[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#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewwyatt%2Fadvent-of-code-2020" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [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-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/drewwyatt/advent-of-code-2020 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0888d92f4d942fb76148ba897a3f5bd924d4f50d3cb96c1adf44b6167dc4ff8b [INFO] running `Command { std: "docker" "start" "-a" "0888d92f4d942fb76148ba897a3f5bd924d4f50d3cb96c1adf44b6167dc4ff8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0888d92f4d942fb76148ba897a3f5bd924d4f50d3cb96c1adf44b6167dc4ff8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0888d92f4d942fb76148ba897a3f5bd924d4f50d3cb96c1adf44b6167dc4ff8b", kill_on_drop: false }` [INFO] [stdout] 0888d92f4d942fb76148ba897a3f5bd924d4f50d3cb96c1adf44b6167dc4ff8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 751010fdaf6ca82a47d4baca4ece31353cf61d0a205fdc0ea662169df3d9e20c [INFO] running `Command { std: "docker" "start" "-a" "751010fdaf6ca82a47d4baca4ece31353cf61d0a205fdc0ea662169df3d9e20c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [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: 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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = doc.add(&cap); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bin/day-5/input.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 51 | impl BoardingPass { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 52 | pub fn new(code: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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: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)]` (part of `#[warn(unused)]`) 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: value assigned to `inst` is never read [INFO] [stdout] --> src/bin/day-8/main.rs:46:7 [INFO] [stdout] | [INFO] [stdout] 46 | / inst.operation = if inst.operation == Operation::Jmp { [INFO] [stdout] 47 | | Operation::Nop [INFO] [stdout] 48 | | } else { [INFO] [stdout] 49 | | Operation::Jmp [INFO] [stdout] 50 | | }; [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inst` is never read [INFO] [stdout] --> src/bin/day-8/main.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | inst.operation = orig_operation; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bin/day-5/input.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 51 | impl BoardingPass { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 52 | pub fn new(code: &str) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = doc.add(&cap); [INFO] [stdout] | +++++++ [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)]` (part of `#[warn(unused)]`) 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: value assigned to `inst` is never read [INFO] [stdout] --> src/bin/day-8/main.rs:46:7 [INFO] [stdout] | [INFO] [stdout] 46 | / inst.operation = if inst.operation == Operation::Jmp { [INFO] [stdout] 47 | | Operation::Nop [INFO] [stdout] 48 | | } else { [INFO] [stdout] 49 | | Operation::Jmp [INFO] [stdout] 50 | | }; [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inst` is never read [INFO] [stdout] --> src/bin/day-8/main.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | inst.operation = orig_operation; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.06s [INFO] running `Command { std: "docker" "inspect" "751010fdaf6ca82a47d4baca4ece31353cf61d0a205fdc0ea662169df3d9e20c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "751010fdaf6ca82a47d4baca4ece31353cf61d0a205fdc0ea662169df3d9e20c", kill_on_drop: false }` [INFO] [stdout] 751010fdaf6ca82a47d4baca4ece31353cf61d0a205fdc0ea662169df3d9e20c