[INFO] fetching crate argmin 0.4.4...
[INFO] checking argmin-0.4.4 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate argmin 0.4.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate argmin 0.4.4 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmin 0.4.4
[INFO] finished tweaking crates.io crate argmin 0.4.4
[INFO] tweaked toml for crates.io crate argmin 0.4.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate argmin 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openblas-build v0.1.1
[INFO] [stderr]   Downloaded nalgebra v0.26.1
[INFO] [stderr]   Downloaded openblas-src v0.10.4
[INFO] [stderr]   Downloaded argmin_testfunctions v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 021c0e75c6dfc2461fae0ce76c25d84048789301896805a6ddcff6f1187c88c8
[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" "021c0e75c6dfc2461fae0ce76c25d84048789301896805a6ddcff6f1187c88c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "021c0e75c6dfc2461fae0ce76c25d84048789301896805a6ddcff6f1187c88c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021c0e75c6dfc2461fae0ce76c25d84048789301896805a6ddcff6f1187c88c8", kill_on_drop: false }`
[INFO] [stdout] 021c0e75c6dfc2461fae0ce76c25d84048789301896805a6ddcff6f1187c88c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab98d5fb745d1ce7ccf7aa151592eba3a5eda9e7825ea74b71e32f19f519eedf
[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" "ab98d5fb745d1ce7ccf7aa151592eba3a5eda9e7825ea74b71e32f19f519eedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling const_fn v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[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 crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[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 dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex 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]     Checking num v0.4.0
[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]    Compiling openblas-src v0.10.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking cauchy v0.3.0
[INFO] [stderr]     Checking lapack v0.17.0
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking argmin v0.4.4 (/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" "ab98d5fb745d1ce7ccf7aa151592eba3a5eda9e7825ea74b71e32f19f519eedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab98d5fb745d1ce7ccf7aa151592eba3a5eda9e7825ea74b71e32f19f519eedf", kill_on_drop: false }`
[INFO] [stdout] ab98d5fb745d1ce7ccf7aa151592eba3a5eda9e7825ea74b71e32f19f519eedf