[INFO] cloning repository https://github.com/JoelRoxell/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoelRoxell/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelRoxell%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelRoxell%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 992a32e1e1fe89facc62823cadd2baa7c84a660f
[INFO] checking JoelRoxell/aoc2021 against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelRoxell%2Faoc2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JoelRoxell/aoc2021
[INFO] finished tweaking git repo https://github.com/JoelRoxell/aoc2021
[INFO] tweaked toml for git repo https://github.com/JoelRoxell/aoc2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JoelRoxell/aoc2021 on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JoelRoxell/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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] debdf9424f1d532bfed7695c26286d6d41c07029f62c4649036e86e7f9adebd4
[INFO] running `Command { std: "docker" "start" "-a" "debdf9424f1d532bfed7695c26286d6d41c07029f62c4649036e86e7f9adebd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "debdf9424f1d532bfed7695c26286d6d41c07029f62c4649036e86e7f9adebd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "debdf9424f1d532bfed7695c26286d6d41c07029f62c4649036e86e7f9adebd4", kill_on_drop: false }`
[INFO] [stdout] debdf9424f1d532bfed7695c26286d6d41c07029f62c4649036e86e7f9adebd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19daeeb00827a89bfab21cd982e1f30e76a5b2dffbf26f4373f875e01f182cb9
[INFO] running `Command { std: "docker" "start" "-a" "19daeeb00827a89bfab21cd982e1f30e76a5b2dffbf26f4373f875e01f182cb9", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]     Checking d_01 v0.1.0 (/opt/rustwide/workdir/d_01)
[INFO] [stderr]     Checking d_09 v0.1.0 (/opt/rustwide/workdir/d_09)
[INFO] [stderr]     Checking d_10 v0.1.0 (/opt/rustwide/workdir/d_10)
[INFO] [stderr]     Checking d_12 v0.1.0 (/opt/rustwide/workdir/d_12)
[INFO] [stderr]     Checking d_06 v0.1.0 (/opt/rustwide/workdir/d_06)
[INFO] [stderr]     Checking d_04 v0.1.0 (/opt/rustwide/workdir/d_04)
[INFO] [stderr]     Checking d_05 v0.1.0 (/opt/rustwide/workdir/d_05)
[INFO] [stderr]     Checking d_03 v0.1.0 (/opt/rustwide/workdir/d_03)
[INFO] [stderr]     Checking d_02 v0.1.0 (/opt/rustwide/workdir/d_02)
[INFO] [stderr]     Checking d_08 v0.1.0 (/opt/rustwide/workdir/d_08)
[INFO] [stderr]     Checking d_13 v0.1.0 (/opt/rustwide/workdir/d_13)
[INFO] [stderr]     Checking d_11 v0.1.0 (/opt/rustwide/workdir/d_11)
[INFO] [stdout] warning: unused import: `sort`
[INFO] [stdout]    --> d_08/src/lib.rs:242:57
[INFO] [stdout]     |
[INFO] [stdout] 242 |         get_number, read_input, solve_given, solve_row, sort, str_permutation, transform_puzzle, N,
[INFO] [stdout]     |                                                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking d_07 v0.1.0 (/opt/rustwide/workdir/d_07)
[INFO] [stdout] warning: unused import: `fmt::LowerExp`
[INFO] [stdout]  --> d_07/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fmt::LowerExp};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d_07/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut unique: Vec<i32> = h.iter().map(|(_, i)| *i).collect();
[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: `unique`
[INFO] [stdout]   --> d_07/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut unique: Vec<i32> = h.iter().map(|(_, i)| *i).collect();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unique`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_dat` is never used
[INFO] [stdout]    --> d_04/src/lib.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn read_dat() {}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> d_04/src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         format!("stop: {}\nb1: {}", stop, b);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let _ = format!("stop: {}\nb1: {}", stop, b);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::LowerExp`
[INFO] [stdout]  --> d_07/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fmt::LowerExp};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d_07/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut unique: Vec<i32> = h.iter().map(|(_, i)| *i).collect();
[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: `unique`
[INFO] [stdout]   --> d_07/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut unique: Vec<i32> = h.iter().map(|(_, i)| *i).collect();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unique`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "19daeeb00827a89bfab21cd982e1f30e76a5b2dffbf26f4373f875e01f182cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19daeeb00827a89bfab21cd982e1f30e76a5b2dffbf26f4373f875e01f182cb9", kill_on_drop: false }`
[INFO] [stdout] 19daeeb00827a89bfab21cd982e1f30e76a5b2dffbf26f4373f875e01f182cb9
