[INFO] fetching crate mcap 0.23.4...
[INFO] checking mcap-0.23.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mcap 0.23.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mcap 0.23.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcap 0.23.4
[INFO] tweaked toml for crates.io crate mcap 0.23.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcap 0.23.4 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 mcap 0.23.4 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] 6b3cec9e10f990cf02445ad9eacfbbd3a349adc9fd17049e5ae055b99f8e97d8
[INFO] running `Command { std: "docker" "start" "-a" "6b3cec9e10f990cf02445ad9eacfbbd3a349adc9fd17049e5ae055b99f8e97d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3cec9e10f990cf02445ad9eacfbbd3a349adc9fd17049e5ae055b99f8e97d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3cec9e10f990cf02445ad9eacfbbd3a349adc9fd17049e5ae055b99f8e97d8", kill_on_drop: false }`
[INFO] [stdout] 6b3cec9e10f990cf02445ad9eacfbbd3a349adc9fd17049e5ae055b99f8e97d8
[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] 8c0224c8a1a6ac0a9dcec44a063a80bc1864c3aae78457c50e1445f462a2e533
[INFO] running `Command { std: "docker" "start" "-a" "8c0224c8a1a6ac0a9dcec44a063a80bc1864c3aae78457c50e1445f462a2e533", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking zerocopy v0.8.27
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.14.0
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking enumset v1.1.10
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking lz4 v1.28.1
[INFO] [stderr]     Checking mcap v0.23.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> examples/mcapcopy.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     mcap: Utf8PathBuf,
[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 `mcap` (example "mcapcopy") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> examples/mcapcat.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     mcap: Utf8PathBuf,
[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<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> examples/recover.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     input: Utf8PathBuf,
[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<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> examples/recover.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     output: Option<Utf8PathBuf>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcap` (example "mcapcat") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Utf8PathBuf>
[INFO] [stdout]   --> examples/recover.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let output_path = Utf8PathBuf::from_str(file_stem)?.with_extension("recovered.mcap");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> examples/recover.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let output_path = Utf8PathBuf::from_str(file_stem)?.with_extension("recovered.mcap");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcap` (example "recover") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "8c0224c8a1a6ac0a9dcec44a063a80bc1864c3aae78457c50e1445f462a2e533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0224c8a1a6ac0a9dcec44a063a80bc1864c3aae78457c50e1445f462a2e533", kill_on_drop: false }`
[INFO] [stdout] 8c0224c8a1a6ac0a9dcec44a063a80bc1864c3aae78457c50e1445f462a2e533
