[INFO] cloning repository https://github.com/imrick/advent-code-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imrick/advent-code-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimrick%2Fadvent-code-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimrick%2Fadvent-code-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 813142c7be220980fd84ac0286644c1451c82974
[INFO] checking imrick/advent-code-2022 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimrick%2Fadvent-code-2022" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imrick/advent-code-2022 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imrick/advent-code-2022
[INFO] finished tweaking git repo https://github.com/imrick/advent-code-2022
[INFO] tweaked toml for git repo https://github.com/imrick/advent-code-2022 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/imrick/advent-code-2022 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6086b45ddf6db9bb12ac3a6081f0cc017295f310f9af79dccbd7b73b7bf21ce
[INFO] running `Command { std: "docker" "start" "-a" "b6086b45ddf6db9bb12ac3a6081f0cc017295f310f9af79dccbd7b73b7bf21ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6086b45ddf6db9bb12ac3a6081f0cc017295f310f9af79dccbd7b73b7bf21ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6086b45ddf6db9bb12ac3a6081f0cc017295f310f9af79dccbd7b73b7bf21ce", kill_on_drop: false }`
[INFO] [stdout] b6086b45ddf6db9bb12ac3a6081f0cc017295f310f9af79dccbd7b73b7bf21ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f7967c9f6ed3864e3050b3c99806ffa8dc89e494eee0867b79e82ea6f0fe96
[INFO] running `Command { std: "docker" "start" "-a" "d2f7967c9f6ed3864e3050b3c99806ffa8dc89e494eee0867b79e82ea6f0fe96", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]     Checking day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]     Checking day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day03/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day07/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day01/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day03/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day08/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day09/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day08/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day09/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day02/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day04/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day07/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day01/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day04/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[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: 1 warning emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] warning: 1 warning emitted
[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: the item `common` is imported redundantly
[INFO] [stdout]  --> day02/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[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] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day06/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day06/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[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]     Checking regex v1.7.0
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day05/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `common` is imported redundantly
[INFO] [stdout]  --> day05/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use common;
[INFO] [stdout]   |     ^^^^^^ the item `common` is already defined by prelude
[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 1.58s
[INFO] running `Command { std: "docker" "inspect" "d2f7967c9f6ed3864e3050b3c99806ffa8dc89e494eee0867b79e82ea6f0fe96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f7967c9f6ed3864e3050b3c99806ffa8dc89e494eee0867b79e82ea6f0fe96", kill_on_drop: false }`
[INFO] [stdout] d2f7967c9f6ed3864e3050b3c99806ffa8dc89e494eee0867b79e82ea6f0fe96