[INFO] fetching crate grid_search 0.15.1...
[INFO] checking grid_search-0.15.1 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate grid_search 0.15.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grid_search 0.15.1 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grid_search 0.15.1
[INFO] finished tweaking crates.io crate grid_search 0.15.1
[INFO] tweaked toml for crates.io crate grid_search 0.15.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded best v0.13.0
[INFO] [stderr]   Downloaded grid_2d v0.12.5
[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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4637bb990dbcb2efe442663fe71e4f2daeba3712d5f480c6a0a958d0bcbf67b
[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" "a4637bb990dbcb2efe442663fe71e4f2daeba3712d5f480c6a0a958d0bcbf67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4637bb990dbcb2efe442663fe71e4f2daeba3712d5f480c6a0a958d0bcbf67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4637bb990dbcb2efe442663fe71e4f2daeba3712d5f480c6a0a958d0bcbf67b", kill_on_drop: false }`
[INFO] [stdout] a4637bb990dbcb2efe442663fe71e4f2daeba3712d5f480c6a0a958d0bcbf67b
[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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d6bd9bfd3225d4e96804437f4433978715f327df6050799a38eb0c32557014
[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" "31d6bd9bfd3225d4e96804437f4433978715f327df6050799a38eb0c32557014", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking coord_2d v0.2.22
[INFO] [stderr]     Checking best v0.13.0
[INFO] [stderr]     Checking direction v0.17.10
[INFO] [stderr]     Checking grid_2d v0.12.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking grid_search v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "31d6bd9bfd3225d4e96804437f4433978715f327df6050799a38eb0c32557014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d6bd9bfd3225d4e96804437f4433978715f327df6050799a38eb0c32557014", kill_on_drop: false }`
[INFO] [stdout] 31d6bd9bfd3225d4e96804437f4433978715f327df6050799a38eb0c32557014