[INFO] cloning repository https://github.com/ThatBooRadley/terrain_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatBooRadley/terrain_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatBooRadley%2Fterrain_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatBooRadley%2Fterrain_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9591726d4b82954a6ea0667b218d7912f15a96e4
[INFO] checking ThatBooRadley/terrain_generator 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%2FThatBooRadley%2Fterrain_generator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ThatBooRadley/terrain_generator
[INFO] finished tweaking git repo https://github.com/ThatBooRadley/terrain_generator
[INFO] tweaked toml for git repo https://github.com/ThatBooRadley/terrain_generator written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThatBooRadley/terrain_generator 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/ThatBooRadley/terrain_generator 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8a2d4a72486907fa257b2cc2249d57cb1734aca2d5437198e37b9e75bd4f0d10
[INFO] running `Command { std: "docker" "start" "-a" "8a2d4a72486907fa257b2cc2249d57cb1734aca2d5437198e37b9e75bd4f0d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a2d4a72486907fa257b2cc2249d57cb1734aca2d5437198e37b9e75bd4f0d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2d4a72486907fa257b2cc2249d57cb1734aca2d5437198e37b9e75bd4f0d10", kill_on_drop: false }`
[INFO] [stdout] 8a2d4a72486907fa257b2cc2249d57cb1734aca2d5437198e37b9e75bd4f0d10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 16471005b732eee9017cb0fbd084deb4f9a4f7923435bf0d94c21af9618c81e2
[INFO] running `Command { std: "docker" "start" "-a" "16471005b732eee9017cb0fbd084deb4f9a4f7923435bf0d94c21af9618c81e2", kill_on_drop: false }`
[INFO] [stderr]     Checking terrain_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `display_new` is never used
[INFO] [stdout]   --> src/main.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl HeightMap {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn display_new(seed: String) -> Self {  //displays each generation as it's generating
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[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<usize, Infallible>
[INFO] [stdout]   --> src/main.rs:60:75
[INFO] [stdout]    |
[INFO] [stdout] 60 |         seed.as_bytes().iter().enumerate().for_each(|(i, u)| total += i * TryInto::<usize>::try_into(*u).unwrap_or(0));
[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<usize, Infallible>
[INFO] [stdout]   --> src/main.rs:83:75
[INFO] [stdout]    |
[INFO] [stdout] 83 |         seed.as_bytes().iter().enumerate().for_each(|(i, u)| total += i * TryInto::<usize>::try_into(*u).unwrap_or(0));
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `terrain_generator` (bin "terrain_generator" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function `display_new` is never used
[INFO] [stdout]   --> src/main.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl HeightMap {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn display_new(seed: String) -> Self {  //displays each generation as it's generating
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[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<usize, Infallible>
[INFO] [stdout]   --> src/main.rs:60:75
[INFO] [stdout]    |
[INFO] [stdout] 60 |         seed.as_bytes().iter().enumerate().for_each(|(i, u)| total += i * TryInto::<usize>::try_into(*u).unwrap_or(0));
[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<usize, Infallible>
[INFO] [stdout]   --> src/main.rs:83:75
[INFO] [stdout]    |
[INFO] [stdout] 83 |         seed.as_bytes().iter().enumerate().for_each(|(i, u)| total += i * TryInto::<usize>::try_into(*u).unwrap_or(0));
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `terrain_generator` (bin "terrain_generator") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "16471005b732eee9017cb0fbd084deb4f9a4f7923435bf0d94c21af9618c81e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16471005b732eee9017cb0fbd084deb4f9a4f7923435bf0d94c21af9618c81e2", kill_on_drop: false }`
[INFO] [stdout] 16471005b732eee9017cb0fbd084deb4f9a4f7923435bf0d94c21af9618c81e2