[INFO] cloning repository https://github.com/dmschreiber/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmschreiber/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmschreiber%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmschreiber%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13dcd91a3d242e41b111489155d4b720aedd62db
[INFO] checking dmschreiber/advent-of-code-2018 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmschreiber%2Fadvent-of-code-2018" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmschreiber/advent-of-code-2018 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmschreiber/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/dmschreiber/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/dmschreiber/advent-of-code-2018 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/dmschreiber/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b906aa45238bac81b1b4c238d15f771ec6b45d3a96c981226f00df25d2d0866
[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" "2b906aa45238bac81b1b4c238d15f771ec6b45d3a96c981226f00df25d2d0866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b906aa45238bac81b1b4c238d15f771ec6b45d3a96c981226f00df25d2d0866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b906aa45238bac81b1b4c238d15f771ec6b45d3a96c981226f00df25d2d0866", kill_on_drop: false }`
[INFO] [stdout] 2b906aa45238bac81b1b4c238d15f771ec6b45d3a96c981226f00df25d2d0866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f85e4f2fc6cc4fdcce75dc62436e4792fdf009ded983803495afade50998f6dc
[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" "f85e4f2fc6cc4fdcce75dc62436e4792fdf009ded983803495afade50998f6dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.10
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.10
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.10
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking pathfinding v2.1.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling cached_proc_macro v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking cached v0.22.0
[INFO] [stderr]     Checking tokio-stream v0.1.1
[INFO] [stderr]     Checking tokio-util v0.6.0
[INFO] [stderr]     Checking puzzle-base v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]   --> src/puzzle20.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::convert::TryInto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/puzzle20.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]   --> src/puzzle20.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::convert::TryInto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/puzzle20.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer`
[INFO] [stdout]   --> src/puzzle20.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 |       let timer = Instant::now();
[INFO] [stdout]    |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_timer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/puzzle20.rs:299:31
[INFO] [stdout]     |
[INFO] [stdout] 299 |   retval = map.values().map(|(d,s)| s.to_string()).collect::<Vec<String>>();
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer`
[INFO] [stdout]   --> src/puzzle20.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 |       let timer = Instant::now();
[INFO] [stdout]    |           ^^^^^ help: if this is intentional, prefix it with an underscore: `_timer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/puzzle20.rs:299:31
[INFO] [stdout]     |
[INFO] [stdout] 299 |   retval = map.values().map(|(d,s)| s.to_string()).collect::<Vec<String>>();
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec`
[INFO] [stdout]   --> src/puzzle20.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn print_vec(v : &Vec<String>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]   --> src/puzzle20.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn draw(direction : &String) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `manhattan_distance`
[INFO] [stdout]    --> src/puzzle20.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn manhattan_distance (p1 : (isize,isize), p2 : (isize, isize)) -> isize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_vec`
[INFO] [stdout]   --> src/puzzle20.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn print_vec(v : &Vec<String>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]   --> src/puzzle20.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn draw(direction : &String) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `manhattan_distance`
[INFO] [stdout]    --> src/puzzle20.rs:155:4
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn manhattan_distance (p1 : (isize,isize), p2 : (isize, isize)) -> isize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "f85e4f2fc6cc4fdcce75dc62436e4792fdf009ded983803495afade50998f6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85e4f2fc6cc4fdcce75dc62436e4792fdf009ded983803495afade50998f6dc", kill_on_drop: false }`
[INFO] [stdout] f85e4f2fc6cc4fdcce75dc62436e4792fdf009ded983803495afade50998f6dc