[INFO] fetching crate metrics 0.24.2... [INFO] testing metrics-0.24.2 against master#a1531335fe2807715fff569904d99602022643a7 for pr-145277 [INFO] extracting crate metrics 0.24.2 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate metrics 0.24.2 [INFO] finished tweaking crates.io crate metrics 0.24.2 [INFO] tweaked toml for crates.io crate metrics 0.24.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate metrics 0.24.2 on toolchain a1531335fe2807715fff569904d99602022643a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate metrics 0.24.2 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" "+a1531335fe2807715fff569904d99602022643a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_spanned v0.6.8 [INFO] [stderr] Downloaded toml_datetime v0.6.8 [INFO] [stderr] Downloaded target-triple v0.1.4 [INFO] [stderr] Downloaded toml v0.8.20 [INFO] [stderr] Downloaded criterion-plot v0.4.5 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded trybuild v1.0.104 [INFO] [stderr] Downloaded ahash v0.8.11 [INFO] [stderr] Downloaded zerocopy-derive v0.7.35 [INFO] [stderr] Downloaded indexmap v2.8.0 [INFO] [stderr] Downloaded itertools v0.9.0 [INFO] [stderr] Downloaded zerocopy v0.7.35 [INFO] [stderr] Downloaded winnow v0.7.4 [INFO] [stderr] Downloaded criterion v0.3.3 [INFO] [stderr] Downloaded toml_edit v0.22.24 [INFO] [stderr] Downloaded half v1.8.3 [INFO] [stderr] Downloaded serde_cbor v0.11.2 [INFO] [stderr] Downloaded hashbrown v0.15.2 [INFO] [stderr] Downloaded once_cell v1.21.1 [INFO] [stderr] Downloaded plotters v0.2.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8dde3a92f8cb616aa57407a90355af4688fce5cf1c092eede5039b3b129e919c [INFO] running `Command { std: "docker" "start" "-a" "8dde3a92f8cb616aa57407a90355af4688fce5cf1c092eede5039b3b129e919c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8dde3a92f8cb616aa57407a90355af4688fce5cf1c092eede5039b3b129e919c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dde3a92f8cb616aa57407a90355af4688fce5cf1c092eede5039b3b129e919c", kill_on_drop: false }` [INFO] [stdout] 8dde3a92f8cb616aa57407a90355af4688fce5cf1c092eede5039b3b129e919c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df04734e53af844f9516b84a5539a7e6361254a5a5720e5788b612b48cb5d86e [INFO] running `Command { std: "docker" "start" "-a" "df04734e53af844f9516b84a5539a7e6361254a5a5720e5788b612b48cb5d86e", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling once_cell v1.21.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling metrics v0.24.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/key.rs:135:19 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn labels(&self) -> Iter