[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 [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 [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 [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 [INFO] [stdout] --> examples/recover.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | output: Option, [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, 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 [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