[INFO] cloning repository https://github.com/edwjchen/Silph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwjchen/Silph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwjchen%2FSilph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwjchen%2FSilph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8f5d75a98fa1de3e12fe0e730bb85e22ab50be7
[INFO] checking edwjchen/Silph against master#f9515fdd5aa132e27d9b580a35b27f4b453251c1 for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwjchen%2FSilph" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwjchen/Silph on toolchain f9515fdd5aa132e27d9b580a35b27f4b453251c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/edwjchen/Silph
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/edwjchen/Silph
[INFO] tweaked toml for git repo https://github.com/edwjchen/Silph written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/edwjchen/Silph 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" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking edwjchen/Silph against try#71235522a9cf955f6b7ff56c0bfb2651ecd0180b for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwjchen%2FSilph" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwjchen/Silph on toolchain 71235522a9cf955f6b7ff56c0bfb2651ecd0180b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/edwjchen/Silph
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/edwjchen/Silph
[INFO] tweaked toml for git repo https://github.com/edwjchen/Silph written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/edwjchen/Silph 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" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "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]     Updating git repository `https://github.com/Clive2312/good_lp.git`
[INFO] [stderr]     Updating git repository `https://github.com/alex-ozdemir/hashconsing.git`
[INFO] [stderr]     Updating git repository `https://github.com/kwantam/ff.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking edwjchen/Silph against try#71235522a9cf955f6b7ff56c0bfb2651ecd0180b for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwjchen%2FSilph" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwjchen/Silph on toolchain 71235522a9cf955f6b7ff56c0bfb2651ecd0180b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/edwjchen/Silph
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/edwjchen/Silph
[INFO] tweaked toml for git repo https://github.com/edwjchen/Silph written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/edwjchen/Silph 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" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "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 petgraph v0.6.1
[INFO] [stderr]   Downloaded addchain v0.2.0
[INFO] [stderr]   Downloaded bls12_381 v0.6.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.8
[INFO] [stderr]   Downloaded bellman v0.11.2
[INFO] [stderr]   Downloaded rug v1.16.0
[INFO] [stderr]   Downloaded ff-derive-num v0.2.0
[INFO] [stderr]   Downloaded coin_cbc_sys v0.1.1
[INFO] [stderr]   Downloaded coin_cbc v0.1.6
[INFO] [stderr]   Downloaded lang-c v0.10.1
[INFO] [stderr]   Downloaded ff_derive v0.11.1
[INFO] [stderr]   Downloaded rsmt2 v0.14.1
[INFO] [stderr]   Downloaded from-pest v0.3.1
[INFO] [stderr]   Downloaded single v1.0.0
[INFO] [stderr]   Downloaded pest-ast v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d59ff3e98bd74dbcd1a49c161a97eced1d244c27c6f7a426ec948bc9b57a2c0d
[INFO] running `Command { std: "docker" "start" "-a" "d59ff3e98bd74dbcd1a49c161a97eced1d244c27c6f7a426ec948bc9b57a2c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d59ff3e98bd74dbcd1a49c161a97eced1d244c27c6f7a426ec948bc9b57a2c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59ff3e98bd74dbcd1a49c161a97eced1d244c27c6f7a426ec948bc9b57a2c0d", kill_on_drop: false }`
[INFO] [stdout] d59ff3e98bd74dbcd1a49c161a97eced1d244c27c6f7a426ec948bc9b57a2c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f61a62d4ac898763968b5ac34a55214ffc0808147c5a69a9146c49ad611014a4
[INFO] running `Command { std: "docker" "start" "-a" "f61a62d4ac898763968b5ac34a55214ffc0808147c5a69a9146c49ad611014a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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 failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f61a62d4ac898763968b5ac34a55214ffc0808147c5a69a9146c49ad611014a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61a62d4ac898763968b5ac34a55214ffc0808147c5a69a9146c49ad611014a4", kill_on_drop: false }`
[INFO] [stdout] f61a62d4ac898763968b5ac34a55214ffc0808147c5a69a9146c49ad611014a4