[INFO] cloning repository https://github.com/JessJNielsen/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JessJNielsen/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4c4d2c580076ea63ef4f419e6826fa727339cea
[INFO] checking JessJNielsen/advent_of_code 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%2FJessJNielsen%2Fadvent_of_code" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JessJNielsen/advent_of_code
[INFO] finished tweaking git repo https://github.com/JessJNielsen/advent_of_code
[INFO] tweaked toml for git repo https://github.com/JessJNielsen/advent_of_code written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JessJNielsen/advent_of_code 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/JessJNielsen/advent_of_code 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] [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dfcc2d3b101fdce455fc7aee400f94716acdbb49233e06ab9dfc20992ccb45e4
[INFO] running `Command { std: "docker" "start" "-a" "dfcc2d3b101fdce455fc7aee400f94716acdbb49233e06ab9dfc20992ccb45e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfcc2d3b101fdce455fc7aee400f94716acdbb49233e06ab9dfc20992ccb45e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcc2d3b101fdce455fc7aee400f94716acdbb49233e06ab9dfc20992ccb45e4", kill_on_drop: false }`
[INFO] [stdout] dfcc2d3b101fdce455fc7aee400f94716acdbb49233e06ab9dfc20992ccb45e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bec8cd77062faf651cf156d13e617cfd765007295655b82938514f281d1f96e2
[INFO] running `Command { std: "docker" "start" "-a" "bec8cd77062faf651cf156d13e617cfd765007295655b82938514f281d1f96e2", 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]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking day_08 v0.1.0 (/opt/rustwide/workdir/days/day_08)
[INFO] [stderr]     Checking day_07 v0.1.0 (/opt/rustwide/workdir/days/day_07)
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stdout] warning: field `input` is never read
[INFO] [stdout]   --> days/day_08/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct InputEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 32 |     input: Vec<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputEntry` has derived impls for the traits `Clone` and `Debug`, but these are 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<String, Infallible>
[INFO] [stdout]   --> days/day_08/src/lib.rs:52:53
[INFO] [stdout]    |
[INFO] [stdout] 52 |             input: line_parts[0].split(' ').map(|s| s.parse().unwrap()).collect(),
[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<String, Infallible>
[INFO] [stdout]   --> days/day_08/src/lib.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |             output: line_parts[1].split(' ').map(|s| s.parse().unwrap()).collect(),
[INFO] [stdout]    |                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input` is never read
[INFO] [stdout]   --> days/day_08/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct InputEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 32 |     input: Vec<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day_08` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> days/day_08/src/lib.rs:52:53
[INFO] [stdout]    |
[INFO] [stdout] 52 |             input: line_parts[0].split(' ').map(|s| s.parse().unwrap()).collect(),
[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<String, Infallible>
[INFO] [stdout]   --> days/day_08/src/lib.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |             output: line_parts[1].split(' ').map(|s| s.parse().unwrap()).collect(),
[INFO] [stdout]    |                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day_08` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bec8cd77062faf651cf156d13e617cfd765007295655b82938514f281d1f96e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec8cd77062faf651cf156d13e617cfd765007295655b82938514f281d1f96e2", kill_on_drop: false }`
[INFO] [stdout] bec8cd77062faf651cf156d13e617cfd765007295655b82938514f281d1f96e2