[INFO] fetching crate matrixmultiply_mt 0.1.7...
[INFO] checking matrixmultiply_mt-0.1.7 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate matrixmultiply_mt 0.1.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate matrixmultiply_mt 0.1.7 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixmultiply_mt 0.1.7
[INFO] finished tweaking crates.io crate matrixmultiply_mt 0.1.7
[INFO] tweaked toml for crates.io crate matrixmultiply_mt 0.1.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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] ef40f921d413ddf0f3086c4709d8e47caf92eba284d549e1e396d1d55a7e2008
[INFO] running `Command { std: "docker" "start" "-a" "ef40f921d413ddf0f3086c4709d8e47caf92eba284d549e1e396d1d55a7e2008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef40f921d413ddf0f3086c4709d8e47caf92eba284d549e1e396d1d55a7e2008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef40f921d413ddf0f3086c4709d8e47caf92eba284d549e1e396d1d55a7e2008", kill_on_drop: false }`
[INFO] [stdout] ef40f921d413ddf0f3086c4709d8e47caf92eba284d549e1e396d1d55a7e2008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 178438cf45708211214ba769cde771c26735f1cf69b48554c54d464215b40664
[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" "178438cf45708211214ba769cde771c26735f1cf69b48554c54d464215b40664", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling matrixmultiply_mt v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking typenum_loops v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "178438cf45708211214ba769cde771c26735f1cf69b48554c54d464215b40664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178438cf45708211214ba769cde771c26735f1cf69b48554c54d464215b40664", kill_on_drop: false }`
[INFO] [stdout] 178438cf45708211214ba769cde771c26735f1cf69b48554c54d464215b40664