[INFO] fetching crate argmin 0.4.1...
[INFO] checking argmin-0.4.1 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate argmin 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate argmin 0.4.1 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmin 0.4.1
[INFO] finished tweaking crates.io crate argmin 0.4.1
[INFO] tweaked toml for crates.io crate argmin 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate argmin 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c47e78dfc004897eb7ad74619ed8b57883d0cd1b7e9dd770503f311ab649b135
[INFO] running `Command { std: "docker" "start" "-a" "c47e78dfc004897eb7ad74619ed8b57883d0cd1b7e9dd770503f311ab649b135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47e78dfc004897eb7ad74619ed8b57883d0cd1b7e9dd770503f311ab649b135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47e78dfc004897eb7ad74619ed8b57883d0cd1b7e9dd770503f311ab649b135", kill_on_drop: false }`
[INFO] [stdout] c47e78dfc004897eb7ad74619ed8b57883d0cd1b7e9dd770503f311ab649b135
[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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd9cefd532e6299e53d7c03e62f81335c9218fb658b8becdd4f977ce52f215c8
[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" "fd9cefd532e6299e53d7c03e62f81335c9218fb658b8becdd4f977ce52f215c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking argmin_testfunctions v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling openblas-src v0.10.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking cauchy v0.3.0
[INFO] [stderr]     Checking lapack v0.17.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking argmin v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking finitediff v0.1.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fd9cefd532e6299e53d7c03e62f81335c9218fb658b8becdd4f977ce52f215c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9cefd532e6299e53d7c03e62f81335c9218fb658b8becdd4f977ce52f215c8", kill_on_drop: false }`
[INFO] [stdout] fd9cefd532e6299e53d7c03e62f81335c9218fb658b8becdd4f977ce52f215c8