[INFO] cloning repository https://github.com/jakesboy2/advent-of-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakesboy2/advent-of-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakesboy2%2Fadvent-of-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakesboy2%2Fadvent-of-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be3a407cf5d0e32df691c008803819031950d47b
[INFO] checking jakesboy2/advent-of-rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakesboy2%2Fadvent-of-rust" "/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/jakesboy2/advent-of-rust
[INFO] finished tweaking git repo https://github.com/jakesboy2/advent-of-rust
[INFO] tweaked toml for git repo https://github.com/jakesboy2/advent-of-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jakesboy2/advent-of-rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jakesboy2/advent-of-rust 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ad69e58b3282275d3ce0878786f1e1f5be91311d01c98a40b239ec5a6bb3840
[INFO] running `Command { std: "docker" "start" "-a" "0ad69e58b3282275d3ce0878786f1e1f5be91311d01c98a40b239ec5a6bb3840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ad69e58b3282275d3ce0878786f1e1f5be91311d01c98a40b239ec5a6bb3840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad69e58b3282275d3ce0878786f1e1f5be91311d01c98a40b239ec5a6bb3840", kill_on_drop: false }`
[INFO] [stdout] 0ad69e58b3282275d3ce0878786f1e1f5be91311d01c98a40b239ec5a6bb3840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e8f9eb4a912684b278e46b04b74ea0db152f655527bdf38de7109ac3d205a4
[INFO] running `Command { std: "docker" "start" "-a" "a2e8f9eb4a912684b278e46b04b74ea0db152f655527bdf38de7109ac3d205a4", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/day2.rs:36:51
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ___________________________________________________^
[INFO] [stdout] 37 | |     let mut game_data = Game::default();
[INFO] [stdout] 38 | |
[INFO] [stdout] 39 | |     let game_id = s.split(':').next().unwrap()
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     Ok(game_data)
[INFO] [stdout] 67 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/day2.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Ok(game_data)
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/day2.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let game_data = Game::from_str(line).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]    --> src/day2.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let game_data = Game::from_str(line).unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Card, Infallible>
[INFO] [stdout]   --> src/day4.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from_str (line: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 17 | |     let game_number: i32 = line.split(':')
[INFO] [stdout] 18 | |       .next().unwrap()
[INFO] [stdout] 19 | |       .split_whitespace()
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     })
[INFO] [stdout] 55 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Card, Infallible>
[INFO] [stdout]   --> src/day4.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |       return Ok(Card {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 50 | |       card_number: game_number,
[INFO] [stdout] 51 | |       numbers,
[INFO] [stdout] 52 | |       winning_numbers,
[INFO] [stdout] 53 | |       wins
[INFO] [stdout] 54 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Card, Infallible>
[INFO] [stdout]   --> src/day4.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let card = Card::from_str(line).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Card, Infallible>
[INFO] [stdout]    --> src/day4.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |   let card = Card::from_str(line).unwrap();
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Hand, Infallible>
[INFO] [stdout]    --> src/day7.rs:217:54
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn from_str(line: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 218 | |     let results: Vec<&str> = line.split_whitespace().collect();
[INFO] [stdout] 219 | |     let hand: Vec<char> = results.get(0).unwrap().trim().chars().collect();
[INFO] [stdout] 220 | |     let bet = results.get(1).unwrap().trim().parse().unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 228 | |     Ok(hand_struct)
[INFO] [stdout] 229 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Hand, Infallible>
[INFO] [stdout]    --> src/day7.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     Ok(hand_struct)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Hand, Infallible>
[INFO] [stdout]    --> src/day7.rs:334:16
[INFO] [stdout]     |
[INFO] [stdout] 334 |     let hand = Hand::from_str(line).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/day2.rs:36:51
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ___________________________________________________^
[INFO] [stdout] 37 | |     let mut game_data = Game::default();
[INFO] [stdout] 38 | |
[INFO] [stdout] 39 | |     let game_id = s.split(':').next().unwrap()
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     Ok(game_data)
[INFO] [stdout] 67 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/day2.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Ok(game_data)
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]   --> src/day2.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let game_data = Game::from_str(line).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Game, Infallible>
[INFO] [stdout]    --> src/day2.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let game_data = Game::from_str(line).unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day4::Card, Infallible>
[INFO] [stdout]   --> src/day4.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from_str (line: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 17 | |     let game_number: i32 = line.split(':')
[INFO] [stdout] 18 | |       .next().unwrap()
[INFO] [stdout] 19 | |       .split_whitespace()
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     })
[INFO] [stdout] 55 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day4::Card, Infallible>
[INFO] [stdout]   --> src/day4.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |       return Ok(Card {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 50 | |       card_number: game_number,
[INFO] [stdout] 51 | |       numbers,
[INFO] [stdout] 52 | |       winning_numbers,
[INFO] [stdout] 53 | |       wins
[INFO] [stdout] 54 | |     })
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day4::Card, Infallible>
[INFO] [stdout]   --> src/day4.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let card = Card::from_str(line).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day4::Card, Infallible>
[INFO] [stdout]    --> src/day4.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |   let card = Card::from_str(line).unwrap();
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day4::Card, Infallible>
[INFO] [stdout]    --> src/day4.rs:142:16
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let card = Card::from_str(string_val).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day7::Hand, Infallible>
[INFO] [stdout]    --> src/day7.rs:217:54
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn from_str(line: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 218 | |     let results: Vec<&str> = line.split_whitespace().collect();
[INFO] [stdout] 219 | |     let hand: Vec<char> = results.get(0).unwrap().trim().chars().collect();
[INFO] [stdout] 220 | |     let bet = results.get(1).unwrap().trim().parse().unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 228 | |     Ok(hand_struct)
[INFO] [stdout] 229 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day7::Hand, Infallible>
[INFO] [stdout]    --> src/day7.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     Ok(hand_struct)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<day7::Hand, Infallible>
[INFO] [stdout]    --> src/day7.rs:334:16
[INFO] [stdout]     |
[INFO] [stdout] 334 |     let hand = Hand::from_str(line).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-rust` (bin "advent-of-rust" test) due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `advent-of-rust` (bin "advent-of-rust") due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "a2e8f9eb4a912684b278e46b04b74ea0db152f655527bdf38de7109ac3d205a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e8f9eb4a912684b278e46b04b74ea0db152f655527bdf38de7109ac3d205a4", kill_on_drop: false }`
[INFO] [stdout] a2e8f9eb4a912684b278e46b04b74ea0db152f655527bdf38de7109ac3d205a4