[INFO] fetching crate matrixmultiply_mt 0.1.7...
[INFO] checking matrixmultiply_mt-0.1.7 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate matrixmultiply_mt 0.1.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matrixmultiply_mt 0.1.7 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4a3b0f46f09ace3b33b75d68c81cc0d145559707ffc44da9733aa814bf29eba
[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" "b4a3b0f46f09ace3b33b75d68c81cc0d145559707ffc44da9733aa814bf29eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4a3b0f46f09ace3b33b75d68c81cc0d145559707ffc44da9733aa814bf29eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a3b0f46f09ace3b33b75d68c81cc0d145559707ffc44da9733aa814bf29eba", kill_on_drop: false }`
[INFO] [stdout] b4a3b0f46f09ace3b33b75d68c81cc0d145559707ffc44da9733aa814bf29eba
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef935f60c1cd5fc5104067754ac0acba33dedd3f82c93bfe7b6fc1cda9af7506
[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" "ef935f60c1cd5fc5104067754ac0acba33dedd3f82c93bfe7b6fc1cda9af7506", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling matrixmultiply_mt v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking typenum_loops v0.3.0
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> tests/sgemm.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn from(i64) -> Self;
[INFO] [stdout]   |             ^^^ help: try naming the parameter or explicitly ignoring it: `_: i64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> tests/sgemm_st.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn from(i64) -> Self;
[INFO] [stdout]   |             ^^^ help: try naming the parameter or explicitly ignoring it: `_: i64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "ef935f60c1cd5fc5104067754ac0acba33dedd3f82c93bfe7b6fc1cda9af7506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef935f60c1cd5fc5104067754ac0acba33dedd3f82c93bfe7b6fc1cda9af7506", kill_on_drop: false }`
[INFO] [stdout] ef935f60c1cd5fc5104067754ac0acba33dedd3f82c93bfe7b6fc1cda9af7506