[INFO] updating cached repository skrap/aoc_rust_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/skrap/aoc_rust_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/skrap/aoc_rust_2018" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/skrap/aoc_rust_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/skrap/aoc_rust_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/skrap/aoc_rust_2018" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/skrap/aoc_rust_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/skrap/aoc_rust_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34dc66371b3eb36e637ea0a25837331ba3dd3a92
[INFO] sha for GitHub repo skrap/aoc_rust_2018: 34dc66371b3eb36e637ea0a25837331ba3dd3a92
[INFO] validating manifest of skrap/aoc_rust_2018 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of skrap/aoc_rust_2018 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing skrap/aoc_rust_2018
[INFO] finished frobbing skrap/aoc_rust_2018
[INFO] frobbed toml for skrap/aoc_rust_2018 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/skrap/aoc_rust_2018/Cargo.toml
[INFO] started frobbing skrap/aoc_rust_2018
[INFO] finished frobbing skrap/aoc_rust_2018
[INFO] frobbed toml for skrap/aoc_rust_2018 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/skrap/aoc_rust_2018/Cargo.toml
[INFO] crate skrap/aoc_rust_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking skrap/aoc_rust_2018 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/skrap/aoc_rust_2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a0c08715e241d3f83a67c833b1d2eafd5ed514cb06c8a964513c94230bb88008
[INFO] running `"docker" "start" "-a" "a0c08715e241d3f83a67c833b1d2eafd5ed514cb06c8a964513c94230bb88008"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking memchr v2.1.1
[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/crater/workdir)
[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: 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: unused variable: `stdout`
[INFO] [stderr]    --> src/bin/18.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut stdout = std::io::stdout();
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing 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: 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: 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: 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 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: field is never used: `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: field is never used: `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: function is never used: `intersect`
[INFO] [stderr]   --> src/bin/23.rs:21:1
[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:31:1
[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:37:1
[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: function is never used: `intersect`
[INFO] [stderr]   --> src/bin/23.rs:21:1
[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:31:1
[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:37:1
[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: unused variable: `stdout`
[INFO] [stderr]    --> src/bin/18.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut stdout = std::io::stdout();
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing 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]     Finished dev [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `"docker" "inspect" "a0c08715e241d3f83a67c833b1d2eafd5ed514cb06c8a964513c94230bb88008"`
[INFO] running `"docker" "rm" "-f" "a0c08715e241d3f83a67c833b1d2eafd5ed514cb06c8a964513c94230bb88008"`
[INFO] [stdout] a0c08715e241d3f83a67c833b1d2eafd5ed514cb06c8a964513c94230bb88008