[INFO] cloning repository https://github.com/lkolbly/recursive-collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkolbly/recursive-collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkolbly%2Frecursive-collatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkolbly%2Frecursive-collatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3be3b220699efa3b484e51fdb678b6a1c3fdb0e4
[INFO] checking lkolbly/recursive-collatz against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkolbly%2Frecursive-collatz" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lkolbly/recursive-collatz
[INFO] finished tweaking git repo https://github.com/lkolbly/recursive-collatz
[INFO] tweaked toml for git repo https://github.com/lkolbly/recursive-collatz written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lkolbly/recursive-collatz on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lkolbly/recursive-collatz 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" "+e90f1ff63e694965281f833819a486da29772bdf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/metal-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lkolbly/recursive-collatz against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkolbly%2Frecursive-collatz" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lkolbly/recursive-collatz
[INFO] finished tweaking git repo https://github.com/lkolbly/recursive-collatz
[INFO] tweaked toml for git repo https://github.com/lkolbly/recursive-collatz written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lkolbly/recursive-collatz on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lkolbly/recursive-collatz 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" "+e90f1ff63e694965281f833819a486da29772bdf" "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 ash v0.35.1+1.2.203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86edd5abdc9d7462717aff88cb7b48cc480bc9d0136bc2ee7e2cbea03a7fc63e
[INFO] running `Command { std: "docker" "start" "-a" "86edd5abdc9d7462717aff88cb7b48cc480bc9d0136bc2ee7e2cbea03a7fc63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86edd5abdc9d7462717aff88cb7b48cc480bc9d0136bc2ee7e2cbea03a7fc63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86edd5abdc9d7462717aff88cb7b48cc480bc9d0136bc2ee7e2cbea03a7fc63e", kill_on_drop: false }`
[INFO] [stdout] 86edd5abdc9d7462717aff88cb7b48cc480bc9d0136bc2ee7e2cbea03a7fc63e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b416f7d4fb6d12c1201d9ef68e28668551f191d52f2b0836f4b487a4464ed6f
[INFO] running `Command { std: "docker" "start" "-a" "2b416f7d4fb6d12c1201d9ef68e28668551f191d52f2b0836f4b487a4464ed6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling ash v0.35.1+1.2.203
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling wgpu-core v0.12.0 (https://github.com/gfx-rs/wgpu?rev=48f8811f0f6643f112baa3a2a9e2c287017a022d#48f8811f)
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking wgpu-types v0.12.0 (https://github.com/gfx-rs/wgpu?rev=48f8811f0f6643f112baa3a2a9e2c287017a022d#48f8811f)
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking profiling v1.0.5
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking khronos-egl v4.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[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]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2b416f7d4fb6d12c1201d9ef68e28668551f191d52f2b0836f4b487a4464ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b416f7d4fb6d12c1201d9ef68e28668551f191d52f2b0836f4b487a4464ed6f", kill_on_drop: false }`
[INFO] [stdout] 2b416f7d4fb6d12c1201d9ef68e28668551f191d52f2b0836f4b487a4464ed6f