[INFO] fetching crate ampc 0.5.0-alpha...
[INFO] testing ampc-0.5.0-alpha against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate ampc 0.5.0-alpha into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ampc 0.5.0-alpha
[INFO] finished tweaking crates.io crate ampc 0.5.0-alpha
[INFO] tweaked toml for crates.io crate ampc 0.5.0-alpha written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ampc 0.5.0-alpha on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ampc 0.5.0-alpha 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-lexicon v0.12.7
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.94.1
[INFO] [stderr]   Downloaded slot-arena v0.1.0
[INFO] [stderr]   Downloaded cranelift-entity v0.94.1
[INFO] [stderr]   Downloaded cranelift v0.94.1
[INFO] [stderr]   Downloaded cranelift-native v0.94.1
[INFO] [stderr]   Downloaded cranelift-isle v0.94.1
[INFO] [stderr]   Downloaded cranelift-module v0.94.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.94.1
[INFO] [stderr]   Downloaded clap v4.3.2
[INFO] [stderr]   Downloaded cranelift-bforest v0.94.1
[INFO] [stderr]   Downloaded cranelift-object v0.94.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.94.1
[INFO] [stderr]   Downloaded clap_builder v4.3.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.94.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c37302284df3f1b2070fd41730270cfb0cdf5a77215407a6603a07f58563b6ba
[INFO] running `Command { std: "docker" "start" "-a" "c37302284df3f1b2070fd41730270cfb0cdf5a77215407a6603a07f58563b6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37302284df3f1b2070fd41730270cfb0cdf5a77215407a6603a07f58563b6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37302284df3f1b2070fd41730270cfb0cdf5a77215407a6603a07f58563b6ba", kill_on_drop: false }`
[INFO] [stdout] c37302284df3f1b2070fd41730270cfb0cdf5a77215407a6603a07f58563b6ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00c88a002d064399d6454a69aee23fdcf8714642de1d81d54eef4b536cdf1fb1
[INFO] running `Command { std: "docker" "start" "-a" "00c88a002d064399d6454a69aee23fdcf8714642de1d81d54eef4b536cdf1fb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling cranelift-isle v0.94.1
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.94.1
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling slice-group-by v0.3.1
[INFO] [stderr]    Compiling cranelift-entity v0.94.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.94.1
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "00c88a002d064399d6454a69aee23fdcf8714642de1d81d54eef4b536cdf1fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c88a002d064399d6454a69aee23fdcf8714642de1d81d54eef4b536cdf1fb1", kill_on_drop: false }`
[INFO] [stdout] 00c88a002d064399d6454a69aee23fdcf8714642de1d81d54eef4b536cdf1fb1