[INFO] fetching crate metrics-exporter-prometheus 0.12.1...
[INFO] checking metrics-exporter-prometheus-0.12.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate metrics-exporter-prometheus 0.12.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate metrics-exporter-prometheus 0.12.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-exporter-prometheus 0.12.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate metrics-exporter-prometheus 0.12.1
[INFO] tweaked toml for crates.io crate metrics-exporter-prometheus 0.12.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate metrics-exporter-prometheus 0.12.1 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-macros v0.7.0
[INFO] [stderr]   Downloaded portable-atomic v1.2.0
[INFO] [stderr]   Downloaded metrics v0.21.0
[INFO] [stderr]   Downloaded metrics-util v0.15.0
[INFO] [stderr]   Downloaded quanta v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6160fb0a67114e3fb775585c74467e1936f4307d04e6fe7f0e7c3da61201a028
[INFO] running `Command { std: "docker" "start" "-a" "6160fb0a67114e3fb775585c74467e1936f4307d04e6fe7f0e7c3da61201a028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6160fb0a67114e3fb775585c74467e1936f4307d04e6fe7f0e7c3da61201a028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6160fb0a67114e3fb775585c74467e1936f4307d04e6fe7f0e7c3da61201a028", kill_on_drop: false }`
[INFO] [stdout] 6160fb0a67114e3fb775585c74467e1936f4307d04e6fe7f0e7c3da61201a028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b79a60eff7a4186328bc953007dedadb5fd65231789fd24984aab4828e17ac7
[INFO] running `Command { std: "docker" "start" "-a" "2b79a60eff7a4186328bc953007dedadb5fd65231789fd24984aab4828e17ac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling metrics v0.21.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ahash-0.8.3/src/lib.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr] error: could not compile `ahash` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2b79a60eff7a4186328bc953007dedadb5fd65231789fd24984aab4828e17ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b79a60eff7a4186328bc953007dedadb5fd65231789fd24984aab4828e17ac7", kill_on_drop: false }`
[INFO] [stdout] 2b79a60eff7a4186328bc953007dedadb5fd65231789fd24984aab4828e17ac7