[INFO] cloning repository https://github.com/drewwyatt/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drewwyatt/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewwyatt%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewwyatt%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 99d9e69f89cbf9d7c575980a8a4209534531414c [INFO] checking drewwyatt/advent-of-code-2020 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewwyatt%2Fadvent-of-code-2020" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/drewwyatt/advent-of-code-2020 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/drewwyatt/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/drewwyatt/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/drewwyatt/advent-of-code-2020 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/drewwyatt/advent-of-code-2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b9ee987f4cdcbc252354409d11c28ffc699975bdf61a522890ae05190896b02 [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" "0b9ee987f4cdcbc252354409d11c28ffc699975bdf61a522890ae05190896b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b9ee987f4cdcbc252354409d11c28ffc699975bdf61a522890ae05190896b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b9ee987f4cdcbc252354409d11c28ffc699975bdf61a522890ae05190896b02", kill_on_drop: false }` [INFO] [stdout] 0b9ee987f4cdcbc252354409d11c28ffc699975bdf61a522890ae05190896b02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3625727fd4337ecbabda2b0519d823ec82d01349ecc34c5785aa6596966e5bdf [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" "3625727fd4337ecbabda2b0519d823ec82d01349ecc34c5785aa6596966e5bdf", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/day-5/input.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn new(code: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/day-4/input.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | doc.add(&cap); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/day-8/main.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | fn part_2(mut input: Vec) -> i32 { [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/bin/day-8/main.rs:42:7 [INFO] [stdout] | [INFO] [stdout] 42 | let mut acc = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/day-5/input.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn new(code: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/day-8/main.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | fn part_2(mut input: Vec) -> i32 { [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/bin/day-8/main.rs:42:7 [INFO] [stdout] | [INFO] [stdout] 42 | let mut acc = 0; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/day-4/input.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | doc.add(&cap); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.32s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3625727fd4337ecbabda2b0519d823ec82d01349ecc34c5785aa6596966e5bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3625727fd4337ecbabda2b0519d823ec82d01349ecc34c5785aa6596966e5bdf", kill_on_drop: false }` [INFO] [stdout] 3625727fd4337ecbabda2b0519d823ec82d01349ecc34c5785aa6596966e5bdf