[INFO] cloning repository https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrankBosman/Advent_Of_Code_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76a79a611a26f7be8963fa8c1536e15b7de800da
[INFO] checking FrankBosman/Advent_Of_Code_2021 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] finished tweaking git repo https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] tweaked toml for git repo https://github.com/FrankBosman/Advent_Of_Code_2021 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FrankBosman/Advent_Of_Code_2021 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FrankBosman/Advent_Of_Code_2021 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239
[INFO] running `Command { std: "docker" "start" "1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking Advent_Of_Code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Advent_Of_Code_2021` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code_2021`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day4/day4.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     losing_number = numbers[(number_index - 1)];
[INFO] [stdout] 77 +     losing_number = numbers[number_index - 1];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day4/day4.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     losing_number = numbers[(number_index - 1)];
[INFO] [stdout] 77 +     losing_number = numbers[number_index - 1];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `losing_number` is never read
[INFO] [stdout]   --> src/day4/day4.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut losing_number = 0;
[INFO] [stdout]    |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[INFO] [stdout]    |     ------------------------------------------- `losing_number` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `losing_number` is never read
[INFO] [stdout]   --> src/day4/day4.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut losing_number = 0;
[INFO] [stdout]    |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[INFO] [stdout]    |     ------------------------------------------- `losing_number` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/day12/day12.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if !cave.contains_key(name1.into()) {cave.insert(name1.into(), RefCell::new(Node::new(name1.into())));}
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 39 -         if !cave.contains_key(name1.into()) {cave.insert(name1.into(), RefCell::new(Node::new(name1.into())));}
[INFO] [stdout] 39 +         if !cave.contains_key(name1) {cave.insert(name1.into(), RefCell::new(Node::new(name1.into())));}
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 39 -         if !cave.contains_key(name1.into()) {cave.insert(name1.into(), RefCell::new(Node::new(name1.into())));}
[INFO] [stdout] 39 +         if !cave.contains_key(<&str as Into<_>>::into(name1)) {cave.insert(name1.into(), RefCell::new(Node::new(name1.into())));}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/day12/day12.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if !cave.contains_key(name2.into()) {cave.insert(name2.into(), RefCell::new(Node::new(name2.into())));}
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 40 -         if !cave.contains_key(name2.into()) {cave.insert(name2.into(), RefCell::new(Node::new(name2.into())));}
[INFO] [stdout] 40 +         if !cave.contains_key(name2) {cave.insert(name2.into(), RefCell::new(Node::new(name2.into())));}
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 40 -         if !cave.contains_key(name2.into()) {cave.insert(name2.into(), RefCell::new(Node::new(name2.into())));}
[INFO] [stdout] 40 +         if !cave.contains_key(<&str as Into<_>>::into(name2)) {cave.insert(name2.into(), RefCell::new(Node::new(name2.into())));}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/day12/day12.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let node1 = cave.get(name1.into()).unwrap().borrow_mut();
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 43 -         let node1 = cave.get(name1.into()).unwrap().borrow_mut();
[INFO] [stdout] 43 +         let node1 = cave.get(name1).unwrap().borrow_mut();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 43 -         let node1 = cave.get(name1.into()).unwrap().borrow_mut();
[INFO] [stdout] 43 +         let node1 = cave.get(<&str as Into<_>>::into(name1)).unwrap().borrow_mut();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/day12/day12.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let node2 = cave.get(name2.into()).unwrap().borrow_mut();
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 44 -         let node2 = cave.get(name2.into()).unwrap().borrow_mut();
[INFO] [stdout] 44 +         let node2 = cave.get(name2).unwrap().borrow_mut();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 44 -         let node2 = cave.get(name2.into()).unwrap().borrow_mut();
[INFO] [stdout] 44 +         let node2 = cave.get(<&str as Into<_>>::into(name2)).unwrap().borrow_mut();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&String`
[INFO] [stdout]   --> src/day12/day12.rs:75:33
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let node = cave.get(connection.into()).unwrap().borrow();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 75 -             let node = cave.get(connection.into()).unwrap().borrow();
[INFO] [stdout] 75 +             let node = cave.get(connection).unwrap().borrow();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 75 -             let node = cave.get(connection.into()).unwrap().borrow();
[INFO] [stdout] 75 +             let node = cave.get(<&String as Into<_>>::into(connection)).unwrap().borrow();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&String`
[INFO] [stdout]   --> src/day12/day12.rs:94:33
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let node = cave.get(connection.into()).unwrap().borrow();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 94 -             let node = cave.get(connection.into()).unwrap().borrow();
[INFO] [stdout] 94 +             let node = cave.get(connection).unwrap().borrow();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 94 -             let node = cave.get(connection.into()).unwrap().borrow();
[INFO] [stdout] 94 +             let node = cave.get(<&String as Into<_>>::into(connection)).unwrap().borrow();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Advent_Of_Code_2021` (bin "day12") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239", kill_on_drop: false }`
[INFO] [stdout] 1e4dfa0cd50d7e9fa583f30a7460de50ffff34a9eb1b2ad4706d10c89e428239
