[INFO] cloning repository https://github.com/colin-riddell/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colin-riddell/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 451a327e3a7430fb2b425b9567507bf54a21b3d8
[INFO] checking colin-riddell/adventofcode2020 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Fadventofcode2020" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colin-riddell/adventofcode2020 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/colin-riddell/adventofcode2020
[INFO] finished tweaking git repo https://github.com/colin-riddell/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/colin-riddell/adventofcode2020 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/colin-riddell/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac286da40cb1e155f9b37b3027a491defd372b11003268d5b15d5fe92cd3c7e0
[INFO] running `Command { std: "docker" "start" "-a" "ac286da40cb1e155f9b37b3027a491defd372b11003268d5b15d5fe92cd3c7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac286da40cb1e155f9b37b3027a491defd372b11003268d5b15d5fe92cd3c7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac286da40cb1e155f9b37b3027a491defd372b11003268d5b15d5fe92cd3c7e0", kill_on_drop: false }`
[INFO] [stdout] ac286da40cb1e155f9b37b3027a491defd372b11003268d5b15d5fe92cd3c7e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77718fcb900a5ebb9d172a0fb85fd85bf9130994fcfdfc0cd28c3a202bebf38
[INFO] running `Command { std: "docker" "start" "-a" "d77718fcb900a5ebb9d172a0fb85fd85bf9130994fcfdfc0cd28c3a202bebf38", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/day1.rs (3 fixes)
[INFO] [stdout] warning: value assigned to `in_left` is never read
[INFO] [stdout]   --> src/day2.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut in_left : bool = true;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `in_right` is never read
[INFO] [stdout]   --> src/day2.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut in_right: bool = true;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/day1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]  --> src/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Line {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day2.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(line: &str) -> Line {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_part_two`
[INFO] [stdout]   --> src/day2.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_valid_part_two(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day2.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `in_left` is never read
[INFO] [stdout]   --> src/day2.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut in_left : bool = true;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `in_right` is never read
[INFO] [stdout]   --> src/day2.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut in_right: bool = true;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/day1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[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: `is_valid`
[INFO] [stdout]   --> src/day2.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `in_left` is never read
[INFO] [stdout]   --> src/day2.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut in_left : bool = true;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `in_right` is never read
[INFO] [stdout]   --> src/day2.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut in_right: bool = true;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `in_left` is never read
[INFO] [stdout]   --> src/day2.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut in_left : bool = true;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `in_right` is never read
[INFO] [stdout]   --> src/day2.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut in_right: bool = true;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/day1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]  --> src/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Line {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day2.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(line: &str) -> Line {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_part_two`
[INFO] [stdout]   --> src/day2.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_valid_part_two(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day2.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/day1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[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: `is_valid`
[INFO] [stdout]   --> src/day2.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "d77718fcb900a5ebb9d172a0fb85fd85bf9130994fcfdfc0cd28c3a202bebf38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77718fcb900a5ebb9d172a0fb85fd85bf9130994fcfdfc0cd28c3a202bebf38", kill_on_drop: false }`
[INFO] [stdout] d77718fcb900a5ebb9d172a0fb85fd85bf9130994fcfdfc0cd28c3a202bebf38