[INFO] fetching crate mcmodbuild 0.1.0...
[INFO] checking mcmodbuild-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mcmodbuild 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mcmodbuild 0.1.0
[INFO] finished tweaking crates.io crate mcmodbuild 0.1.0
[INFO] tweaked toml for crates.io crate mcmodbuild 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcmodbuild 0.1.0 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 mcmodbuild 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] b11c98eff1c2b4d0d1c1083fa2c6e57dcd46cc749c4482180a0a5d4970b0de72
[INFO] running `Command { std: "docker" "start" "-a" "b11c98eff1c2b4d0d1c1083fa2c6e57dcd46cc749c4482180a0a5d4970b0de72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b11c98eff1c2b4d0d1c1083fa2c6e57dcd46cc749c4482180a0a5d4970b0de72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11c98eff1c2b4d0d1c1083fa2c6e57dcd46cc749c4482180a0a5d4970b0de72", kill_on_drop: false }`
[INFO] [stdout] b11c98eff1c2b4d0d1c1083fa2c6e57dcd46cc749c4482180a0a5d4970b0de72
[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] 5e7b5e655cb2aa118ee9a10901bb3652c8d4cf57f639687f1dc61ead78ca745f
[INFO] running `Command { std: "docker" "start" "-a" "5e7b5e655cb2aa118ee9a10901bb3652c8d4cf57f639687f1dc61ead78ca745f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yml v0.0.12
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking downcast-rs v2.0.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking libyml v0.0.5
[INFO] [stderr]     Checking directories v6.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling oxfmt_derive v0.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]     Checking oxfmt v0.4.0
[INFO] [stderr]     Checking clap v4.5.41
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking mcmodbuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, BuildType>
[INFO] [stdout]   --> src/binary.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let build = BuildType::try_from(build_int)?;
[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<BuildType, Infallible>
[INFO] [stdout]   --> src/binary.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let build = BuildType::try_from(build_int)?;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, BuildType>
[INFO] [stdout]   --> src/binary.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let build = BuildType::try_from(build_int)?;
[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<BuildType, Infallible>
[INFO] [stdout]   --> src/binary.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let build = BuildType::try_from(build_int)?;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcmodbuild` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mcmodbuild` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5e7b5e655cb2aa118ee9a10901bb3652c8d4cf57f639687f1dc61ead78ca745f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7b5e655cb2aa118ee9a10901bb3652c8d4cf57f639687f1dc61ead78ca745f", kill_on_drop: false }`
[INFO] [stdout] 5e7b5e655cb2aa118ee9a10901bb3652c8d4cf57f639687f1dc61ead78ca745f
