[INFO] cloning repository https://github.com/fireyang/advent_of_code_2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fireyang/advent_of_code_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffireyang%2Fadvent_of_code_2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffireyang%2Fadvent_of_code_2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7e7ea3eff7cc54c149ef48a237ac08be927ddb0 [INFO] checking fireyang/advent_of_code_2019 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffireyang%2Fadvent_of_code_2019" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fireyang/advent_of_code_2019 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fireyang/advent_of_code_2019 [INFO] finished tweaking git repo https://github.com/fireyang/advent_of_code_2019 [INFO] tweaked toml for git repo https://github.com/fireyang/advent_of_code_2019 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/fireyang/advent_of_code_2019 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f5feceec612c5f5719fa552fb7d49152d5768668a0f2c27cdb18cef14e0aa6c5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f5feceec612c5f5719fa552fb7d49152d5768668a0f2c27cdb18cef14e0aa6c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5feceec612c5f5719fa552fb7d49152d5768668a0f2c27cdb18cef14e0aa6c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5feceec612c5f5719fa552fb7d49152d5768668a0f2c27cdb18cef14e0aa6c5", kill_on_drop: false }` [INFO] [stdout] f5feceec612c5f5719fa552fb7d49152d5768668a0f2c27cdb18cef14e0aa6c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ec34bf8c63093299a8c916af14831985f12ba0feca1f3b51301e940ea0ef81d9 [INFO] running `Command { std: "docker" "start" "-a" "ec34bf8c63093299a8c916af14831985f12ba0feca1f3b51301e940ea0ef81d9", kill_on_drop: false }` [INFO] [stderr] Checking advent_of_code_2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/day8.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/day8.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/day8.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut idx = 0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/day8.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut idx = 0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/day8.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut idx = 0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/day8.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut idx = 0; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut idx = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut last = digit_num.last_mut().unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut idx = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let mut last = layers.last_mut().unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut idx = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut last = digit_num.last_mut().unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut idx = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let mut last = layers.last_mut().unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `day8_part1` [INFO] [stdout] --> src/day8.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | fn day8_part1() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "ec34bf8c63093299a8c916af14831985f12ba0feca1f3b51301e940ea0ef81d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec34bf8c63093299a8c916af14831985f12ba0feca1f3b51301e940ea0ef81d9", kill_on_drop: false }` [INFO] [stdout] ec34bf8c63093299a8c916af14831985f12ba0feca1f3b51301e940ea0ef81d9