[INFO] fetching crate mextron 2.3.0...
[INFO] testing mextron-2.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mextron 2.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mextron 2.3.0
[INFO] finished tweaking crates.io crate mextron 2.3.0
[INFO] tweaked toml for crates.io crate mextron 2.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mextron 2.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mextron 2.3.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5da34bdb6ca11bffec3871bc92651d09238c9a329b75b0399345cf6113d329b
[INFO] running `Command { std: "docker" "start" "-a" "d5da34bdb6ca11bffec3871bc92651d09238c9a329b75b0399345cf6113d329b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5da34bdb6ca11bffec3871bc92651d09238c9a329b75b0399345cf6113d329b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5da34bdb6ca11bffec3871bc92651d09238c9a329b75b0399345cf6113d329b", kill_on_drop: false }`
[INFO] [stdout] d5da34bdb6ca11bffec3871bc92651d09238c9a329b75b0399345cf6113d329b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d0d03097f8a67783344c9d9e6348ed47d5d44e822fc38e8fb6ed3d5cfd5fe2d
[INFO] running `Command { std: "docker" "start" "-a" "3d0d03097f8a67783344c9d9e6348ed47d5d44e822fc38e8fb6ed3d5cfd5fe2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling once_cell v1.18.0
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[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.7/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indexmap v2.1.0
[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" "3d0d03097f8a67783344c9d9e6348ed47d5d44e822fc38e8fb6ed3d5cfd5fe2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0d03097f8a67783344c9d9e6348ed47d5d44e822fc38e8fb6ed3d5cfd5fe2d", kill_on_drop: false }`
[INFO] [stdout] 3d0d03097f8a67783344c9d9e6348ed47d5d44e822fc38e8fb6ed3d5cfd5fe2d