[INFO] cloning repository https://github.com/joeyrobert/advent2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joeyrobert/advent2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyrobert%2Fadvent2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyrobert%2Fadvent2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 55c36c9da533fec63d30683799c1e6b53477bdae [INFO] checking joeyrobert/advent2018 against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyrobert%2Fadvent2018" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joeyrobert/advent2018 on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joeyrobert/advent2018 [INFO] finished tweaking git repo https://github.com/joeyrobert/advent2018 [INFO] tweaked toml for git repo https://github.com/joeyrobert/advent2018 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/joeyrobert/advent2018 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" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.3.22 [INFO] [stderr] Downloaded bit-vec v0.5.0 [INFO] [stderr] Downloaded skiplist v0.2.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01600beb343255e9ddcec067cda5ba72ced7c6d05b00c9f088a97cdac7a2e612 [INFO] running `Command { std: "docker" "start" "-a" "01600beb343255e9ddcec067cda5ba72ced7c6d05b00c9f088a97cdac7a2e612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01600beb343255e9ddcec067cda5ba72ced7c6d05b00c9f088a97cdac7a2e612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01600beb343255e9ddcec067cda5ba72ced7c6d05b00c9f088a97cdac7a2e612", kill_on_drop: false }` [INFO] [stdout] 01600beb343255e9ddcec067cda5ba72ced7c6d05b00c9f088a97cdac7a2e612 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e4137526d978921acd1f378352cf3252926ee3ea5f25199ce37256717529d6d [INFO] running `Command { std: "docker" "start" "-a" "1e4137526d978921acd1f378352cf3252926ee3ea5f25199ce37256717529d6d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking skiplist v0.2.10 [INFO] [stderr] Checking advent2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:176:12 [INFO] [stdout] | [INFO] [stdout] 176 | if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 176 - if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] 176 + if clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 179 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 179 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 179 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 194 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 194 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 194 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_04.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | let mut likely_minutes_for_guard = likely_minutes.entry(active_guard).or_insert(HashMap::new()); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `falling` [INFO] [stdout] --> src/advent_17.rs:45:77 [INFO] [stdout] | [INFO] [stdout] 45 | fn determine_range(clay: &HashSet<(i32, i32)>, water: &HashSet<(i32, i32)>, falling: &HashSet<(i32, i32)>) -> (i32, i32, i32, i32) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_falling` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_17.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut union: HashSet<_> = clay.union(water).collect(); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_04.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | let mut likely_minutes_for_guard = likely_minutes.entry(active_guard).or_insert(HashMap::new()); [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/advent_13.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | for (x, mut ch) in s.chars().enumerate() { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_13.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | for (x, mut ch) in s.chars().enumerate() { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:176:12 [INFO] [stdout] | [INFO] [stdout] 176 | if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 176 - if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] 176 + if clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 179 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 179 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 179 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 194 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 194 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 194 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `falling` [INFO] [stdout] --> src/advent_17.rs:45:77 [INFO] [stdout] | [INFO] [stdout] 45 | fn determine_range(clay: &HashSet<(i32, i32)>, water: &HashSet<(i32, i32)>, falling: &HashSet<(i32, i32)>) -> (i32, i32, i32, i32) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_falling` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_17.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut union: HashSet<_> = clay.union(water).collect(); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_15.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | ... let mut unoccupied_spots: Vec = open_spots.iter().filter(|x| !occupied_spots.contains(x) || x == position).cloned().collect(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_15.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | ... let mut unoccupied_spots: Vec = open_spots.iter().filter(|x| !occupied_spots.contains(x) || x == position).cloned().collect(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s [INFO] running `Command { std: "docker" "inspect" "1e4137526d978921acd1f378352cf3252926ee3ea5f25199ce37256717529d6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e4137526d978921acd1f378352cf3252926ee3ea5f25199ce37256717529d6d", kill_on_drop: false }` [INFO] [stdout] 1e4137526d978921acd1f378352cf3252926ee3ea5f25199ce37256717529d6d [INFO] checking joeyrobert/advent2018 against try#16d823b1c168ce52c66ccc00dfd686f775a45c65 for pr-128351-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeyrobert%2Fadvent2018" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joeyrobert/advent2018 on toolchain 16d823b1c168ce52c66ccc00dfd686f775a45c65 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joeyrobert/advent2018 [INFO] finished tweaking git repo https://github.com/joeyrobert/advent2018 [INFO] tweaked toml for git repo https://github.com/joeyrobert/advent2018 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/joeyrobert/advent2018 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" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb40a6ede131a607f81fab15e520d5d6aebaf0fed348ad7b9b543af9c55f301a [INFO] running `Command { std: "docker" "start" "-a" "bb40a6ede131a607f81fab15e520d5d6aebaf0fed348ad7b9b543af9c55f301a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb40a6ede131a607f81fab15e520d5d6aebaf0fed348ad7b9b543af9c55f301a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb40a6ede131a607f81fab15e520d5d6aebaf0fed348ad7b9b543af9c55f301a", kill_on_drop: false }` [INFO] [stdout] bb40a6ede131a607f81fab15e520d5d6aebaf0fed348ad7b9b543af9c55f301a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48351b4b9487db2c727f569e552f958b44a9f5a0551fb6f3f662cdd83ce9abfb [INFO] running `Command { std: "docker" "start" "-a" "48351b4b9487db2c727f569e552f958b44a9f5a0551fb6f3f662cdd83ce9abfb", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking skiplist v0.2.10 [INFO] [stderr] Checking advent2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_04.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | let mut likely_minutes_for_guard = likely_minutes.entry(active_guard).or_insert(HashMap::new()); [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/advent_04.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | let mut likely_minutes_for_guard = likely_minutes.entry(active_guard).or_insert(HashMap::new()); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:176:12 [INFO] [stdout] | [INFO] [stdout] 176 | if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 176 - if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] 176 + if clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 179 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 179 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 179 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 194 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 194 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 194 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [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/advent_13.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | for (x, mut ch) in s.chars().enumerate() { [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: unused variable: `falling` [INFO] [stdout] --> src/advent_17.rs:45:77 [INFO] [stdout] | [INFO] [stdout] 45 | fn determine_range(clay: &HashSet<(i32, i32)>, water: &HashSet<(i32, i32)>, falling: &HashSet<(i32, i32)>) -> (i32, i32, i32, i32) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_falling` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_17.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut union: HashSet<_> = clay.union(water).collect(); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_15.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | ... let mut unoccupied_spots: Vec = open_spots.iter().filter(|x| !occupied_spots.contains(x) || x == position).cloned().collect(); [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: 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/advent_13.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | for (x, mut ch) in s.chars().enumerate() { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:176:12 [INFO] [stdout] | [INFO] [stdout] 176 | if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 176 - if (clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1))) { [INFO] [stdout] 176 + if clay.contains(&(x, node.1)) && water.contains(&(x, node.1)) && falling.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 179 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 179 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 179 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/advent_17.rs:194:12 [INFO] [stdout] | [INFO] [stdout] 194 | if (clay.contains(&(x, node.1))) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 194 - if (clay.contains(&(x, node.1))) { [INFO] [stdout] 194 + if clay.contains(&(x, node.1)) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `falling` [INFO] [stdout] --> src/advent_17.rs:45:77 [INFO] [stdout] | [INFO] [stdout] 45 | fn determine_range(clay: &HashSet<(i32, i32)>, water: &HashSet<(i32, i32)>, falling: &HashSet<(i32, i32)>) -> (i32, i32, i32, i32) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_falling` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/advent_17.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let mut union: HashSet<_> = clay.union(water).collect(); [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/advent_15.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | ... let mut unoccupied_spots: Vec = open_spots.iter().filter(|x| !occupied_spots.contains(x) || x == position).cloned().collect(); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.13s [INFO] running `Command { std: "docker" "inspect" "48351b4b9487db2c727f569e552f958b44a9f5a0551fb6f3f662cdd83ce9abfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48351b4b9487db2c727f569e552f958b44a9f5a0551fb6f3f662cdd83ce9abfb", kill_on_drop: false }` [INFO] [stdout] 48351b4b9487db2c727f569e552f958b44a9f5a0551fb6f3f662cdd83ce9abfb