[INFO] fetching crate prexel 0.1.9...
[INFO] testing prexel-0.1.9 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate prexel 0.1.9 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate prexel 0.1.9
[INFO] finished tweaking crates.io crate prexel 0.1.9
[INFO] tweaked toml for crates.io crate prexel 0.1.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prexel 0.1.9 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prexel 0.1.9 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded rust_decimal_macros v1.22.0
[INFO] [stderr]   Downloaded ritelinked v0.3.2
[INFO] [stderr]   Downloaded griddle v0.5.2
[INFO] [stderr]   Downloaded once_cell v1.10.0
[INFO] [stderr]   Downloaded rust_decimal v1.22.0
[INFO] [stderr]   Downloaded libc v0.2.120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81f8a470dc33c406c7886504627bdb1a1404766cfc5c9293aa8ae2825612d995
[INFO] running `Command { std: "docker" "start" "-a" "81f8a470dc33c406c7886504627bdb1a1404766cfc5c9293aa8ae2825612d995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f8a470dc33c406c7886504627bdb1a1404766cfc5c9293aa8ae2825612d995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f8a470dc33c406c7886504627bdb1a1404766cfc5c9293aa8ae2825612d995", kill_on_drop: false }`
[INFO] [stdout] 81f8a470dc33c406c7886504627bdb1a1404766cfc5c9293aa8ae2825612d995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be32ad29e980050da41431d96d698a049a4aa39b630ab71ff2ada790c430a5f3
[INFO] running `Command { std: "docker" "start" "-a" "be32ad29e980050da41431d96d698a049a4aa39b630ab71ff2ada790c430a5f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.6/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 rand_chacha v0.2.2
[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" "be32ad29e980050da41431d96d698a049a4aa39b630ab71ff2ada790c430a5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be32ad29e980050da41431d96d698a049a4aa39b630ab71ff2ada790c430a5f3", kill_on_drop: false }`
[INFO] [stdout] be32ad29e980050da41431d96d698a049a4aa39b630ab71ff2ada790c430a5f3