[INFO] cloning repository https://github.com/nzentzis/aoc2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nzentzis/aoc2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnzentzis%2Faoc2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnzentzis%2Faoc2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45e5565f9d6fa3804ab12a007ddadedb407c382f
[INFO] checking nzentzis/aoc2023 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnzentzis%2Faoc2023" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nzentzis/aoc2023 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/nzentzis/aoc2023
[INFO] finished tweaking git repo https://github.com/nzentzis/aoc2023
[INFO] tweaked toml for git repo https://github.com/nzentzis/aoc2023 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nzentzis/aoc2023 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dae846dfce9d1e94b9b77dd840e90e783c49db4f39c0ae8798cd32657b021a3f
[INFO] running `Command { std: "docker" "start" "-a" "dae846dfce9d1e94b9b77dd840e90e783c49db4f39c0ae8798cd32657b021a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dae846dfce9d1e94b9b77dd840e90e783c49db4f39c0ae8798cd32657b021a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae846dfce9d1e94b9b77dd840e90e783c49db4f39c0ae8798cd32657b021a3f", kill_on_drop: false }`
[INFO] [stdout] dae846dfce9d1e94b9b77dd840e90e783c49db4f39c0ae8798cd32657b021a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dd98ac5d8813e29b161f8049bfac7ec5c9fb4c0803a3c6848bb584d22b221ac7
[INFO] running `Command { std: "docker" "start" "-a" "dd98ac5d8813e29b161f8049bfac7ec5c9fb4c0803a3c6848bb584d22b221ac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking aoc2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/p03.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/p03.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "dd98ac5d8813e29b161f8049bfac7ec5c9fb4c0803a3c6848bb584d22b221ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd98ac5d8813e29b161f8049bfac7ec5c9fb4c0803a3c6848bb584d22b221ac7", kill_on_drop: false }`
[INFO] [stdout] dd98ac5d8813e29b161f8049bfac7ec5c9fb4c0803a3c6848bb584d22b221ac7
[INFO] checking nzentzis/aoc2023 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnzentzis%2Faoc2023" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nzentzis/aoc2023 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nzentzis/aoc2023
[INFO] finished tweaking git repo https://github.com/nzentzis/aoc2023
[INFO] tweaked toml for git repo https://github.com/nzentzis/aoc2023 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nzentzis/aoc2023 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bbe26b6c051d4f6c170d9000b2955b67ce13db62930689223e696472ccd0c56
[INFO] running `Command { std: "docker" "start" "-a" "3bbe26b6c051d4f6c170d9000b2955b67ce13db62930689223e696472ccd0c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bbe26b6c051d4f6c170d9000b2955b67ce13db62930689223e696472ccd0c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bbe26b6c051d4f6c170d9000b2955b67ce13db62930689223e696472ccd0c56", kill_on_drop: false }`
[INFO] [stdout] 3bbe26b6c051d4f6c170d9000b2955b67ce13db62930689223e696472ccd0c56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7cc08fc9fd53cc0c9ca9be298edfb5dc7c8c17c90590b1a96eced8c76c6b307
[INFO] running `Command { std: "docker" "start" "-a" "c7cc08fc9fd53cc0c9ca9be298edfb5dc7c8c17c90590b1a96eced8c76c6b307", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking aoc2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/p03.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/p03.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "c7cc08fc9fd53cc0c9ca9be298edfb5dc7c8c17c90590b1a96eced8c76c6b307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cc08fc9fd53cc0c9ca9be298edfb5dc7c8c17c90590b1a96eced8c76c6b307", kill_on_drop: false }`
[INFO] [stdout] c7cc08fc9fd53cc0c9ca9be298edfb5dc7c8c17c90590b1a96eced8c76c6b307