[INFO] fetching crate linfa-hierarchical 0.2.1...
[INFO] checking linfa-hierarchical-0.2.1 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[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 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adacb4f1c46c26326521a1145f098ed6306b3838bc71738daca7f5fd4fb72b15
[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" "adacb4f1c46c26326521a1145f098ed6306b3838bc71738daca7f5fd4fb72b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adacb4f1c46c26326521a1145f098ed6306b3838bc71738daca7f5fd4fb72b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adacb4f1c46c26326521a1145f098ed6306b3838bc71738daca7f5fd4fb72b15", kill_on_drop: false }`
[INFO] [stdout] adacb4f1c46c26326521a1145f098ed6306b3838bc71738daca7f5fd4fb72b15
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58f998d6f7afe3f3a5552c6d60f4694df40ac58ff98789551602d5edb77fed89
[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" "58f998d6f7afe3f3a5552c6d60f4694df40ac58ff98789551602d5edb77fed89", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking kodama v0.2.3
[INFO] [stderr]     Checking ndarray v0.13.1
[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 flate2 v1.0.19
[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 linfa-hierarchical v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ndarray-csv v0.4.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `Command { std: "docker" "inspect" "58f998d6f7afe3f3a5552c6d60f4694df40ac58ff98789551602d5edb77fed89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f998d6f7afe3f3a5552c6d60f4694df40ac58ff98789551602d5edb77fed89", kill_on_drop: false }`
[INFO] [stdout] 58f998d6f7afe3f3a5552c6d60f4694df40ac58ff98789551602d5edb77fed89