[INFO] cloning repository https://github.com/exact-labs/mkcss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exact-labs/mkcss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexact-labs%2Fmkcss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexact-labs%2Fmkcss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c089d735ea3d734c1d83d8d6c09b5e38d39b0d32
[INFO] checking exact-labs/mkcss against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexact-labs%2Fmkcss" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/exact-labs/mkcss
[INFO] finished tweaking git repo https://github.com/exact-labs/mkcss
[INFO] tweaked toml for git repo https://github.com/exact-labs/mkcss written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/exact-labs/mkcss on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/exact-labs/mkcss 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking exact-labs/mkcss against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexact-labs%2Fmkcss" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/exact-labs/mkcss
[INFO] finished tweaking git repo https://github.com/exact-labs/mkcss
[INFO] tweaked toml for git repo https://github.com/exact-labs/mkcss written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/exact-labs/mkcss on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/exact-labs/mkcss 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macros-rs v0.4.0
[INFO] [stderr]   Downloaded clap-verbosity-flag v2.0.1
[INFO] [stderr]   Downloaded dyn-clone v1.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef6fa6130e4c637a671df4f706ddc1b4d45c8daf5724072eac21d0239d24852e
[INFO] running `Command { std: "docker" "start" "-a" "ef6fa6130e4c637a671df4f706ddc1b4d45c8daf5724072eac21d0239d24852e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef6fa6130e4c637a671df4f706ddc1b4d45c8daf5724072eac21d0239d24852e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6fa6130e4c637a671df4f706ddc1b4d45c8daf5724072eac21d0239d24852e", kill_on_drop: false }`
[INFO] [stdout] ef6fa6130e4c637a671df4f706ddc1b4d45c8daf5724072eac21d0239d24852e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fccaa286359fad9c0b285d45bfe9c52f79359a82c31889032c53217367a3c013
[INFO] running `Command { std: "docker" "start" "-a" "fccaa286359fad9c0b285d45bfe9c52f79359a82c31889032c53217367a3c013", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking servo_arc v0.3.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking dyn-clone v1.0.13
[INFO] [stderr]     Checking macros-rs v0.4.0
[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] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking aho-corasick v1.0.5
[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" "fccaa286359fad9c0b285d45bfe9c52f79359a82c31889032c53217367a3c013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccaa286359fad9c0b285d45bfe9c52f79359a82c31889032c53217367a3c013", kill_on_drop: false }`
[INFO] [stdout] fccaa286359fad9c0b285d45bfe9c52f79359a82c31889032c53217367a3c013
