[INFO] updating cached repository https://github.com/skrap/aoc_rust_2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34dc66371b3eb36e637ea0a25837331ba3dd3a92
[INFO] checking skrap/aoc_rust_2018 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Faoc_rust_2018" "/workspace/builds/worker-9/source"`
[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 e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6139da7793b286e80fb1c031b6d9b0f07a68dc12000a10a052797e2d5c708fe
[INFO] running `"docker" "start" "-a" "d6139da7793b286e80fb1c031b6d9b0f07a68dc12000a10a052797e2d5c708fe"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/7a.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let mut new_deps = step.deps.drain(..).filter(|d| d != ready_name).collect();
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `constl`
[INFO] [stderr]  --> src/bin/25.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     constl: Option<usize>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/7a.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let mut new_deps = step.deps.drain(..).filter(|d| d != ready_name).collect();
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/7b.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let mut new_deps = step.deps.drain(..).filter(|d| d != &name).collect();
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/7b.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let mut new_deps = step.deps.drain(..).filter(|d| d != &name).collect();
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `constl`
[INFO] [stderr]  --> src/bin/25.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     constl: Option<usize>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/23.rs:143:13
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let mut start_region_bots : Vec<_> = start_bots.iter().filter(|b| b.intersects(&bot)).map(|b| b.clone()).collect();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/bin/15.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersect`
[INFO] [stderr]   --> src/bin/23.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn intersect(a: &(Coord,Coord), b: &(Coord, Coord)) -> Option<(Coord,Coord)> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `union`
[INFO] [stderr]   --> src/bin/23.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn union(a: &(Coord,Coord), b: &(Coord, Coord)) -> (Coord,Coord) {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divide`
[INFO] [stderr]   --> src/bin/23.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn divide(a: &(Coord,Coord)) -> [Option<(Coord,Coord)>;2] {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `intersect`
[INFO] [stderr]   --> src/bin/23.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn intersect(&self, other: &Box) -> Option<Box> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `union`
[INFO] [stderr]   --> src/bin/23.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn union(&self, other: &Box) -> Box {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split`
[INFO] [stderr]   --> src/bin/23.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn split(&self) -> [Option<Box>;8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bbox`
[INFO] [stderr]   --> src/bin/23.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn bbox(&self) -> Box {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `union`
[INFO] [stderr]   --> src/bin/23.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn union(&self, other: &Self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/bin/15.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VecDeque`
[INFO] [stderr]  --> src/bin/19.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stderr]   |                                  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/bin/24.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     'game: loop {
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/bin/24.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     'game: loop {
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/23.rs:143:13
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let mut start_region_bots : Vec<_> = start_bots.iter().filter(|b| b.intersects(&bot)).map(|b| b.clone()).collect();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersect`
[INFO] [stderr]   --> src/bin/23.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn intersect(a: &(Coord,Coord), b: &(Coord, Coord)) -> Option<(Coord,Coord)> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `union`
[INFO] [stderr]   --> src/bin/23.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn union(a: &(Coord,Coord), b: &(Coord, Coord)) -> (Coord,Coord) {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divide`
[INFO] [stderr]   --> src/bin/23.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn divide(a: &(Coord,Coord)) -> [Option<(Coord,Coord)>;2] {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `intersect`
[INFO] [stderr]   --> src/bin/23.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn intersect(&self, other: &Box) -> Option<Box> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `union`
[INFO] [stderr]   --> src/bin/23.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn union(&self, other: &Box) -> Box {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split`
[INFO] [stderr]   --> src/bin/23.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn split(&self) -> [Option<Box>;8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bbox`
[INFO] [stderr]   --> src/bin/23.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn bbox(&self) -> Box {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `union`
[INFO] [stderr]   --> src/bin/23.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn union(&self, other: &Self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/bin/15b.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn print(&self, units: &Vec<Unit>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/bin/15b.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/bin/15b.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn print(&self, units: &Vec<Unit>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/bin/15b.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn print(&self, start_pos: &Pos) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stderr]    --> src/bin/18.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut stdout = std::io::stdout();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/18.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut stdout = std::io::stdout();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VecDeque`
[INFO] [stderr]  --> src/bin/19.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{BTreeMap, VecDeque};
[INFO] [stderr]   |                                  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stderr]    --> src/bin/18.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut stdout = std::io::stdout();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/18.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut stdout = std::io::stdout();
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.38s
[INFO] running `"docker" "inspect" "d6139da7793b286e80fb1c031b6d9b0f07a68dc12000a10a052797e2d5c708fe"`
[INFO] running `"docker" "rm" "-f" "d6139da7793b286e80fb1c031b6d9b0f07a68dc12000a10a052797e2d5c708fe"`
[INFO] [stdout] d6139da7793b286e80fb1c031b6d9b0f07a68dc12000a10a052797e2d5c708fe