[INFO] fetching crate sorts 0.6.1...
[INFO] testing sorts-0.6.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sorts 0.6.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sorts 0.6.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sorts 0.6.1
[INFO] finished tweaking crates.io crate sorts 0.6.1
[INFO] tweaked toml for crates.io crate sorts 0.6.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f29364e49ce519e389c6aa4227c744195980da08cbf944db970a3879ea638a67
[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" "f29364e49ce519e389c6aa4227c744195980da08cbf944db970a3879ea638a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f29364e49ce519e389c6aa4227c744195980da08cbf944db970a3879ea638a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29364e49ce519e389c6aa4227c744195980da08cbf944db970a3879ea638a67", kill_on_drop: false }`
[INFO] [stdout] f29364e49ce519e389c6aa4227c744195980da08cbf944db970a3879ea638a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] a5b08eeecc1d634bbdaa4bd7dc6b37ce1a24e5a917f78625f572c132eb408649
[INFO] running `Command { std: "docker" "start" "-a" "a5b08eeecc1d634bbdaa4bd7dc6b37ce1a24e5a917f78625f572c132eb408649", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorts v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a5b08eeecc1d634bbdaa4bd7dc6b37ce1a24e5a917f78625f572c132eb408649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b08eeecc1d634bbdaa4bd7dc6b37ce1a24e5a917f78625f572c132eb408649", kill_on_drop: false }`
[INFO] [stdout] a5b08eeecc1d634bbdaa4bd7dc6b37ce1a24e5a917f78625f572c132eb408649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] a912f91f55a532870299e342c3ca7190a6a91c23ac3b7299a6366a11f7f18288
[INFO] running `Command { std: "docker" "start" "-a" "a912f91f55a532870299e342c3ca7190a6a91c23ac3b7299a6366a11f7f18288", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sorts v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "a912f91f55a532870299e342c3ca7190a6a91c23ac3b7299a6366a11f7f18288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a912f91f55a532870299e342c3ca7190a6a91c23ac3b7299a6366a11f7f18288", kill_on_drop: false }`
[INFO] [stdout] a912f91f55a532870299e342c3ca7190a6a91c23ac3b7299a6366a11f7f18288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0367f0f597efe301db747de5015848a54fdd62b3bc8b3fa34d3e44f20fc74b1d
[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" "0367f0f597efe301db747de5015848a54fdd62b3bc8b3fa34d3e44f20fc74b1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorts-91285e633ec0e05f
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-3f748b3a0878681d
[INFO] [stdout] test heap_sort::tests::build_correct_max_heap ... ok
[INFO] [stdout] test heap_sort::tests::correct_max_heapify_left ... ok
[INFO] [stdout] test heap_sort::tests::correct_max_heapify_none ... ok
[INFO] [stdout] test shell_sort::test::correct_gap_sequence ... ok
[INFO] [stdout] test heap_sort::tests::correct_max_heapify_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test bubble_sort::sort_empty ... ok
[INFO] [stdout] test bubble_sort::sort_even ... ok
[INFO] [stdout] test bubble_sort::sort_odd ... ok
[INFO] [stdout] test bubble_sort::sort_two ... ok
[INFO] [stdout] test cocktail_sort::sort_empty ... ok
[INFO] [stdout] test cocktail_sort::sort_even ... ok
[INFO] [stdout] test cocktail_sort::sort_odd ... ok
[INFO] [stdout] test cocktail_sort::sort_one ... ok
[INFO] [stdout] test cocktail_sort::sort_reversed ... ok
[INFO] [stdout] test cocktail_sort::sort_sorted ... ok
[INFO] [stdout] test cocktail_sort::sort_two ... ok
[INFO] [stdout] test comb_sort::sort_empty ... ok
[INFO] [stdout] test comb_sort::sort_even ... ok
[INFO] [stdout] test comb_sort::sort_odd ... ok
[INFO] [stdout] test comb_sort::sort_reversed ... ok
[INFO] [stdout] test comb_sort::sort_sorted ... ok
[INFO] [stdout] test comb_sort::sort_two ... ok
[INFO] [stdout] test gnome_sort::sort_empty ... ok
[INFO] [stdout] test gnome_sort::sort_even ... ok
[INFO] [stdout] test gnome_sort::sort_odd ... ok
[INFO] [stdout] test gnome_sort::sort_one ... ok
[INFO] [stdout] test gnome_sort::sort_reversed ... ok
[INFO] [stdout] test gnome_sort::sort_sorted ... ok
[INFO] [stdout] test gnome_sort::sort_two ... ok
[INFO] [stdout] test heap_sort::sort_empty ... ok
[INFO] [stdout] test heap_sort::sort_even ... ok
[INFO] [stdout] test heap_sort::sort_odd ... ok
[INFO] [stdout] test heap_sort::sort_one ... ok
[INFO] [stdout] test heap_sort::sort_reversed ... ok
[INFO] [stdout] test insertion_sort::sort_empty ... ok
[INFO] [stdout] test insertion_sort::sort_even ... ok
[INFO] [stdout] test heap_sort::sort_two ... ok
[INFO] [stdout] test insertion_sort::sort_odd ... ok
[INFO] [stdout] test insertion_sort::sort_one ... ok
[INFO] [stdout] test insertion_sort::sort_reversed ... ok
[INFO] [stdout] test insertion_sort::sort_sorted ... ok
[INFO] [stdout] test insertion_sort::sort_two ... ok
[INFO] [stdout] test merge_sort::sort_empty ... ok
[INFO] [stdout] test merge_sort::sort_even ... ok
[INFO] [stdout] test merge_sort::sort_odd ... ok
[INFO] [stdout] test merge_sort::sort_reversed ... ok
[INFO] [stdout] test merge_sort::sort_one ... ok
[INFO] [stdout] test merge_sort::sort_sorted ... ok
[INFO] [stdout] test merge_sort::sort_two ... ok
[INFO] [stdout] test quick_sort::sort_empty ... ok
[INFO] [stdout] test quick_sort::sort_even ... ok
[INFO] [stdout] test quick_sort::sort_odd ... ok
[INFO] [stdout] test quick_sort::sort_one ... ok
[INFO] [stdout] test quick_sort::sort_reversed ... ok
[INFO] [stdout] test selection_sort::sort_empty ... ok
[INFO] [stdout] test quick_sort::sort_two ... ok
[INFO] [stdout] test selection_sort::sort_even ... ok
[INFO] [stdout] test selection_sort::sort_odd ... ok
[INFO] [stdout] test bubble_sort::sort_reversed ... ok
[INFO] [stdout] test heap_sort::sort_sorted ... ok
[INFO] [stdout] test bubble_sort::sort_one ... ok
[INFO] [stdout] test bubble_sort::sort_sorted ... ok
[INFO] [stdout] test comb_sort::sort_one ... ok
[INFO] [stdout] test quick_sort::sort_sorted ... ok
[INFO] [stdout] test selection_sort::sort_one ... ok
[INFO] [stdout] test shell_sort::sort_reversed ... ok
[INFO] [stdout] test selection_sort::sort_reversed ... ok
[INFO] [stdout] test shell_sort::sort_sorted ... ok
[INFO] [stdout] test shell_sort::sort_empty ... ok
[INFO] [stdout] test shell_sort::sort_even ... ok
[INFO] [stdout] test shell_sort::sort_odd ... ok
[INFO] [stdout] test selection_sort::sort_sorted ... ok
[INFO] [stdout] test shell_sort::sort_one ... ok
[INFO] [stdout] test selection_sort::sort_two ... ok
[INFO] [stderr]    Doc-tests sorts
[INFO] [stdout] test shell_sort::sort_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 70 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/quick_sort.rs - quick_sort::quick_sort (line 10) ... ok
[INFO] [stdout] test src/merge_sort.rs - merge_sort::merge_sort (line 5) ... ok
[INFO] [stdout] test src/comb_sort.rs - comb_sort::comb_sort (line 12) ... ok
[INFO] [stdout] test src/insertion_sort.rs - insertion_sort::insertion_sort (line 9) ... ok
[INFO] [stdout] test src/heap_sort.rs - heap_sort::heap_sort (line 14) ... ok
[INFO] [stdout] test src/selection_sort.rs - selection_sort::selection_sort (line 5) ... ok
[INFO] [stdout] test src/bubble_sort.rs - bubble_sort::bubble_sort (line 6) ... ok
[INFO] [stdout] test src/bubble_sort.rs - bubble_sort::bubble_sort (line 13) ... ok
[INFO] [stdout] test src/gnome_sort.rs - gnome_sort::gnome_sort (line 9) ... ok
[INFO] [stdout] test src/cocktail_sort.rs - cocktail_sort::cocktail_sort (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0367f0f597efe301db747de5015848a54fdd62b3bc8b3fa34d3e44f20fc74b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0367f0f597efe301db747de5015848a54fdd62b3bc8b3fa34d3e44f20fc74b1d", kill_on_drop: false }`
[INFO] [stdout] 0367f0f597efe301db747de5015848a54fdd62b3bc8b3fa34d3e44f20fc74b1d