[INFO] fetching crate tract-core 0.10.0...
[INFO] checking tract-core-0.10.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate tract-core 0.10.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tract-core 0.10.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tract-core 0.10.0
[INFO] finished tweaking crates.io crate tract-core 0.10.0
[INFO] tweaked toml for crates.io crate tract-core 0.10.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66c786991e827f4ea37f12ddd27e1a6e6d66b1673927f0b9be4a240e87038c5b
[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" "66c786991e827f4ea37f12ddd27e1a6e6d66b1673927f0b9be4a240e87038c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c786991e827f4ea37f12ddd27e1a6e6d66b1673927f0b9be4a240e87038c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c786991e827f4ea37f12ddd27e1a6e6d66b1673927f0b9be4a240e87038c5b", kill_on_drop: false }`
[INFO] [stdout] 66c786991e827f4ea37f12ddd27e1a6e6d66b1673927f0b9be4a240e87038c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6529337fa2a7a02564a7228e58c2ef65023893c6f56fb0e2448484c3e08c04d8
[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" "6529337fa2a7a02564a7228e58c2ef65023893c6f56fb0e2448484c3e08c04d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling liquid-core v0.21.1
[INFO] [stderr]    Compiling enum-ordinalize v3.1.8
[INFO] [stderr]    Compiling educe v0.4.11
[INFO] [stderr]    Compiling liquid-lib v0.21.1
[INFO] [stderr]    Compiling liquid v0.21.1
[INFO] [stderr]    Compiling tract-linalg v0.10.3
[INFO] [stderr]     Checking tract-core v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.53s
[INFO] running `Command { std: "docker" "inspect" "6529337fa2a7a02564a7228e58c2ef65023893c6f56fb0e2448484c3e08c04d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6529337fa2a7a02564a7228e58c2ef65023893c6f56fb0e2448484c3e08c04d8", kill_on_drop: false }`
[INFO] [stdout] 6529337fa2a7a02564a7228e58c2ef65023893c6f56fb0e2448484c3e08c04d8