[INFO] fetching crate rustencils 0.1.6...
[INFO] building rustencils-0.1.6 against master#657eefe2dcf18f76ac67a39945810128e101178c for pr-105577
[INFO] extracting crate rustencils 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustencils 0.1.6 on toolchain 657eefe2dcf18f76ac67a39945810128e101178c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustencils 0.1.6
[INFO] finished tweaking crates.io crate rustencils 0.1.6
[INFO] tweaked toml for crates.io crate rustencils 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intel-mkl-tool v0.2.0+mkl2020.1
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded ndarray-linalg v0.13.1
[INFO] [stderr]   Downloaded factorial v0.2.1
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] [stderr]   Downloaded lax v0.1.0
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded lapack v0.17.0
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]   Downloaded cauchy v0.3.0
[INFO] [stderr]   Downloaded openblas-build v0.10.5
[INFO] [stderr]   Downloaded intel-mkl-src v0.6.0+mkl2020.1
[INFO] [stderr]   Downloaded zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]   Downloaded netlib-src v0.8.0
[INFO] [stderr]   Downloaded openblas-src v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d645dca577d29396b81402fe7ae38bccde2c5524923c3a9b5fa39f6b98c308bb
[INFO] running `Command { std: "docker" "start" "-a" "d645dca577d29396b81402fe7ae38bccde2c5524923c3a9b5fa39f6b98c308bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d645dca577d29396b81402fe7ae38bccde2c5524923c3a9b5fa39f6b98c308bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d645dca577d29396b81402fe7ae38bccde2c5524923c3a9b5fa39f6b98c308bb", kill_on_drop: false }`
[INFO] [stdout] d645dca577d29396b81402fe7ae38bccde2c5524923c3a9b5fa39f6b98c308bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1a69fb744957433133081ac04a8f51de039c44fb09e9043d01eb270fbbff975
[INFO] running `Command { std: "docker" "start" "-a" "e1a69fb744957433133081ac04a8f51de039c44fb09e9043d01eb270fbbff975", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling blas-src v0.6.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling lapack-sys v0.12.1
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling factorial v0.2.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling cauchy v0.3.0
[INFO] [stderr]    Compiling lapack v0.17.0
[INFO] [stderr]    Compiling openblas-build v0.10.5
[INFO] [stderr]    Compiling openblas-src v0.10.5
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e1a69fb744957433133081ac04a8f51de039c44fb09e9043d01eb270fbbff975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a69fb744957433133081ac04a8f51de039c44fb09e9043d01eb270fbbff975", kill_on_drop: false }`
[INFO] [stdout] e1a69fb744957433133081ac04a8f51de039c44fb09e9043d01eb270fbbff975