[INFO] fetching crate grid_search_cardinal_best 0.2.0...
[INFO] testing grid_search_cardinal_best-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate grid_search_cardinal_best 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate grid_search_cardinal_best 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grid_search_cardinal_best 0.2.0
[INFO] finished tweaking crates.io crate grid_search_cardinal_best 0.2.0
[INFO] tweaked toml for crates.io crate grid_search_cardinal_best 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51868a1db99635d734c8a364d58d8632db3a3df497c6d7609c82d5892e6eb222
[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" "51868a1db99635d734c8a364d58d8632db3a3df497c6d7609c82d5892e6eb222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51868a1db99635d734c8a364d58d8632db3a3df497c6d7609c82d5892e6eb222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51868a1db99635d734c8a364d58d8632db3a3df497c6d7609c82d5892e6eb222", kill_on_drop: false }`
[INFO] [stdout] 51868a1db99635d734c8a364d58d8632db3a3df497c6d7609c82d5892e6eb222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 9cfeb5dd096507b39faa825fd984a591bfb471d84ce170dfbf6f1e5594d6aa0a
[INFO] running `Command { std: "docker" "start" "-a" "9cfeb5dd096507b39faa825fd984a591bfb471d84ce170dfbf6f1e5594d6aa0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling coord_2d v0.2.22
[INFO] [stderr]    Compiling grid_2d v0.14.6
[INFO] [stderr]    Compiling direction v0.17.10
[INFO] [stderr]    Compiling grid_search_cardinal_common v0.2.0
[INFO] [stderr]    Compiling grid_search_cardinal_best v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "9cfeb5dd096507b39faa825fd984a591bfb471d84ce170dfbf6f1e5594d6aa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfeb5dd096507b39faa825fd984a591bfb471d84ce170dfbf6f1e5594d6aa0a", kill_on_drop: false }`
[INFO] [stdout] 9cfeb5dd096507b39faa825fd984a591bfb471d84ce170dfbf6f1e5594d6aa0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63199c44943f589249f15adb29b564b0fd8bf1cf92b210b5eb353ec0eba15156
[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" "63199c44943f589249f15adb29b564b0fd8bf1cf92b210b5eb353ec0eba15156", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_isaac v0.2.0
[INFO] [stderr]    Compiling grid_search_cardinal_best v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "63199c44943f589249f15adb29b564b0fd8bf1cf92b210b5eb353ec0eba15156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63199c44943f589249f15adb29b564b0fd8bf1cf92b210b5eb353ec0eba15156", kill_on_drop: false }`
[INFO] [stdout] 63199c44943f589249f15adb29b564b0fd8bf1cf92b210b5eb353ec0eba15156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4228f552ae1ad1df6ca873a59229e2a02260cd86e4cf6538c04fc73a539e747f
[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" "4228f552ae1ad1df6ca873a59229e2a02260cd86e4cf6538c04fc73a539e747f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grid_search_cardinal_best-62310a78a4b3e8b1
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::grid_b ... ok
[INFO] [stdout] test test::grid_c ... ok
[INFO] [stdout] test test::grid_a ... ok
[INFO] [stdout] test test::grid_d ... ok
[INFO] [stderr]    Doc-tests grid_search_cardinal_best
[INFO] [stdout] test test::grid_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4228f552ae1ad1df6ca873a59229e2a02260cd86e4cf6538c04fc73a539e747f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4228f552ae1ad1df6ca873a59229e2a02260cd86e4cf6538c04fc73a539e747f", kill_on_drop: false }`
[INFO] [stdout] 4228f552ae1ad1df6ca873a59229e2a02260cd86e4cf6538c04fc73a539e747f