[INFO] cloning repository https://github.com/emeryc/aoc_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emeryc/aoc_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femeryc%2Faoc_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femeryc%2Faoc_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16d89dc1b3c513830a70fd8f8ccfd05fdadb68ce
[INFO] checking emeryc/aoc_2021 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%2Femeryc%2Faoc_2021" "/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/emeryc/aoc_2021
[INFO] finished tweaking git repo https://github.com/emeryc/aoc_2021
[INFO] tweaked toml for git repo https://github.com/emeryc/aoc_2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emeryc/aoc_2021 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/emeryc/aoc_2021 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f75e09d43dfe366be91374db2c0703188e233cb99dde192988aa8648b95ac3c
[INFO] running `Command { std: "docker" "start" "-a" "8f75e09d43dfe366be91374db2c0703188e233cb99dde192988aa8648b95ac3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f75e09d43dfe366be91374db2c0703188e233cb99dde192988aa8648b95ac3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f75e09d43dfe366be91374db2c0703188e233cb99dde192988aa8648b95ac3c", kill_on_drop: false }`
[INFO] [stdout] 8f75e09d43dfe366be91374db2c0703188e233cb99dde192988aa8648b95ac3c
[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 -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] 5a1c76e98d6f9da99cd1fba42a436279a24548f4e77f484ff3d9477052dc6511
[INFO] running `Command { std: "docker" "start" "-a" "5a1c76e98d6f9da99cd1fba42a436279a24548f4e77f484ff3d9477052dc6511", kill_on_drop: false }`
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<String>>
[INFO] [stdout]   --> src/bin/day04.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let _t: Vec<String> = std_parse(input)?;
[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<Vec<String>, Infallible>
[INFO] [stdout]   --> src/bin/day04.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let _t: Vec<String> = std_parse(input)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` (bin "day04") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Vec<String>>
[INFO] [stdout]  --> src/bin/template.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let _t: Vec<String> = std_parse(input)?;
[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<Vec<String>, Infallible>
[INFO] [stdout]  --> src/bin/template.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let _t: Vec<String> = std_parse(input)?;
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, Vec<String>>
[INFO] [stdout]   --> src/bin/day04.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let _t: Vec<String> = std_parse(input)?;
[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: std::result::Result<Vec<String>, Infallible>
[INFO] [stdout]   --> src/bin/day04.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let _t: Vec<String> = std_parse(input)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` (bin "day04" test) due to 2 previous errors
[INFO] [stderr] error: could not compile `aoc` (bin "template") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5a1c76e98d6f9da99cd1fba42a436279a24548f4e77f484ff3d9477052dc6511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1c76e98d6f9da99cd1fba42a436279a24548f4e77f484ff3d9477052dc6511", kill_on_drop: false }`
[INFO] [stdout] 5a1c76e98d6f9da99cd1fba42a436279a24548f4e77f484ff3d9477052dc6511
