[INFO] updating cached repository https://github.com/sethsamuel/adventofcode-2018 [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] 6644d3395ce6f7ef4cdb9629c38d348d3efdd905 [INFO] checking sethsamuel/adventofcode-2018 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsethsamuel%2Fadventofcode-2018" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sethsamuel/adventofcode-2018 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sethsamuel/adventofcode-2018 [INFO] finished tweaking git repo https://github.com/sethsamuel/adventofcode-2018 [INFO] tweaked toml for git repo https://github.com/sethsamuel/adventofcode-2018 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/sethsamuel/adventofcode-2018 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 0592285b9a2c1d28452d42194f0451669593068c405965995e6a42d4242b896f [INFO] running `"docker" "start" "-a" "0592285b9a2c1d28452d42194f0451669593068c405965995e6a42d4242b896f"` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking clicolors-control v0.3.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking number_prefix v0.2.8 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Checking skiplist v0.2.10 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking parking_lot v0.7.0 [INFO] [stderr] Checking console v0.7.0 [INFO] [stderr] Checking indicatif v0.10.1 [INFO] [stderr] Checking dialoguer v0.3.0 [INFO] [stderr] Checking adventofcode-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:35:41 [INFO] [stderr] | [INFO] [stderr] 35 | fn _puzzle_prompt() -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:35:41 [INFO] [stderr] | [INFO] [stderr] 35 | fn _puzzle_prompt() -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `total_plants` is assigned to, but never used [INFO] [stderr] --> src/day_12/mod.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let mut total_plants = initial_state.clone().filter(|c| *c == PLANT).count(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_total_plants` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/day_7/mod.rs:155:25 [INFO] [stderr] | [INFO] [stderr] 155 | let mut next_step = next_steps[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 `total_plants` is assigned to, but never used [INFO] [stderr] --> src/day_12/mod.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let mut total_plants = initial_state.clone().filter(|c| *c == PLANT).count(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_total_plants` instead [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/day_7/mod.rs:155:25 [INFO] [stderr] | [INFO] [stderr] 155 | let mut next_step = next_steps[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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.57s [INFO] running `"docker" "inspect" "0592285b9a2c1d28452d42194f0451669593068c405965995e6a42d4242b896f"` [INFO] running `"docker" "rm" "-f" "0592285b9a2c1d28452d42194f0451669593068c405965995e6a42d4242b896f"` [INFO] [stdout] 0592285b9a2c1d28452d42194f0451669593068c405965995e6a42d4242b896f