[INFO] cloning repository https://github.com/blakemr/aoc22
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakemr/aoc22" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakemr%2Faoc22", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakemr%2Faoc22'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e14b3d69f81829716ded90adc828d86dbecdf60
[INFO] checking blakemr/aoc22 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%2Fblakemr%2Faoc22" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/blakemr/aoc22
[INFO] finished tweaking git repo https://github.com/blakemr/aoc22
[INFO] tweaked toml for git repo https://github.com/blakemr/aoc22 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blakemr/aoc22 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/blakemr/aoc22 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cb8e7fcc17aa90db2cbca5b2bf669496b29e20e89f115055252140ba7bfce2e6
[INFO] running `Command { std: "docker" "start" "-a" "cb8e7fcc17aa90db2cbca5b2bf669496b29e20e89f115055252140ba7bfce2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8e7fcc17aa90db2cbca5b2bf669496b29e20e89f115055252140ba7bfce2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8e7fcc17aa90db2cbca5b2bf669496b29e20e89f115055252140ba7bfce2e6", kill_on_drop: false }`
[INFO] [stdout] cb8e7fcc17aa90db2cbca5b2bf669496b29e20e89f115055252140ba7bfce2e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9adcd2a13586666ea87c693659a112ada75f6d5455684deca6fb2455a8df06c6
[INFO] running `Command { std: "docker" "start" "-a" "9adcd2a13586666ea87c693659a112ada75f6d5455684deca6fb2455a8df06c6", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aoc22 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut time = 30;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let start = "AA";
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valve_time`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let valve_time = 1;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valve_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_time`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let travel_time = 1;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valves`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let valves = parse(input);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_valves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn part_2(input: &str) -> u32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flow` and `tunnels` are never read
[INFO] [stdout]  --> src/d16_proboscidea_volcanium.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Valve {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 8 |     flow: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     tunnels: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Valve` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut time = 30;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let start = "AA";
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valve_time`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let valve_time = 1;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_valve_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_time`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let travel_time = 1;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valves`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let valves = parse(input);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_valves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/d16_proboscidea_volcanium.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn part_2(input: &str) -> u32 {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Monkey, Infallible>
[INFO] [stdout]    --> src/d11_monkey_in_the_middle.rs:65:53
[INFO] [stdout]     |
[INFO] [stdout]  65 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout]  66 | |         let mut input = s.lines();
[INFO] [stdout]  67 | |         input.next(); // Drop: Monkey X:
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |         })
[INFO] [stdout] 136 | |     }
[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<Monkey, Infallible>
[INFO] [stdout]    --> src/d11_monkey_in_the_middle.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 | /         Ok(Monkey {
[INFO] [stdout] 129 | |             items,
[INFO] [stdout] 130 | |             op,
[INFO] [stdout] 131 | |             throw_n,
[INFO] [stdout] ...   |
[INFO] [stdout] 134 | |             inpections: 0,
[INFO] [stdout] 135 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Monkey, Infallible>
[INFO] [stdout]    --> src/d11_monkey_in_the_middle.rs:185:23
[INFO] [stdout]     |
[INFO] [stdout] 185 |         .map(|monkey| monkey.parse::<Monkey>().unwrap())
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Signal, Infallible>
[INFO] [stdout]    --> src/d13_distress_signal.rs:98:53
[INFO] [stdout]     |
[INFO] [stdout]  98 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout]  99 | |         let mut lines = s.lines();
[INFO] [stdout] 100 | |         let (left, right) = (
[INFO] [stdout] 101 | |             lines.next().unwrap().parse().unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |         Ok(Signal { left, right })
[INFO] [stdout] 106 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Signal, Infallible>
[INFO] [stdout]    --> src/d13_distress_signal.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         Ok(Signal { left, right })
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Signal, Infallible>
[INFO] [stdout]    --> src/d13_distress_signal.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |     signals.map(|pair| pair.parse().unwrap()).collect()
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc22` (lib) due to 6 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `flow` and `tunnels` are never read
[INFO] [stdout]  --> src/d16_proboscidea_volcanium.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Valve {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 8 |     flow: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     tunnels: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Valve` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Monkey, Infallible>
[INFO] [stdout]    --> src/d11_monkey_in_the_middle.rs:65:53
[INFO] [stdout]     |
[INFO] [stdout]  65 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout]  66 | |         let mut input = s.lines();
[INFO] [stdout]  67 | |         input.next(); // Drop: Monkey X:
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |         })
[INFO] [stdout] 136 | |     }
[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<Monkey, Infallible>
[INFO] [stdout]    --> src/d11_monkey_in_the_middle.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 | /         Ok(Monkey {
[INFO] [stdout] 129 | |             items,
[INFO] [stdout] 130 | |             op,
[INFO] [stdout] 131 | |             throw_n,
[INFO] [stdout] ...   |
[INFO] [stdout] 134 | |             inpections: 0,
[INFO] [stdout] 135 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Monkey, Infallible>
[INFO] [stdout]    --> src/d11_monkey_in_the_middle.rs:185:23
[INFO] [stdout]     |
[INFO] [stdout] 185 |         .map(|monkey| monkey.parse::<Monkey>().unwrap())
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Signal, Infallible>
[INFO] [stdout]    --> src/d13_distress_signal.rs:98:53
[INFO] [stdout]     |
[INFO] [stdout]  98 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout]  99 | |         let mut lines = s.lines();
[INFO] [stdout] 100 | |         let (left, right) = (
[INFO] [stdout] 101 | |             lines.next().unwrap().parse().unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |         Ok(Signal { left, right })
[INFO] [stdout] 106 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Signal, Infallible>
[INFO] [stdout]    --> src/d13_distress_signal.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         Ok(Signal { left, right })
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Signal, Infallible>
[INFO] [stdout]    --> src/d13_distress_signal.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |     signals.map(|pair| pair.parse().unwrap()).collect()
[INFO] [stdout]     |                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc22` (lib test) due to 6 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9adcd2a13586666ea87c693659a112ada75f6d5455684deca6fb2455a8df06c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adcd2a13586666ea87c693659a112ada75f6d5455684deca6fb2455a8df06c6", kill_on_drop: false }`
[INFO] [stdout] 9adcd2a13586666ea87c693659a112ada75f6d5455684deca6fb2455a8df06c6