[INFO] fetching crate algorithmica 0.1.8...
[INFO] testing algorithmica-0.1.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate algorithmica 0.1.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate algorithmica 0.1.8 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 algorithmica 0.1.8
[INFO] finished tweaking crates.io crate algorithmica 0.1.8
[INFO] tweaked toml for crates.io crate algorithmica 0.1.8 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6683d3d59123037bb73f9e35c67eb0b3445154b90907985e5dd90e9e25fa40a4
[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" "6683d3d59123037bb73f9e35c67eb0b3445154b90907985e5dd90e9e25fa40a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6683d3d59123037bb73f9e35c67eb0b3445154b90907985e5dd90e9e25fa40a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6683d3d59123037bb73f9e35c67eb0b3445154b90907985e5dd90e9e25fa40a4", kill_on_drop: false }`
[INFO] [stdout] 6683d3d59123037bb73f9e35c67eb0b3445154b90907985e5dd90e9e25fa40a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11bad2cf1a1efba3431096291afffe09fceaf6e8421b59d60735bba2c9012de0
[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" "11bad2cf1a1efba3431096291afffe09fceaf6e8421b59d60735bba2c9012de0", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithmica v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "11bad2cf1a1efba3431096291afffe09fceaf6e8421b59d60735bba2c9012de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bad2cf1a1efba3431096291afffe09fceaf6e8421b59d60735bba2c9012de0", kill_on_drop: false }`
[INFO] [stdout] 11bad2cf1a1efba3431096291afffe09fceaf6e8421b59d60735bba2c9012de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004cb1aaaf5c456d113a246a598dc279ca31754fb5f6c9fcd50db31e4f3a7186
[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" "004cb1aaaf5c456d113a246a598dc279ca31754fb5f6c9fcd50db31e4f3a7186", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithmica v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "004cb1aaaf5c456d113a246a598dc279ca31754fb5f6c9fcd50db31e4f3a7186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004cb1aaaf5c456d113a246a598dc279ca31754fb5f6c9fcd50db31e4f3a7186", kill_on_drop: false }`
[INFO] [stdout] 004cb1aaaf5c456d113a246a598dc279ca31754fb5f6c9fcd50db31e4f3a7186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb51e7e8fe5c266150aa77a0b48de60a29ee64538ace87f80c819b3f4df386e6
[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" "cb51e7e8fe5c266150aa77a0b48de60a29ee64538ace87f80c819b3f4df386e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stdout] running 27 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithmica-c6e86e9ee1c8ec2c
[INFO] [stdout] test math::matrix::test::matrix_add ... ok
[INFO] [stdout] test search::tests::test_int ... ok
[INFO] [stdout] test search::tests::test_str ... ok
[INFO] [stdout] test search::tests::test_struct ... ok
[INFO] [stdout] test sort::test::bubble_sort_by_fn ... ok
[INFO] [stdout] test sort::test::is_sorted_test ... ok
[INFO] [stdout] test sort::test::is_sorted_test_by ... ok
[INFO] [stdout] test sort::test::selection_sort_int ... ok
[INFO] [stdout] test sort::test::quick_sort_struct ... ok
[INFO] [stdout] test sort::test::quick_sort ... ok
[INFO] [stdout] test subset::test::subset_test_int ... ok
[INFO] [stdout] test sort::test::selection_sort_str ... ok
[INFO] [stdout] test sort::test::selection_sort_struct ... ok
[INFO] [stdout] test tree::bst::test::create ... ignored
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tree::test::t ... ok
[INFO] [stdout] test subset::test::subset_test_string ... ok
[INFO] [stderr]    Doc-tests algorithmica
[INFO] [stdout] test sort::merge_sort::test::sorting_test ... ok
[INFO] [stdout] test sort::test::selection_sort_struct_by ... ok
[INFO] [stdout] test tree::bst::test::find ... ok
[INFO] [stdout] test math::matrix::test::matrix_mul ... ok
[INFO] [stdout] test sort::test::bubble_sort_int ... ok
[INFO] [stdout] test sort::test::insertion_sort_str ... ok
[INFO] [stdout] test sort::test::bubble_sort_struct ... ok
[INFO] [stdout] test sort::test::insertion_sort_struct ... ok
[INFO] [stdout] test sort::test::insertion_sort_struct_by ... ok
[INFO] [stdout] test sort::test::insertion_sort_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/subset.rs - subset::find_all_subset (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb51e7e8fe5c266150aa77a0b48de60a29ee64538ace87f80c819b3f4df386e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb51e7e8fe5c266150aa77a0b48de60a29ee64538ace87f80c819b3f4df386e6", kill_on_drop: false }`
[INFO] [stdout] cb51e7e8fe5c266150aa77a0b48de60a29ee64538ace87f80c819b3f4df386e6