[INFO] fetching crate matfile-ndarray 0.2.0...
[INFO] checking matfile-ndarray-0.2.0 against beta for pr-78714
[INFO] extracting crate matfile-ndarray 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matfile-ndarray 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matfile-ndarray 0.2.0
[INFO] finished tweaking crates.io crate matfile-ndarray 0.2.0
[INFO] tweaked toml for crates.io crate matfile-ndarray 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate matfile-ndarray 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d1fbd54f3c929980609b39ad22d512fe917671ae14ccd39903345501137ab47
[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" "8d1fbd54f3c929980609b39ad22d512fe917671ae14ccd39903345501137ab47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d1fbd54f3c929980609b39ad22d512fe917671ae14ccd39903345501137ab47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1fbd54f3c929980609b39ad22d512fe917671ae14ccd39903345501137ab47", kill_on_drop: false }`
[INFO] [stdout] 8d1fbd54f3c929980609b39ad22d512fe917671ae14ccd39903345501137ab47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c05a9e459dc6dddde90d2832da048589346471767b5f6dd1bafb3b397d2a0a
[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" "e8c05a9e459dc6dddde90d2832da048589346471767b5f6dd1bafb3b397d2a0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking num-traits v0.2.11
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking matfile v0.2.0
[INFO] [stderr]     Checking matfile-ndarray v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "e8c05a9e459dc6dddde90d2832da048589346471767b5f6dd1bafb3b397d2a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c05a9e459dc6dddde90d2832da048589346471767b5f6dd1bafb3b397d2a0a", kill_on_drop: false }`
[INFO] [stdout] e8c05a9e459dc6dddde90d2832da048589346471767b5f6dd1bafb3b397d2a0a