[INFO] cloning repository https://github.com/Sundin/aoc_2020_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sundin/aoc_2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundin%2Faoc_2020_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundin%2Faoc_2020_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a30a80244e5d42059822324cdd1ff5eddf665419
[INFO] checking Sundin/aoc_2020_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundin%2Faoc_2020_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sundin/aoc_2020_rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sundin/aoc_2020_rust
[INFO] finished tweaking git repo https://github.com/Sundin/aoc_2020_rust
[INFO] tweaked toml for git repo https://github.com/Sundin/aoc_2020_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sundin/aoc_2020_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab370abd85548f93b8510630909dbbfea4eb24d394e04f66429123de8971949c
[INFO] running `Command { std: "docker" "start" "-a" "ab370abd85548f93b8510630909dbbfea4eb24d394e04f66429123de8971949c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab370abd85548f93b8510630909dbbfea4eb24d394e04f66429123de8971949c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab370abd85548f93b8510630909dbbfea4eb24d394e04f66429123de8971949c", kill_on_drop: false }`
[INFO] [stdout] ab370abd85548f93b8510630909dbbfea4eb24d394e04f66429123de8971949c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18f02a7b1c46a5b22eaeef61c8ad7816a885aec7044a2d5a2d44529482b42ec7
[INFO] running `Command { std: "docker" "start" "-a" "18f02a7b1c46a5b22eaeef61c8ad7816a885aec7044a2d5a2d44529482b42ec7", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc_2020_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `files` is imported redundantly
[INFO] [stdout]    --> src/day4.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     use super::*;
[INFO] [stdout]     |         -------- the item `files` is already imported here
[INFO] [stdout] 175 |     use super::super::files;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `files` is imported redundantly
[INFO] [stdout]    --> src/day8.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use super::*;
[INFO] [stdout]     |         -------- the item `files` is already imported here
[INFO] [stdout] 108 |     use super::super::files;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day7.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn part_2(input: &str) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/day8.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for (i, line) in input.lines().enumerate() {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/day9.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (i, number) in input.iter().enumerate() {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day10.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn part_2(input: &Vec<i32>) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day7.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn part_2(input: &str) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/day8.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for (i, line) in input.lines().enumerate() {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/day9.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (i, number) in input.iter().enumerate() {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day10.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn part_2(input: &Vec<i32>) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "18f02a7b1c46a5b22eaeef61c8ad7816a885aec7044a2d5a2d44529482b42ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f02a7b1c46a5b22eaeef61c8ad7816a885aec7044a2d5a2d44529482b42ec7", kill_on_drop: false }`
[INFO] [stdout] 18f02a7b1c46a5b22eaeef61c8ad7816a885aec7044a2d5a2d44529482b42ec7
[INFO] checking Sundin/aoc_2020_rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundin%2Faoc_2020_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sundin/aoc_2020_rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sundin/aoc_2020_rust
[INFO] finished tweaking git repo https://github.com/Sundin/aoc_2020_rust
[INFO] tweaked toml for git repo https://github.com/Sundin/aoc_2020_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sundin/aoc_2020_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4590bfd28f3177f2edee05f5654baaeaee8d36a8081f2481678b4c28b316b2be
[INFO] running `Command { std: "docker" "start" "-a" "4590bfd28f3177f2edee05f5654baaeaee8d36a8081f2481678b4c28b316b2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4590bfd28f3177f2edee05f5654baaeaee8d36a8081f2481678b4c28b316b2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4590bfd28f3177f2edee05f5654baaeaee8d36a8081f2481678b4c28b316b2be", kill_on_drop: false }`
[INFO] [stdout] 4590bfd28f3177f2edee05f5654baaeaee8d36a8081f2481678b4c28b316b2be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceda9a2f77f93c7fa193a75a92a53583ef735011b65c65042a2a5474e8fc35f9
[INFO] running `Command { std: "docker" "start" "-a" "ceda9a2f77f93c7fa193a75a92a53583ef735011b65c65042a2a5474e8fc35f9", kill_on_drop: false }`
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc_2020_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `files` is imported redundantly
[INFO] [stdout]    --> src/day4.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     use super::*;
[INFO] [stdout]     |         -------- the item `files` is already imported here
[INFO] [stdout] 175 |     use super::super::files;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `files` is imported redundantly
[INFO] [stdout]    --> src/day8.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use super::*;
[INFO] [stdout]     |         -------- the item `files` is already imported here
[INFO] [stdout] 108 |     use super::super::files;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day7.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn part_2(input: &str) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/day8.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for (i, line) in input.lines().enumerate() {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/day9.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (i, number) in input.iter().enumerate() {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day10.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn part_2(input: &Vec<i32>) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day7.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn part_2(input: &str) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/day8.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for (i, line) in input.lines().enumerate() {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/day9.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (i, number) in input.iter().enumerate() {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day10.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn part_2(input: &Vec<i32>) -> i32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "ceda9a2f77f93c7fa193a75a92a53583ef735011b65c65042a2a5474e8fc35f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceda9a2f77f93c7fa193a75a92a53583ef735011b65c65042a2a5474e8fc35f9", kill_on_drop: false }`
[INFO] [stdout] ceda9a2f77f93c7fa193a75a92a53583ef735011b65c65042a2a5474e8fc35f9