[INFO] cloning repository https://github.com/dvush/ghs19rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvush/ghs19rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvush%2Fghs19rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvush%2Fghs19rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef69f5d34d2406dce9c3ab980f570f2456bee548 [INFO] checking dvush/ghs19rs against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvush%2Fghs19rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dvush/ghs19rs on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dvush/ghs19rs [INFO] finished tweaking git repo https://github.com/dvush/ghs19rs [INFO] tweaked toml for git repo https://github.com/dvush/ghs19rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dvush/ghs19rs 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" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70f05f8f6773fd6ae3b5abdf45b431a77ba78c848a8b1fc9161f2af9e29fde6e [INFO] running `Command { std: "docker" "start" "-a" "70f05f8f6773fd6ae3b5abdf45b431a77ba78c848a8b1fc9161f2af9e29fde6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70f05f8f6773fd6ae3b5abdf45b431a77ba78c848a8b1fc9161f2af9e29fde6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70f05f8f6773fd6ae3b5abdf45b431a77ba78c848a8b1fc9161f2af9e29fde6e", kill_on_drop: false }` [INFO] [stdout] 70f05f8f6773fd6ae3b5abdf45b431a77ba78c848a8b1fc9161f2af9e29fde6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6354b0be4dc46d32b0e892a1ad1372aa412c64f64b4d853a44927d6a35c0ede0 [INFO] running `Command { std: "docker" "start" "-a" "6354b0be4dc46d32b0e892a1ad1372aa412c64f64b4d853a44927d6a35c0ede0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking hash-code-2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | let mut score = 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/main.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | let mut score = 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: field `tags` is never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Input { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 10 | photos: VecDeque, [INFO] [stdout] 11 | tags: HashMap [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Input` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_A` is never used [INFO] [stdout] --> src/main.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | const INPUT_A: &str = "data/a_example.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_B` is never used [INFO] [stdout] --> src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | const INPUT_B: &str = "data/b_lovely_landscapes.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_C` is never used [INFO] [stdout] --> src/main.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | const INPUT_C: &str = "data/c_memorable_moments.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_D` is never used [INFO] [stdout] --> src/main.rs:46:7 [INFO] [stdout] | [INFO] [stdout] 46 | const INPUT_D: &str = "data/d_pet_pictures.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve_greedy` is never used [INFO] [stdout] --> src/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn solve_greedy(mut input: Input) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tags` is never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Input { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 10 | photos: VecDeque, [INFO] [stdout] 11 | tags: HashMap [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Input` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_A` is never used [INFO] [stdout] --> src/main.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | const INPUT_A: &str = "data/a_example.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_B` is never used [INFO] [stdout] --> src/main.rs:44:7 [INFO] [stdout] | [INFO] [stdout] 44 | const INPUT_B: &str = "data/b_lovely_landscapes.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_C` is never used [INFO] [stdout] --> src/main.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | const INPUT_C: &str = "data/c_memorable_moments.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `INPUT_D` is never used [INFO] [stdout] --> src/main.rs:46:7 [INFO] [stdout] | [INFO] [stdout] 46 | const INPUT_D: &str = "data/d_pet_pictures.txt"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve_greedy` is never used [INFO] [stdout] --> src/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn solve_greedy(mut input: Input) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "6354b0be4dc46d32b0e892a1ad1372aa412c64f64b4d853a44927d6a35c0ede0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6354b0be4dc46d32b0e892a1ad1372aa412c64f64b4d853a44927d6a35c0ede0", kill_on_drop: false }` [INFO] [stdout] 6354b0be4dc46d32b0e892a1ad1372aa412c64f64b4d853a44927d6a35c0ede0