[INFO] cloning repository https://github.com/fangerm/adventofcode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fangerm/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffangerm%2Fadventofcode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffangerm%2Fadventofcode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc14512d415105a1b96e78564e793a932470bebf
[INFO] checking fangerm/adventofcode2019 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffangerm%2Fadventofcode2019" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fangerm/adventofcode2019 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/fangerm/adventofcode2019
[INFO] finished tweaking git repo https://github.com/fangerm/adventofcode2019
[INFO] tweaked toml for git repo https://github.com/fangerm/adventofcode2019 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fangerm/adventofcode2019 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] daa42454847da0a9ba2414cb8d45f943c06156bf23285a8c8aff04fe227f7330
[INFO] running `Command { std: "docker" "start" "-a" "daa42454847da0a9ba2414cb8d45f943c06156bf23285a8c8aff04fe227f7330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa42454847da0a9ba2414cb8d45f943c06156bf23285a8c8aff04fe227f7330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa42454847da0a9ba2414cb8d45f943c06156bf23285a8c8aff04fe227f7330", kill_on_drop: false }`
[INFO] [stdout] daa42454847da0a9ba2414cb8d45f943c06156bf23285a8c8aff04fe227f7330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 210610ad21db408ffcde6a8776df501836335fdad0b05020cb519563ddacfb44
[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" "210610ad21db408ffcde6a8776df501836335fdad0b05020cb519563ddacfb44", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::a8::a82`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::a8::a82;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> src/a7.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::a8::a82`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::a8::a82;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> src/a7.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/a7.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for (mut amp, value) in amps.iter_mut().zip(values) {
[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/a7.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut amp = &mut amps[index];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a3`
[INFO] [stdout]  --> src/a3.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn a3() {
[INFO] [stdout]   |    ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `do_map`
[INFO] [stdout]   --> src/a3.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn do_map<T: FnMut(i32, i32, i32)>(steps: &[String], mut action: T) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a41`
[INFO] [stdout]  --> src/a4.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn a41() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a42`
[INFO] [stdout]  --> src/a4.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn a42() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/a4.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn run<T: Fn((&[u32], usize, u32)) -> bool>(cond: T) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a6`
[INFO] [stdout]   --> src/a6.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn a6() {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deeper`
[INFO] [stdout]   --> src/a6.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn deeper(obj: &Object, nesting: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deeper_santa`
[INFO] [stdout]   --> src/a6.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn deeper_santa(you: &Object, dist: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_santa`
[INFO] [stdout]   --> src/a6.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn has_santa(obj: &Object, depth: usize) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a71`
[INFO] [stdout]  --> src/a7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn a71() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a72`
[INFO] [stdout]   --> src/a7.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn a72() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a7`
[INFO] [stdout]   --> src/a7.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn a7(min: isize, max: isize) {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a7_exec`
[INFO] [stdout]   --> src/a7.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn a7_exec(values: &[isize]) -> isize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WIDTH`
[INFO] [stdout]  --> src/a8.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const WIDTH: usize = 25;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEIGHT`
[INFO] [stdout]  --> src/a8.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const HEIGHT: usize = 6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LAYER_COUNT`
[INFO] [stdout]  --> src/a8.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LAYER_COUNT: usize = WIDTH * HEIGHT;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a81`
[INFO] [stdout]  --> src/a8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn a81() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a82`
[INFO] [stdout]   --> src/a8.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn a82() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_stdio`
[INFO] [stdout]   --> src/intcode.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exec_stdio(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a5`
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn a5() {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/a7.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for (mut amp, value) in amps.iter_mut().zip(values) {
[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/a7.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut amp = &mut amps[index];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a3`
[INFO] [stdout]  --> src/a3.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn a3() {
[INFO] [stdout]   |    ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `do_map`
[INFO] [stdout]   --> src/a3.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn do_map<T: FnMut(i32, i32, i32)>(steps: &[String], mut action: T) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a41`
[INFO] [stdout]  --> src/a4.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn a41() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a42`
[INFO] [stdout]  --> src/a4.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn a42() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/a4.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn run<T: Fn((&[u32], usize, u32)) -> bool>(cond: T) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a6`
[INFO] [stdout]   --> src/a6.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn a6() {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deeper`
[INFO] [stdout]   --> src/a6.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn deeper(obj: &Object, nesting: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deeper_santa`
[INFO] [stdout]   --> src/a6.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn deeper_santa(you: &Object, dist: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_santa`
[INFO] [stdout]   --> src/a6.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn has_santa(obj: &Object, depth: usize) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a71`
[INFO] [stdout]  --> src/a7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn a71() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a72`
[INFO] [stdout]   --> src/a7.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn a72() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a7`
[INFO] [stdout]   --> src/a7.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn a7(min: isize, max: isize) {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a7_exec`
[INFO] [stdout]   --> src/a7.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn a7_exec(values: &[isize]) -> isize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WIDTH`
[INFO] [stdout]  --> src/a8.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const WIDTH: usize = 25;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEIGHT`
[INFO] [stdout]  --> src/a8.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const HEIGHT: usize = 6;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LAYER_COUNT`
[INFO] [stdout]  --> src/a8.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LAYER_COUNT: usize = WIDTH * HEIGHT;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a81`
[INFO] [stdout]  --> src/a8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn a81() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a82`
[INFO] [stdout]   --> src/a8.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn a82() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_stdio`
[INFO] [stdout]   --> src/intcode.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exec_stdio(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a5`
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn a5() {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "210610ad21db408ffcde6a8776df501836335fdad0b05020cb519563ddacfb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210610ad21db408ffcde6a8776df501836335fdad0b05020cb519563ddacfb44", kill_on_drop: false }`
[INFO] [stdout] 210610ad21db408ffcde6a8776df501836335fdad0b05020cb519563ddacfb44