[INFO] fetching crate argmin_core 0.2.5...
[INFO] testing argmin_core-0.2.5 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate argmin_core 0.2.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate argmin_core 0.2.5 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmin_core 0.2.5
[INFO] finished tweaking crates.io crate argmin_core 0.2.5
[INFO] tweaked toml for crates.io crate argmin_core 0.2.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-linalg v0.12.1
[INFO] [stderr]   Downloaded cauchy v0.3.0
[INFO] [stderr]   Downloaded lax v0.1.0
[INFO] [stderr]   Downloaded finitediff v0.1.3
[INFO] [stderr]   Downloaded ndarray-linalg v0.13.1
[INFO] [stderr]   Downloaded lapack-src v0.6.0
[INFO] [stderr]   Downloaded lapacke-sys v0.1.4
[INFO] [stderr]   Downloaded blas-src v0.6.1
[INFO] [stderr]   Downloaded cauchy v0.2.2
[INFO] [stderr]   Downloaded lapacke v0.2.0
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded lapack v0.17.0
[INFO] [stderr]   Downloaded ndarray-rand v0.13.0
[INFO] [stderr]   Downloaded openblas-src v0.9.0
[INFO] [stderr]   Downloaded gnuplot v0.0.32
[INFO] [stderr]   Downloaded modcholesky v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b20ec44b90f8fd12fcadfec2c3e6ae680cec35474887e57e9629061455df0119
[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" "b20ec44b90f8fd12fcadfec2c3e6ae680cec35474887e57e9629061455df0119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b20ec44b90f8fd12fcadfec2c3e6ae680cec35474887e57e9629061455df0119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20ec44b90f8fd12fcadfec2c3e6ae680cec35474887e57e9629061455df0119", kill_on_drop: false }`
[INFO] [stdout] b20ec44b90f8fd12fcadfec2c3e6ae680cec35474887e57e9629061455df0119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", 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] 1654ed1a3f2513f70ed114db9db086d032c177507542670fe2f0037487a209d1
[INFO] running `Command { std: "docker" "start" "-a" "1654ed1a3f2513f70ed114db9db086d032c177507542670fe2f0037487a209d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling openblas-src v0.9.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling finitediff v0.1.3
[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-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[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 matrixmultiply v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling lapack-sys v0.12.1
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling slog-async v2.6.0
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling slog-term v2.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling lapack v0.17.0
[INFO] [stderr]    Compiling cauchy v0.3.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling lax v0.1.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1654ed1a3f2513f70ed114db9db086d032c177507542670fe2f0037487a209d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1654ed1a3f2513f70ed114db9db086d032c177507542670fe2f0037487a209d1", kill_on_drop: false }`
[INFO] [stdout] 1654ed1a3f2513f70ed114db9db086d032c177507542670fe2f0037487a209d1