[INFO] cloning repository https://github.com/DoctorAkula/AOC2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DoctorAkula/AOC2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctorAkula%2FAOC2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctorAkula%2FAOC2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f34ade59a5b34e7fa1c1cc265bfb8acdfcfa8cf
[INFO] checking DoctorAkula/AOC2021/9f34ade59a5b34e7fa1c1cc265bfb8acdfcfa8cf against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctorAkula%2FAOC2021" "/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/DoctorAkula/AOC2021 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DoctorAkula/AOC2021
[INFO] finished tweaking git repo https://github.com/DoctorAkula/AOC2021
[INFO] tweaked toml for git repo https://github.com/DoctorAkula/AOC2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DoctorAkula/AOC2021 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3469a8924f8d9aae65cfd588e49b87c8dc70caeb0cb38b60538b66e0b6aa1bd1
[INFO] running `Command { std: "docker" "start" "-a" "3469a8924f8d9aae65cfd588e49b87c8dc70caeb0cb38b60538b66e0b6aa1bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3469a8924f8d9aae65cfd588e49b87c8dc70caeb0cb38b60538b66e0b6aa1bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3469a8924f8d9aae65cfd588e49b87c8dc70caeb0cb38b60538b66e0b6aa1bd1", kill_on_drop: false }`
[INFO] [stdout] 3469a8924f8d9aae65cfd588e49b87c8dc70caeb0cb38b60538b66e0b6aa1bd1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d0ae9b709759b938b1d7d5074e4bfa4c0a02e8c0daed1a7ae812109d375da8
[INFO] running `Command { std: "docker" "start" "-a" "74d0ae9b709759b938b1d7d5074e4bfa4c0a02e8c0daed1a7ae812109d375da8", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:32:62
[INFO] [stdout]    |
[INFO] [stdout] 32 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:34:65
[INFO] [stdout]    |
[INFO] [stdout] 34 |             graph_connections.get_mut(&first).unwrap().push(last.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:37:62
[INFO] [stdout]    |
[INFO] [stdout] 37 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:39:65
[INFO] [stdout]    |
[INFO] [stdout] 39 |             graph_connections.get_mut(&last).unwrap().push(first.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:83:43
[INFO] [stdout]    |
[INFO] [stdout] 83 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:83:62
[INFO] [stdout]    |
[INFO] [stdout] 83 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:85:65
[INFO] [stdout]    |
[INFO] [stdout] 85 |             graph_connections.get_mut(&first).unwrap().push(last.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:88:62
[INFO] [stdout]    |
[INFO] [stdout] 88 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:90:65
[INFO] [stdout]    |
[INFO] [stdout] 90 |             graph_connections.get_mut(&last).unwrap().push(first.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:32:62
[INFO] [stdout]    |
[INFO] [stdout] 32 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:34:65
[INFO] [stdout]    |
[INFO] [stdout] 34 |             graph_connections.get_mut(&first).unwrap().push(last.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:37:62
[INFO] [stdout]    |
[INFO] [stdout] 37 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:39:65
[INFO] [stdout]    |
[INFO] [stdout] 39 |             graph_connections.get_mut(&last).unwrap().push(first.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:83:43
[INFO] [stdout]    |
[INFO] [stdout] 83 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:83:62
[INFO] [stdout]    |
[INFO] [stdout] 83 |             graph_connections.insert(first.clone(), vec![last.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:85:65
[INFO] [stdout]    |
[INFO] [stdout] 85 |             graph_connections.get_mut(&first).unwrap().push(last.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:88:62
[INFO] [stdout]    |
[INFO] [stdout] 88 |             graph_connections.insert(last.clone(), vec![first.clone()]);
[INFO] [stdout]    |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day12.rs:90:65
[INFO] [stdout]    |
[INFO] [stdout] 90 |             graph_connections.get_mut(&last).unwrap().push(first.clone());
[INFO] [stdout]    |                                                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "74d0ae9b709759b938b1d7d5074e4bfa4c0a02e8c0daed1a7ae812109d375da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d0ae9b709759b938b1d7d5074e4bfa4c0a02e8c0daed1a7ae812109d375da8", kill_on_drop: false }`
[INFO] [stdout] 74d0ae9b709759b938b1d7d5074e4bfa4c0a02e8c0daed1a7ae812109d375da8