[INFO] fetching crate fbws 0.0.4...
[INFO] testing fbws-0.0.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate fbws 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fbws 0.0.4
[INFO] finished tweaking crates.io crate fbws 0.0.4
[INFO] tweaked toml for crates.io crate fbws 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fbws 0.0.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fbws 0.0.4 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92f62b62e16e7127caf8f74c16b58b3c9bd26fc3df5cedd2501c6f7c8f8eda20
[INFO] running `Command { std: "docker" "start" "-a" "92f62b62e16e7127caf8f74c16b58b3c9bd26fc3df5cedd2501c6f7c8f8eda20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f62b62e16e7127caf8f74c16b58b3c9bd26fc3df5cedd2501c6f7c8f8eda20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f62b62e16e7127caf8f74c16b58b3c9bd26fc3df5cedd2501c6f7c8f8eda20", kill_on_drop: false }`
[INFO] [stdout] 92f62b62e16e7127caf8f74c16b58b3c9bd26fc3df5cedd2501c6f7c8f8eda20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ea2b7a94fd2f04057f517abe19654fedeae564cd432db2ce11016861fb8e614
[INFO] running `Command { std: "docker" "start" "-a" "0ea2b7a94fd2f04057f517abe19654fedeae564cd432db2ce11016861fb8e614", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling http v0.2.10
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v0.8.9
[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] [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" "0ea2b7a94fd2f04057f517abe19654fedeae564cd432db2ce11016861fb8e614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea2b7a94fd2f04057f517abe19654fedeae564cd432db2ce11016861fb8e614", kill_on_drop: false }`
[INFO] [stdout] 0ea2b7a94fd2f04057f517abe19654fedeae564cd432db2ce11016861fb8e614