[INFO] cloning repository https://github.com/FFFFFFFXXXXXXX/AoC-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FFFFFFFXXXXXXX/AoC-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFFFFFFFXXXXXXX%2FAoC-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFFFFFFFXXXXXXX%2FAoC-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d30dbd614489a2da009a6890a74ace882e3437e
[INFO] checking FFFFFFFXXXXXXX/AoC-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%2FFFFFFFFXXXXXXX%2FAoC-Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FFFFFFFXXXXXXX/AoC-Rust
[INFO] finished tweaking git repo https://github.com/FFFFFFFXXXXXXX/AoC-Rust
[INFO] tweaked toml for git repo https://github.com/FFFFFFFXXXXXXX/AoC-Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FFFFFFFXXXXXXX/AoC-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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6f21d199e5a2e25fdc94aab108b3e78da6631bdd72e3ffafee0ed508f08b2caa
[INFO] running `Command { std: "docker" "start" "-a" "6f21d199e5a2e25fdc94aab108b3e78da6631bdd72e3ffafee0ed508f08b2caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f21d199e5a2e25fdc94aab108b3e78da6631bdd72e3ffafee0ed508f08b2caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f21d199e5a2e25fdc94aab108b3e78da6631bdd72e3ffafee0ed508f08b2caa", kill_on_drop: false }`
[INFO] [stdout] 6f21d199e5a2e25fdc94aab108b3e78da6631bdd72e3ffafee0ed508f08b2caa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 45fb6672864af7256994b051f573a00689e14afcc761b0bf0b887de4b7508cd8
[INFO] running `Command { std: "docker" "start" "-a" "45fb6672864af7256994b051f573a00689e14afcc761b0bf0b887de4b7508cd8", kill_on_drop: false }`
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]     Checking day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]     Checking day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stdout] error: this type will no longer be must used: Result<Almanac, Infallible>
[INFO] [stdout]   --> day5/src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let almanac = Almanac::from_str(layers).unwrap();
[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<Mapping, Infallible>
[INFO] [stdout]   --> day5/src/almanac.rs:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 55 | |         let mut split = s.splitn(3, ' ');
[INFO] [stdout] 56 | |
[INFO] [stdout] 57 | |         let destination = split.next().unwrap().parse::<i64>().unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |         })
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Mapping, Infallible>
[INFO] [stdout]   --> day5/src/almanac.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | /         Ok(Self {
[INFO] [stdout] 62 | |             source: source..source + length,
[INFO] [stdout] 63 | |             shift: destination - source,
[INFO] [stdout] 64 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Layer, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:118:53
[INFO] [stdout]     |
[INFO] [stdout] 118 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 119 | |         Ok(Self {
[INFO] [stdout] 120 | |             mappings: s
[INFO] [stdout] 121 | |                 .split_once('\n')
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |         })
[INFO] [stdout] 129 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Layer, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 | /         Ok(Self {
[INFO] [stdout] 120 | |             mappings: s
[INFO] [stdout] 121 | |                 .split_once('\n')
[INFO] [stdout] 122 | |                 .unwrap()
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |                 .collect(),
[INFO] [stdout] 128 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Almanac, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:159:53
[INFO] [stdout]     |
[INFO] [stdout] 159 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 160 | |         Ok(Self {
[INFO] [stdout] 161 | |             layers: s
[INFO] [stdout] 162 | |                 .split("\n\n")
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |         })
[INFO] [stdout] 169 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Almanac, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | /         Ok(Self {
[INFO] [stdout] 161 | |             layers: s
[INFO] [stdout] 162 | |                 .split("\n\n")
[INFO] [stdout] 163 | |                 .map(Layer::from_str)
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                 .unwrap(),
[INFO] [stdout] 168 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day5` (bin "day5" test) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Almanac, Infallible>
[INFO] [stdout]   --> day5/src/main.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let almanac = Almanac::from_str(layers).unwrap();
[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<Mapping, Infallible>
[INFO] [stdout]   --> day5/src/almanac.rs:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 55 | |         let mut split = s.splitn(3, ' ');
[INFO] [stdout] 56 | |
[INFO] [stdout] 57 | |         let destination = split.next().unwrap().parse::<i64>().unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |         })
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Mapping, Infallible>
[INFO] [stdout]   --> day5/src/almanac.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | /         Ok(Self {
[INFO] [stdout] 62 | |             source: source..source + length,
[INFO] [stdout] 63 | |             shift: destination - source,
[INFO] [stdout] 64 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Layer, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:118:53
[INFO] [stdout]     |
[INFO] [stdout] 118 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 119 | |         Ok(Self {
[INFO] [stdout] 120 | |             mappings: s
[INFO] [stdout] 121 | |                 .split_once('\n')
[INFO] [stdout] ...   |
[INFO] [stdout] 128 | |         })
[INFO] [stdout] 129 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Layer, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 | /         Ok(Self {
[INFO] [stdout] 120 | |             mappings: s
[INFO] [stdout] 121 | |                 .split_once('\n')
[INFO] [stdout] 122 | |                 .unwrap()
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |                 .collect(),
[INFO] [stdout] 128 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Almanac, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:159:53
[INFO] [stdout]     |
[INFO] [stdout] 159 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 160 | |         Ok(Self {
[INFO] [stdout] 161 | |             layers: s
[INFO] [stdout] 162 | |                 .split("\n\n")
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |         })
[INFO] [stdout] 169 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Almanac, Infallible>
[INFO] [stdout]    --> day5/src/almanac.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | /         Ok(Self {
[INFO] [stdout] 161 | |             layers: s
[INFO] [stdout] 162 | |                 .split("\n\n")
[INFO] [stdout] 163 | |                 .map(Layer::from_str)
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |                 .unwrap(),
[INFO] [stdout] 168 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day5` (bin "day5") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "45fb6672864af7256994b051f573a00689e14afcc761b0bf0b887de4b7508cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fb6672864af7256994b051f573a00689e14afcc761b0bf0b887de4b7508cd8", kill_on_drop: false }`
[INFO] [stdout] 45fb6672864af7256994b051f573a00689e14afcc761b0bf0b887de4b7508cd8
