[INFO] fetching crate cpclib-common 0.10.0...
[INFO] checking cpclib-common-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cpclib-common 0.10.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cpclib-common 0.10.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cpclib-common 0.10.0
[INFO] tweaked toml for crates.io crate cpclib-common 0.10.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpclib-common 0.10.0 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 cpclib-common 0.10.0 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] 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] dcabcda435a607cf9c40ae16f6bfeb6ade9cefc403cf6ca6b8c7a85e1827923a
[INFO] running `Command { std: "docker" "start" "-a" "dcabcda435a607cf9c40ae16f6bfeb6ade9cefc403cf6ca6b8c7a85e1827923a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcabcda435a607cf9c40ae16f6bfeb6ade9cefc403cf6ca6b8c7a85e1827923a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcabcda435a607cf9c40ae16f6bfeb6ade9cefc403cf6ca6b8c7a85e1827923a", kill_on_drop: false }`
[INFO] [stdout] dcabcda435a607cf9c40ae16f6bfeb6ade9cefc403cf6ca6b8c7a85e1827923a
[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] 8195ec436aa42109ca1a43f98e3abc898b2154b01a7401e2f1d259051df01cc2
[INFO] running `Command { std: "docker" "start" "-a" "8195ec436aa42109ca1a43f98e3abc898b2154b01a7401e2f1d259051df01cc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking winnow v0.6.26
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking resolve-path v0.1.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking cpclib-common v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_take` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_take)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_take` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_take)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ckid` is never read
[INFO] [stdout]    --> src/riff.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct RiffContainer {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 131 |     /// RIFF or LIST only
[INFO] [stdout] 132 |     ckid: RiffCode
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> src/clap_extra.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |         match Utf8PathBuf::from_str(p) {
[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 `cpclib-common` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `ckid` is never read
[INFO] [stdout]    --> src/riff.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct RiffContainer {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 131 |     /// RIFF or LIST only
[INFO] [stdout] 132 |     ckid: RiffCode
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Utf8PathBuf, Infallible>
[INFO] [stdout]   --> src/clap_extra.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |         match Utf8PathBuf::from_str(p) {
[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 `cpclib-common` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8195ec436aa42109ca1a43f98e3abc898b2154b01a7401e2f1d259051df01cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8195ec436aa42109ca1a43f98e3abc898b2154b01a7401e2f1d259051df01cc2", kill_on_drop: false }`
[INFO] [stdout] 8195ec436aa42109ca1a43f98e3abc898b2154b01a7401e2f1d259051df01cc2