[INFO] fetching crate voxel_chunk 0.0.2...
[INFO] checking voxel_chunk-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate voxel_chunk 0.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate voxel_chunk 0.0.2
[INFO] finished tweaking crates.io crate voxel_chunk 0.0.2
[INFO] tweaked toml for crates.io crate voxel_chunk 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate voxel_chunk 0.0.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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-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] a189a8d01754216fb4a612efc4e594b2bb9f05d11e945f0a69e9cbe0bcbadd00
[INFO] running `Command { std: "docker" "start" "-a" "a189a8d01754216fb4a612efc4e594b2bb9f05d11e945f0a69e9cbe0bcbadd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a189a8d01754216fb4a612efc4e594b2bb9f05d11e945f0a69e9cbe0bcbadd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a189a8d01754216fb4a612efc4e594b2bb9f05d11e945f0a69e9cbe0bcbadd00", kill_on_drop: false }`
[INFO] [stdout] a189a8d01754216fb4a612efc4e594b2bb9f05d11e945f0a69e9cbe0bcbadd00
[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] 10394b2af5d28d1b6bad257aac1f0d8b4a42a0df91555a2aa501c58b8cf9d60d
[INFO] running `Command { std: "docker" "start" "-a" "10394b2af5d28d1b6bad257aac1f0d8b4a42a0df91555a2aa501c58b8cf9d60d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking voxel_chunk v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/chunk.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let x: u8 = (index / 16).try_into().unwrap();
[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<u8, Infallible>
[INFO] [stdout]    --> src/chunk.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let z: u8 = index.try_into().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `voxel_chunk` (lib) 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: Result<u8, Infallible>
[INFO] [stdout]    --> src/chunk.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let x: u8 = (index / 16).try_into().unwrap();
[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<u8, Infallible>
[INFO] [stdout]    --> src/chunk.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let z: u8 = index.try_into().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `voxel_chunk` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "10394b2af5d28d1b6bad257aac1f0d8b4a42a0df91555a2aa501c58b8cf9d60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10394b2af5d28d1b6bad257aac1f0d8b4a42a0df91555a2aa501c58b8cf9d60d", kill_on_drop: false }`
[INFO] [stdout] 10394b2af5d28d1b6bad257aac1f0d8b4a42a0df91555a2aa501c58b8cf9d60d
