[INFO] fetching crate linfa-hierarchical 0.2.1...
[INFO] checking linfa-hierarchical-0.2.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate linfa-hierarchical 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate linfa-hierarchical 0.2.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-hierarchical 0.2.1
[INFO] finished tweaking crates.io crate linfa-hierarchical 0.2.1
[INFO] tweaked toml for crates.io crate linfa-hierarchical 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate linfa-hierarchical 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 74114716de7fd64dd9bf7588f2cdeba7a45531640022a9ea0843180c3a8bed48
[INFO] running `Command { std: "docker" "start" "-a" "74114716de7fd64dd9bf7588f2cdeba7a45531640022a9ea0843180c3a8bed48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74114716de7fd64dd9bf7588f2cdeba7a45531640022a9ea0843180c3a8bed48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74114716de7fd64dd9bf7588f2cdeba7a45531640022a9ea0843180c3a8bed48", kill_on_drop: false }`
[INFO] [stdout] 74114716de7fd64dd9bf7588f2cdeba7a45531640022a9ea0843180c3a8bed48
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc2bc798f9fb307cf761555315b3b3b7ed74b229e82c1184ae802baaf85a6c9f
[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" "dc2bc798f9fb307cf761555315b3b3b7ed74b229e82c1184ae802baaf85a6c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking kodama v0.2.3
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hnsw v0.6.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking linfa v0.2.1
[INFO] [stderr]     Checking sprs v0.9.2
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking linfa-kernel v0.2.1
[INFO] [stderr]     Checking ndarray-csv v0.4.1
[INFO] [stderr]     Checking linfa-hierarchical v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.89s
[INFO] running `Command { std: "docker" "inspect" "dc2bc798f9fb307cf761555315b3b3b7ed74b229e82c1184ae802baaf85a6c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2bc798f9fb307cf761555315b3b3b7ed74b229e82c1184ae802baaf85a6c9f", kill_on_drop: false }`
[INFO] [stdout] dc2bc798f9fb307cf761555315b3b3b7ed74b229e82c1184ae802baaf85a6c9f