[INFO] fetching crate modcholesky 0.1.3...
[INFO] checking modcholesky-0.1.3 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate modcholesky 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate modcholesky 0.1.3 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate modcholesky 0.1.3
[INFO] finished tweaking crates.io crate modcholesky 0.1.3
[INFO] tweaked toml for crates.io crate modcholesky 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e3cc2851c8c94d7d4c0f6c931ba787ce96f75c81375b8cdc6eca0ddce83db7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6e3cc2851c8c94d7d4c0f6c931ba787ce96f75c81375b8cdc6eca0ddce83db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e3cc2851c8c94d7d4c0f6c931ba787ce96f75c81375b8cdc6eca0ddce83db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e3cc2851c8c94d7d4c0f6c931ba787ce96f75c81375b8cdc6eca0ddce83db7", kill_on_drop: false }`
[INFO] [stdout] a6e3cc2851c8c94d7d4c0f6c931ba787ce96f75c81375b8cdc6eca0ddce83db7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c26b3d94992ea59caf56c771e5107012fb8319852260ed285b0d87d8f61b142
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c26b3d94992ea59caf56c771e5107012fb8319852260ed285b0d87d8f61b142", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]     Checking lapack v0.17.0
[INFO] [stderr]     Checking cauchy v0.3.0
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking lax v0.1.0
[INFO] [stderr]     Checking ndarray-linalg v0.13.1
[INFO] [stderr]     Checking ndarray-rand v0.13.0
[INFO] [stderr]     Checking modcholesky v0.1.3 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8c26b3d94992ea59caf56c771e5107012fb8319852260ed285b0d87d8f61b142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c26b3d94992ea59caf56c771e5107012fb8319852260ed285b0d87d8f61b142", kill_on_drop: false }`
[INFO] [stdout] 8c26b3d94992ea59caf56c771e5107012fb8319852260ed285b0d87d8f61b142