.16.12 [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44 [INFO] [stderr] | [INFO] [stderr] 291 | self[(j, i)] += shift[j] * self[(D::dim() - 1, i)]; [INFO] [stderr] | ---------------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking aoc2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/bin/day_12.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | let mut sum;; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day_07.rs:167:17 [INFO] [stderr] | [INFO] [stderr] 167 | let mut dependencies = self.dependent_to_dependencies.get_mut(&dependent).unwrap(); [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/day_07.rs:167:17 [INFO] [stderr] | [INFO] [stderr] 167 | let mut dependencies = self.dependent_to_dependencies.get_mut(&dependent).unwrap(); [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/day_04.rs:74:25 [INFO] [stderr] | [INFO] [stderr] 74 | let mut minutes = guard_minutes [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/day_04.rs:74:25 [INFO] [stderr] | [INFO] [stderr] 74 | let mut minutes = guard_minutes [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 variable: `msg` [INFO] [stderr] --> src/bin/day_10.rs:180:13 [INFO] [stderr] | [INFO] [stderr] 180 | let msg = part_1(&points).unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_msg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/bin/day_12.rs:89:17 [INFO] [stderr] | [INFO] [stderr] 89 | let mut sum;; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/bin/day_16.rs:243:23 [INFO] [stderr] | [INFO] [stderr] 243 | .filter(|(name, op)| op(sample.args, sample.before) == sample.after) [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.15s [INFO] running `"docker" "inspect" "a41fb1b0d5a7d96174bd66a71f5b83c086640398a5b93d19ee39d20d3f72ead6"` [INFO] running `"docker" "rm" "-f" "a41fb1b0d5a7d96174bd66a71f5b83c086640398a5b93d19ee39d20d3f72ead6"` [INFO] [stdout] a41fb1b0d5a7d96174bd66a71f5b83c086640398a5b93d19ee39d20d3f72ead6