[INFO] fetching crate watchy 0.1.2...
[INFO] checking watchy-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate watchy 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate watchy 0.1.2
[INFO] finished tweaking crates.io crate watchy 0.1.2
[INFO] tweaked toml for crates.io crate watchy 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate watchy 0.1.2 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] crate crates.io crate watchy 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8cf5c332487b92e391f4126838a76628f85cefdb90afa55b903ef042876de1e4
[INFO] running `Command { std: "docker" "start" "-a" "8cf5c332487b92e391f4126838a76628f85cefdb90afa55b903ef042876de1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf5c332487b92e391f4126838a76628f85cefdb90afa55b903ef042876de1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf5c332487b92e391f4126838a76628f85cefdb90afa55b903ef042876de1e4", kill_on_drop: false }`
[INFO] [stdout] 8cf5c332487b92e391f4126838a76628f85cefdb90afa55b903ef042876de1e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8cd5426e8c6314871c208ae7fd5c7ea1c50e7ab9ee11f4f2d4bca2cbf2cb7c3d
[INFO] running `Command { std: "docker" "start" "-a" "8cd5426e8c6314871c208ae7fd5c7ea1c50e7ab9ee11f4f2d4bca2cbf2cb7c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking clap v4.5.29
[INFO] [stderr]     Checking watchy v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/lib.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Ok(hash.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; 32], Infallible>
[INFO] [stdout]   --> src/lib.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Ok(hash.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] [stderr] error: could not compile `watchy` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `watchy` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8cd5426e8c6314871c208ae7fd5c7ea1c50e7ab9ee11f4f2d4bca2cbf2cb7c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd5426e8c6314871c208ae7fd5c7ea1c50e7ab9ee11f4f2d4bca2cbf2cb7c3d", kill_on_drop: false }`
[INFO] [stdout] 8cd5426e8c6314871c208ae7fd5c7ea1c50e7ab9ee11f4f2d4bca2cbf2cb7c3d