[INFO] cloning repository https://github.com/StrawberryDan/eldorado
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StrawberryDan/eldorado" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStrawberryDan%2Feldorado", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStrawberryDan%2Feldorado'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1056a1c484e534aef783bb24f391b235357625ad
[INFO] checking StrawberryDan/eldorado against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStrawberryDan%2Feldorado" "/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/StrawberryDan/eldorado
[INFO] finished tweaking git repo https://github.com/StrawberryDan/eldorado
[INFO] tweaked toml for git repo https://github.com/StrawberryDan/eldorado written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/StrawberryDan/eldorado on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/StrawberryDan/eldorado 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe2463cbf21c78c3cf339bf9b785f2c4a1e526a023b8ed2d443df0d5c6bcd769
[INFO] running `Command { std: "docker" "start" "-a" "fe2463cbf21c78c3cf339bf9b785f2c4a1e526a023b8ed2d443df0d5c6bcd769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe2463cbf21c78c3cf339bf9b785f2c4a1e526a023b8ed2d443df0d5c6bcd769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2463cbf21c78c3cf339bf9b785f2c4a1e526a023b8ed2d443df0d5c6bcd769", kill_on_drop: false }`
[INFO] [stdout] fe2463cbf21c78c3cf339bf9b785f2c4a1e526a023b8ed2d443df0d5c6bcd769
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328728f983d041c810878084ab25d9193ae874fd5d77a8b79f41fc91489f0342
[INFO] running `Command { std: "docker" "start" "-a" "328728f983d041c810878084ab25d9193ae874fd5d77a8b79f41fc91489f0342", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking eldorado v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/topography/heightmap.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 |                         let value = unsafe { std::mem::transmute::<[u8; 2], u16>(bytes) };
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 52 -                         let value = unsafe { std::mem::transmute::<[u8; 2], u16>(bytes) };
[INFO] [stdout] 52 +                         let value = unsafe { u16::from_ne_bytes(bytes) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Configuration` is never constructed
[INFO] [stdout]   --> src/region/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Configuration {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_file`, `from_string`, and `from_json` are never used
[INFO] [stdout]   --> src/region/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Configuration {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] 27 |     fn from_file(file: impl AsRef<OsStr>) -> Result<Self, String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn from_string(string: impl AsRef<str>) -> Result<Self, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn from_json(json: JsonValue) -> Result<Self, String> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/topography/heightmap.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 |                         let value = unsafe { std::mem::transmute::<[u8; 2], u16>(bytes) };
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 52 -                         let value = unsafe { std::mem::transmute::<[u8; 2], u16>(bytes) };
[INFO] [stdout] 52 +                         let value = unsafe { u16::from_ne_bytes(bytes) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eldorado` (bin "eldorado") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "328728f983d041c810878084ab25d9193ae874fd5d77a8b79f41fc91489f0342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328728f983d041c810878084ab25d9193ae874fd5d77a8b79f41fc91489f0342", kill_on_drop: false }`
[INFO] [stdout] 328728f983d041c810878084ab25d9193ae874fd5d77a8b79f41fc91489f0342
