[INFO] cloning repository https://github.com/skrap/aoc_rust_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skrap/aoc_rust_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Faoc_rust_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Faoc_rust_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34dc66371b3eb36e637ea0a25837331ba3dd3a92
[INFO] checking skrap/aoc_rust_2018 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Faoc_rust_2018" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skrap/aoc_rust_2018 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skrap/aoc_rust_2018
[INFO] finished tweaking git repo https://github.com/skrap/aoc_rust_2018
[INFO] tweaked toml for git repo https://github.com/skrap/aoc_rust_2018 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/skrap/aoc_rust_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slice-deque v0.1.16
[INFO] [stderr]   Downloaded linked-list v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", 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] 4ae05b4c39604c27e08860e45985b4a66a412ecacb00f841b25fdcc50b3a6d89
[INFO] running `Command { std: "docker" "start" "-a" "4ae05b4c39604c27e08860e45985b4a66a412ecacb00f841b25fdcc50b3a6d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae05b4c39604c27e08860e45985b4a66a412ecacb00f841b25fdcc50b3a6d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae05b4c39604c27e08860e45985b4a66a412ecacb00f841b25fdcc50b3a6d89", kill_on_drop: false }`
[INFO] [stdout] 4ae05b4c39604c27e08860e45985b4a66a412ecacb00f841b25fdcc50b3a6d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51ffff3823dfb178e5686cb578bde2d376127b152a7490b48a401fb5d438e4b9
[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" "51ffff3823dfb178e5686cb578bde2d376127b152a7490b48a401fb5d438e4b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/bin/19.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/bin/24.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     'game: loop {
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/bin/18.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut stdout = std::io::stdout();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[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/bin/18.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut stdout = std::io::stdout();
[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: 2 warnings 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/7b.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let mut new_deps = step.deps.drain(..).filter(|d| d != &name).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: associated function is never used: `print`
[INFO] [stdout]    --> src/bin/15.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `constl`
[INFO] [stdout]  --> src/bin/25.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     constl: Option<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]    --> src/bin/18.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut stdout = std::io::stdout();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/bin/15.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/18.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut stdout = std::io::stdout();
[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 import: `VecDeque`
[INFO] [stdout]  --> src/bin/19.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/bin/15b.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn print(&self, units: &Vec<Unit>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/bin/15b.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stdout]     |        ^^^^^
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/7b.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let mut new_deps = step.deps.drain(..).filter(|d| d != &name).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/bin/23.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let mut start_region_bots : Vec<_> = start_bots.iter().filter(|b| b.intersects(&bot)).map(|b| b.clone()).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: function is never used: `intersect`
[INFO] [stdout]   --> src/bin/23.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn intersect(a: &(Coord,Coord), b: &(Coord, Coord)) -> Option<(Coord,Coord)> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `union`
[INFO] [stdout]   --> src/bin/23.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn union(a: &(Coord,Coord), b: &(Coord, Coord)) -> (Coord,Coord) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide`
[INFO] [stdout]   --> src/bin/23.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn divide(a: &(Coord,Coord)) -> [Option<(Coord,Coord)>;2] {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intersect`
[INFO] [stdout]   --> src/bin/23.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn intersect(&self, other: &Box) -> Option<Box> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `union`
[INFO] [stdout]   --> src/bin/23.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn union(&self, other: &Box) -> Box {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `split`
[INFO] [stdout]   --> src/bin/23.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn split(&self) -> [Option<Box>;8] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bbox`
[INFO] [stdout]   --> src/bin/23.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn bbox(&self) -> Box {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `union`
[INFO] [stdout]   --> src/bin/23.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn union(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/bin/24.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     'game: loop {
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `constl`
[INFO] [stdout]  --> src/bin/25.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     constl: Option<usize>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/bin/15b.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn print(&self, units: &Vec<Unit>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/bin/15b.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stdout]     |        ^^^^^
[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/7a.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let mut new_deps = step.deps.drain(..).filter(|d| d != ready_name).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/bin/23.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let mut start_region_bots : Vec<_> = start_bots.iter().filter(|b| b.intersects(&bot)).map(|b| b.clone()).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: function is never used: `intersect`
[INFO] [stdout]   --> src/bin/23.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn intersect(a: &(Coord,Coord), b: &(Coord, Coord)) -> Option<(Coord,Coord)> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `union`
[INFO] [stdout]   --> src/bin/23.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn union(a: &(Coord,Coord), b: &(Coord, Coord)) -> (Coord,Coord) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide`
[INFO] [stdout]   --> src/bin/23.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn divide(a: &(Coord,Coord)) -> [Option<(Coord,Coord)>;2] {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intersect`
[INFO] [stdout]   --> src/bin/23.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn intersect(&self, other: &Box) -> Option<Box> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `union`
[INFO] [stdout]   --> src/bin/23.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn union(&self, other: &Box) -> Box {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `split`
[INFO] [stdout]   --> src/bin/23.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn split(&self) -> [Option<Box>;8] {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bbox`
[INFO] [stdout]   --> src/bin/23.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn bbox(&self) -> Box {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `union`
[INFO] [stdout]   --> src/bin/23.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn union(&self, other: &Self) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings 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/7a.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let mut new_deps = step.deps.drain(..).filter(|d| d != ready_name).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 [unoptimized + debuginfo] target(s) in 22.26s
[INFO] running `Command { std: "docker" "inspect" "51ffff3823dfb178e5686cb578bde2d376127b152a7490b48a401fb5d438e4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ffff3823dfb178e5686cb578bde2d376127b152a7490b48a401fb5d438e4b9", kill_on_drop: false }`
[INFO] [stdout] 51ffff3823dfb178e5686cb578bde2d376127b152a7490b48a401fb5d438e4b9