[INFO] cloning repository https://github.com/ofrank123/AoC2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ofrank123/AoC2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fofrank123%2FAoC2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fofrank123%2FAoC2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9eef13b3ca3a0a214ea753e8486f281aab7ab96
[INFO] testing ofrank123/AoC2020 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fofrank123%2FAoC2020" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ofrank123/AoC2020 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ofrank123/AoC2020
[INFO] finished tweaking git repo https://github.com/ofrank123/AoC2020
[INFO] tweaked toml for git repo https://github.com/ofrank123/AoC2020 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/ofrank123/AoC2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fe59434cccb8c4e35f27b349871f1e7767ea3e5ff200797f0d1e757d750a9f5
[INFO] running `Command { std: "docker" "start" "-a" "5fe59434cccb8c4e35f27b349871f1e7767ea3e5ff200797f0d1e757d750a9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fe59434cccb8c4e35f27b349871f1e7767ea3e5ff200797f0d1e757d750a9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe59434cccb8c4e35f27b349871f1e7767ea3e5ff200797f0d1e757d750a9f5", kill_on_drop: false }`
[INFO] [stdout] 5fe59434cccb8c4e35f27b349871f1e7767ea3e5ff200797f0d1e757d750a9f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a450f9e78bcdbda855a4428d3bb40336d26920e6ec28ef78d1412f22b8e9f6e9
[INFO] running `Command { std: "docker" "start" "-a" "a450f9e78bcdbda855a4428d3bb40336d26920e6ec28ef78d1412f22b8e9f6e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir/aoc)
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling prob20_1 v0.1.0 (/opt/rustwide/workdir/prob20_1)
[INFO] [stderr]    Compiling prob24_1 v0.1.0 (/opt/rustwide/workdir/prob24_1)
[INFO] [stderr]    Compiling prob22_2 v0.1.0 (/opt/rustwide/workdir/prob22_2)
[INFO] [stderr]    Compiling prob19_2 v0.1.0 (/opt/rustwide/workdir/prob19_2)
[INFO] [stderr]    Compiling prob21_2 v0.1.0 (/opt/rustwide/workdir/prob21_2)
[INFO] [stderr]    Compiling prob21_1 v0.1.0 (/opt/rustwide/workdir/prob21_1)
[INFO] [stderr]    Compiling prob22_1 v0.1.0 (/opt/rustwide/workdir/prob22_1)
[INFO] [stderr]    Compiling prob20_2 v0.1.0 (/opt/rustwide/workdir/prob20_2)
[INFO] [stderr]    Compiling prob25_2 v0.1.0 (/opt/rustwide/workdir/prob25_2)
[INFO] [stderr]    Compiling prob23_1 v0.1.0 (/opt/rustwide/workdir/prob23_1)
[INFO] [stderr]    Compiling prob25_1 v0.1.0 (/opt/rustwide/workdir/prob25_1)
[INFO] [stderr]    Compiling prob19_1 v0.1.0 (/opt/rustwide/workdir/prob19_1)
[INFO] [stderr]    Compiling prob23_2 v0.1.0 (/opt/rustwide/workdir/prob23_2)
[INFO] [stderr]    Compiling prob24_2 v0.1.0 (/opt/rustwide/workdir/prob24_2)
[INFO] [stderr]    Compiling prob15_2 v0.1.0 (/opt/rustwide/workdir/prob15_2)
[INFO] [stderr]    Compiling prob17_1 v0.1.0 (/opt/rustwide/workdir/prob17_1)
[INFO] [stderr]    Compiling prob3_1 v0.1.0 (/opt/rustwide/workdir/prob3_1)
[INFO] [stderr]    Compiling prob11_1 v0.1.0 (/opt/rustwide/workdir/prob11_1)
[INFO] [stderr]    Compiling prob1_2 v0.1.0 (/opt/rustwide/workdir/prob1_2)
[INFO] [stderr]    Compiling prob13_2 v0.1.0 (/opt/rustwide/workdir/prob13_2)
[INFO] [stderr]    Compiling prob10_1 v0.1.0 (/opt/rustwide/workdir/prob10_1)
[INFO] [stderr]    Compiling prob10_2 v0.1.0 (/opt/rustwide/workdir/prob10_2)
[INFO] [stderr]    Compiling prob8_1 v0.1.0 (/opt/rustwide/workdir/prob8_1)
[INFO] [stderr]    Compiling prob2_2 v0.1.0 (/opt/rustwide/workdir/prob2_2)
[INFO] [stderr]    Compiling prob14_1 v0.1.0 (/opt/rustwide/workdir/prob14_1)
[INFO] [stderr]    Compiling prob6_1 v0.1.0 (/opt/rustwide/workdir/prob6_1)
[INFO] [stderr]    Compiling prob5_2 v0.1.0 (/opt/rustwide/workdir/prob5_2)
[INFO] [stderr]    Compiling prob5_1 v0.1.0 (/opt/rustwide/workdir/prob5_1)
[INFO] [stderr]    Compiling prob7_1 v0.1.0 (/opt/rustwide/workdir/prob7_1)
[INFO] [stderr]    Compiling prob8_2 v0.1.0 (/opt/rustwide/workdir/prob8_2)
[INFO] [stderr]    Compiling prob16_2 v0.1.0 (/opt/rustwide/workdir/prob16_2)
[INFO] [stderr]    Compiling prob9_1 v0.1.0 (/opt/rustwide/workdir/prob9_1)
[INFO] [stderr]    Compiling prob18_1 v0.1.0 (/opt/rustwide/workdir/prob18_1)
[INFO] [stderr]    Compiling prob12_2 v0.1.0 (/opt/rustwide/workdir/prob12_2)
[INFO] [stderr]    Compiling prob1_1 v0.1.0 (/opt/rustwide/workdir/prob1_1)
[INFO] [stderr]    Compiling prob6_2 v0.1.0 (/opt/rustwide/workdir/prob6_2)
[INFO] [stderr]    Compiling prob16_1 v0.1.0 (/opt/rustwide/workdir/prob16_1)
[INFO] [stderr]    Compiling prob3_2 v0.1.0 (/opt/rustwide/workdir/prob3_2)
[INFO] [stderr]    Compiling prob15_1 v0.1.0 (/opt/rustwide/workdir/prob15_1)
[INFO] [stderr]    Compiling prob13_1 v0.1.0 (/opt/rustwide/workdir/prob13_1)
[INFO] [stderr]    Compiling prob9_2 v0.1.0 (/opt/rustwide/workdir/prob9_2)
[INFO] [stderr]    Compiling prob2_1 v0.1.0 (/opt/rustwide/workdir/prob2_1)
[INFO] [stderr]    Compiling prob11_2 v0.1.0 (/opt/rustwide/workdir/prob11_2)
[INFO] [stderr]    Compiling prob7_2 v0.1.0 (/opt/rustwide/workdir/prob7_2)
[INFO] [stderr]    Compiling prob12_1 v0.1.0 (/opt/rustwide/workdir/prob12_1)
[INFO] [stderr]    Compiling prob18_2 v0.1.0 (/opt/rustwide/workdir/prob18_2)
[INFO] [stderr]    Compiling prob17_2 v0.1.0 (/opt/rustwide/workdir/prob17_2)
[INFO] [stderr]    Compiling prob14_2 v0.1.0 (/opt/rustwide/workdir/prob14_2)
[INFO] [stdout] warning: associated function is never used: `print_state`
[INFO] [stdout]   --> prob8_1/src/main.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn print_state(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]   --> prob16_2/src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut sum = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> prob16_2/src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut sum = 0;
[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: unused variable: `your_ticket`
[INFO] [stdout]   --> prob16_1/src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let your_ticket = get_your_ticket(sections[1]);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_your_ticket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling prob4_1 v0.1.0 (/opt/rustwide/workdir/prob4_1)
[INFO] [stderr]    Compiling prob4_2 v0.1.0 (/opt/rustwide/workdir/prob4_2)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.55s
[INFO] running `Command { std: "docker" "inspect" "a450f9e78bcdbda855a4428d3bb40336d26920e6ec28ef78d1412f22b8e9f6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a450f9e78bcdbda855a4428d3bb40336d26920e6ec28ef78d1412f22b8e9f6e9", kill_on_drop: false }`
[INFO] [stdout] a450f9e78bcdbda855a4428d3bb40336d26920e6ec28ef78d1412f22b8e9f6e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d688dd34692388842618320baf638115297a1a2dfc142bde3fc49f597a0efce
[INFO] running `Command { std: "docker" "start" "-a" "2d688dd34692388842618320baf638115297a1a2dfc142bde3fc49f597a0efce", kill_on_drop: false }`
[INFO] [stderr]    Compiling prob25_1 v0.1.0 (/opt/rustwide/workdir/prob25_1)
[INFO] [stderr]    Compiling prob21_1 v0.1.0 (/opt/rustwide/workdir/prob21_1)
[INFO] [stderr]    Compiling prob23_1 v0.1.0 (/opt/rustwide/workdir/prob23_1)
[INFO] [stderr]    Compiling prob22_2 v0.1.0 (/opt/rustwide/workdir/prob22_2)
[INFO] [stderr]    Compiling prob21_2 v0.1.0 (/opt/rustwide/workdir/prob21_2)
[INFO] [stderr]    Compiling prob24_2 v0.1.0 (/opt/rustwide/workdir/prob24_2)
[INFO] [stderr]    Compiling prob23_2 v0.1.0 (/opt/rustwide/workdir/prob23_2)
[INFO] [stderr]    Compiling prob19_1 v0.1.0 (/opt/rustwide/workdir/prob19_1)
[INFO] [stderr]    Compiling prob19_2 v0.1.0 (/opt/rustwide/workdir/prob19_2)
[INFO] [stderr]    Compiling prob22_1 v0.1.0 (/opt/rustwide/workdir/prob22_1)
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir/aoc)
[INFO] [stderr]    Compiling prob25_2 v0.1.0 (/opt/rustwide/workdir/prob25_2)
[INFO] [stderr]    Compiling prob24_1 v0.1.0 (/opt/rustwide/workdir/prob24_1)
[INFO] [stderr]    Compiling prob20_1 v0.1.0 (/opt/rustwide/workdir/prob20_1)
[INFO] [stderr]    Compiling prob20_2 v0.1.0 (/opt/rustwide/workdir/prob20_2)
[INFO] [stderr]    Compiling prob2_1 v0.1.0 (/opt/rustwide/workdir/prob2_1)
[INFO] [stderr]    Compiling prob1_1 v0.1.0 (/opt/rustwide/workdir/prob1_1)
[INFO] [stderr]    Compiling prob5_1 v0.1.0 (/opt/rustwide/workdir/prob5_1)
[INFO] [stderr]    Compiling prob16_2 v0.1.0 (/opt/rustwide/workdir/prob16_2)
[INFO] [stderr]    Compiling prob17_1 v0.1.0 (/opt/rustwide/workdir/prob17_1)
[INFO] [stderr]    Compiling prob18_2 v0.1.0 (/opt/rustwide/workdir/prob18_2)
[INFO] [stderr]    Compiling prob12_2 v0.1.0 (/opt/rustwide/workdir/prob12_2)
[INFO] [stderr]    Compiling prob9_2 v0.1.0 (/opt/rustwide/workdir/prob9_2)
[INFO] [stderr]    Compiling prob15_2 v0.1.0 (/opt/rustwide/workdir/prob15_2)
[INFO] [stderr]    Compiling prob15_1 v0.1.0 (/opt/rustwide/workdir/prob15_1)
[INFO] [stderr]    Compiling prob16_1 v0.1.0 (/opt/rustwide/workdir/prob16_1)
[INFO] [stderr]    Compiling prob5_2 v0.1.0 (/opt/rustwide/workdir/prob5_2)
[INFO] [stderr]    Compiling prob17_2 v0.1.0 (/opt/rustwide/workdir/prob17_2)
[INFO] [stderr]    Compiling prob14_2 v0.1.0 (/opt/rustwide/workdir/prob14_2)
[INFO] [stderr]    Compiling prob9_1 v0.1.0 (/opt/rustwide/workdir/prob9_1)
[INFO] [stderr]    Compiling prob13_2 v0.1.0 (/opt/rustwide/workdir/prob13_2)
[INFO] [stderr]    Compiling prob18_1 v0.1.0 (/opt/rustwide/workdir/prob18_1)
[INFO] [stderr]    Compiling prob11_1 v0.1.0 (/opt/rustwide/workdir/prob11_1)
[INFO] [stderr]    Compiling prob14_1 v0.1.0 (/opt/rustwide/workdir/prob14_1)
[INFO] [stderr]    Compiling prob7_2 v0.1.0 (/opt/rustwide/workdir/prob7_2)
[INFO] [stderr]    Compiling prob7_1 v0.1.0 (/opt/rustwide/workdir/prob7_1)
[INFO] [stderr]    Compiling prob6_2 v0.1.0 (/opt/rustwide/workdir/prob6_2)
[INFO] [stderr]    Compiling prob6_1 v0.1.0 (/opt/rustwide/workdir/prob6_1)
[INFO] [stderr]    Compiling prob3_2 v0.1.0 (/opt/rustwide/workdir/prob3_2)
[INFO] [stderr]    Compiling prob2_2 v0.1.0 (/opt/rustwide/workdir/prob2_2)
[INFO] [stderr]    Compiling prob10_2 v0.1.0 (/opt/rustwide/workdir/prob10_2)
[INFO] [stderr]    Compiling prob1_2 v0.1.0 (/opt/rustwide/workdir/prob1_2)
[INFO] [stderr]    Compiling prob8_1 v0.1.0 (/opt/rustwide/workdir/prob8_1)
[INFO] [stderr]    Compiling prob3_1 v0.1.0 (/opt/rustwide/workdir/prob3_1)
[INFO] [stderr]    Compiling prob10_1 v0.1.0 (/opt/rustwide/workdir/prob10_1)
[INFO] [stderr]    Compiling prob12_1 v0.1.0 (/opt/rustwide/workdir/prob12_1)
[INFO] [stderr]    Compiling prob8_2 v0.1.0 (/opt/rustwide/workdir/prob8_2)
[INFO] [stderr]    Compiling prob13_1 v0.1.0 (/opt/rustwide/workdir/prob13_1)
[INFO] [stderr]    Compiling prob11_2 v0.1.0 (/opt/rustwide/workdir/prob11_2)
[INFO] [stderr]    Compiling prob4_2 v0.1.0 (/opt/rustwide/workdir/prob4_2)
[INFO] [stderr]    Compiling prob4_1 v0.1.0 (/opt/rustwide/workdir/prob4_1)
[INFO] [stdout] warning: associated function is never used: `print_state`
[INFO] [stdout]   --> prob8_1/src/main.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn print_state(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `your_ticket`
[INFO] [stdout]   --> prob16_1/src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let your_ticket = get_your_ticket(sections[1]);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_your_ticket`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]   --> prob16_2/src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut sum = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> prob16_2/src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut sum = 0;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "2d688dd34692388842618320baf638115297a1a2dfc142bde3fc49f597a0efce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d688dd34692388842618320baf638115297a1a2dfc142bde3fc49f597a0efce", kill_on_drop: false }`
[INFO] [stdout] 2d688dd34692388842618320baf638115297a1a2dfc142bde3fc49f597a0efce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40b6862d13e0e90577475b73ac16288dc9da742f20a99a63fefcf5839d244ee5
[INFO] running `Command { std: "docker" "start" "-a" "40b6862d13e0e90577475b73ac16288dc9da742f20a99a63fefcf5839d244ee5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]   --> prob16_2/src/main.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut sum = 0;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[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]   --> prob16_2/src/main.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut sum = 0;
[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: unused variable: `your_ticket`
[INFO] [stderr]   --> prob16_1/src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let your_ticket = get_your_ticket(sections[1]);
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_your_ticket`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_state`
[INFO] [stderr]   --> prob8_1/src/main.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn print_state(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prob16_2` (bin "prob16_2" test) generated 2 warnings
[INFO] [stderr] warning: `prob16_1` (bin "prob16_1" test) generated 1 warning
[INFO] [stderr] warning: `prob8_1` (bin "prob8_1" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc-d6e245db888082bc)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob10_1-63486cbbd06d77bb)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob10_2-5c487dd3b8bfdeca)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob11_1-9c53889d14b004ec)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob11_2-6986048d18c6ba6c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob12_1-1a0417474f3a3158)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob12_2-9759a0bbd9e68908)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob13_1-4ef5913092d82cc0)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
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[INFO] [stdout] running 0 tests
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob13_2-a235c10543bc0059)
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[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob14_1-786449dc72297c7a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob14_2-8740821629913b59)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
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[INFO] [stdout] running 0 tests
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob15_1-d24733701318d1fc)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob15_2-5e947fc431f31461)
[INFO] [stdout] running 0 tests
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob16_1-f58a9543067e9766)
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob16_2-1079035c52383f47)
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob17_1-8d8e2cc303116e6c)
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob17_2-43b0be5651d263b5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob18_1-c56f68013ce09c27)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob18_2-12b6ca62bfae234d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prob19_1-2d656a10fe57e8e4)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aoc
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[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40b6862d13e0e90577475b73ac16288dc9da742f20a99a63fefcf5839d244ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b6862d13e0e90577475b73ac16288dc9da742f20a99a63fefcf5839d244ee5", kill_on_drop: false }`
[INFO] [stdout] 40b6862d13e0e90577475b73ac16288dc9da742f20a99a63fefcf5839d244ee5