[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 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctorAkula%2FAOC2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DoctorAkula/AOC2021 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "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-3-tc2/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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a83ee9822224555fb50afd57d22f058e670ac63b5d68b9d6af99fce71435897
[INFO] running `Command { std: "docker" "start" "-a" "4a83ee9822224555fb50afd57d22f058e670ac63b5d68b9d6af99fce71435897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a83ee9822224555fb50afd57d22f058e670ac63b5d68b9d6af99fce71435897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a83ee9822224555fb50afd57d22f058e670ac63b5d68b9d6af99fce71435897", kill_on_drop: false }`
[INFO] [stdout] 4a83ee9822224555fb50afd57d22f058e670ac63b5d68b9d6af99fce71435897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b39cce359ae1e6fb0bdf65721125879dd53f998854f1c6290d564947628c6c
[INFO] running `Command { std: "docker" "start" "-a" "98b39cce359ae1e6fb0bdf65721125879dd53f998854f1c6290d564947628c6c", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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]    |                                           ^^^^^^^^ unnecessary method 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: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: 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]    |                                          ^^^^^^^^ unnecessary method 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] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: 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]    |                                           ^^^^^^^^ unnecessary method 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] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: 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]    |                                          ^^^^^^^^ unnecessary method 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] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: 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]    |                                           ^^^^^^^^ unnecessary method 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: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: 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]    |                                          ^^^^^^^^ unnecessary method 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] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: 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]    |                                           ^^^^^^^^ unnecessary method 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] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: 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]    |                                          ^^^^^^^^ unnecessary method 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] error: 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]    |                                                              ^^^^^^^^ unnecessary method 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] error: 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]    |                                                                 ^^^^^^^^ unnecessary method 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] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2021` (bin "aoc2021") due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `aoc2021` (bin "aoc2021" test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "98b39cce359ae1e6fb0bdf65721125879dd53f998854f1c6290d564947628c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b39cce359ae1e6fb0bdf65721125879dd53f998854f1c6290d564947628c6c", kill_on_drop: false }`
[INFO] [stdout] 98b39cce359ae1e6fb0bdf65721125879dd53f998854f1c6290d564947628c6c