[INFO] fetching crate sorts 0.6.1...
[INFO] testing sorts-0.6.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sorts 0.6.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sorts 0.6.1 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 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-6/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] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a5113b86de6900aa8700814f1e2b95dfbaddfc6f9182aa37860648eb0e39241b
[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" "a5113b86de6900aa8700814f1e2b95dfbaddfc6f9182aa37860648eb0e39241b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5113b86de6900aa8700814f1e2b95dfbaddfc6f9182aa37860648eb0e39241b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5113b86de6900aa8700814f1e2b95dfbaddfc6f9182aa37860648eb0e39241b", kill_on_drop: false }`
[INFO] [stdout] a5113b86de6900aa8700814f1e2b95dfbaddfc6f9182aa37860648eb0e39241b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3362d97e3bb43a95b1badc2d1d87f9481871f562d4837ced20e60c0eac94f522
[INFO] running `Command { std: "docker" "start" "-a" "3362d97e3bb43a95b1badc2d1d87f9481871f562d4837ced20e60c0eac94f522", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorts v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3362d97e3bb43a95b1badc2d1d87f9481871f562d4837ced20e60c0eac94f522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3362d97e3bb43a95b1badc2d1d87f9481871f562d4837ced20e60c0eac94f522", kill_on_drop: false }`
[INFO] [stdout] 3362d97e3bb43a95b1badc2d1d87f9481871f562d4837ced20e60c0eac94f522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d3cf3dc1da8a13bc2cdf18b7e5cd52687c9a511a0f7587bd73b99b119842c0da
[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" "d3cf3dc1da8a13bc2cdf18b7e5cd52687c9a511a0f7587bd73b99b119842c0da", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling sorts v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.52s
[INFO] running `Command { std: "docker" "inspect" "d3cf3dc1da8a13bc2cdf18b7e5cd52687c9a511a0f7587bd73b99b119842c0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cf3dc1da8a13bc2cdf18b7e5cd52687c9a511a0f7587bd73b99b119842c0da", kill_on_drop: false }`
[INFO] [stdout] d3cf3dc1da8a13bc2cdf18b7e5cd52687c9a511a0f7587bd73b99b119842c0da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a05b1679e169ee368cc3879bc8d02f87be3bfffce72ab9beca7883dfcc37d2ac
[INFO] running `Command { std: "docker" "start" "-a" "a05b1679e169ee368cc3879bc8d02f87be3bfffce72ab9beca7883dfcc37d2ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorts-a456ce36ddbcb106
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test heap_sort::tests::build_correct_max_heap ... ok
[INFO] [stdout] test heap_sort::tests::correct_max_heapify_none ... ok
[INFO] [stdout] test heap_sort::tests::correct_max_heapify_right ... ok
[INFO] [stdout] test heap_sort::tests::correct_max_heapify_left ... ok
[INFO] [stdout] test shell_sort::test::correct_gap_sequence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-e3c0bd4e6a7a0415
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test bubble_sort::sort_even ... ok
[INFO] [stdout] test bubble_sort::sort_odd ... ok
[INFO] [stdout] test bubble_sort::sort_sorted ... ok
[INFO] [stdout] test cocktail_sort::sort_empty ... ok
[INFO] [stdout] test bubble_sort::sort_two ... ok
[INFO] [stdout] test cocktail_sort::sort_even ... ok
[INFO] [stdout] test cocktail_sort::sort_odd ... 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_one ... ok
[INFO] [stdout] test comb_sort::sort_reversed ... ok
[INFO] [stdout] test bubble_sort::sort_reversed ... ok
[INFO] [stdout] test cocktail_sort::sort_one ... ok
[INFO] [stdout] test gnome_sort::sort_odd ... 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 heap_sort::sort_sorted ... ok
[INFO] [stdout] test heap_sort::sort_two ... ok
[INFO] [stdout] test insertion_sort::sort_empty ... ok
[INFO] [stdout] test insertion_sort::sort_even ... ok
[INFO] [stdout] test insertion_sort::sort_odd ... ok
[INFO] [stdout] test insertion_sort::sort_one ... ok
[INFO] [stdout] test insertion_sort::sort_sorted ... ok
[INFO] [stdout] test merge_sort::sort_empty ... ok
[INFO] [stdout] test insertion_sort::sort_reversed ... ok
[INFO] [stdout] test insertion_sort::sort_two ... ok
[INFO] [stdout] test merge_sort::sort_even ... ok
[INFO] [stdout] test merge_sort::sort_odd ... ok
[INFO] [stdout] test merge_sort::sort_one ... ok
[INFO] [stdout] test merge_sort::sort_reversed ... ok
[INFO] [stdout] test merge_sort::sort_two ... ok
[INFO] [stdout] test quick_sort::sort_empty ... ok
[INFO] [stdout] test merge_sort::sort_sorted ... 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 quick_sort::sort_sorted ... ok
[INFO] [stdout] test quick_sort::sort_two ... ok
[INFO] [stdout] test gnome_sort::sort_sorted ... ok
[INFO] [stdout] test bubble_sort::sort_empty ... ok
[INFO] [stdout] test bubble_sort::sort_one ... ok
[INFO] [stdout] test selection_sort::sort_empty ... ok
[INFO] [stdout] test selection_sort::sort_even ... ok
[INFO] [stdout] test selection_sort::sort_odd ... ok
[INFO] [stdout] test shell_sort::sort_even ... ok
[INFO] [stdout] test shell_sort::sort_odd ... ok
[INFO] [stdout] test shell_sort::sort_one ... ok
[INFO] [stdout] test shell_sort::sort_reversed ... ok
[INFO] [stdout] test selection_sort::sort_one ... ok
[INFO] [stdout] test shell_sort::sort_sorted ... ok
[INFO] [stdout] test shell_sort::sort_two ... ok
[INFO] [stdout] test shell_sort::sort_empty ... ok
[INFO] [stdout] test selection_sort::sort_sorted ... ok
[INFO] [stdout] test comb_sort::sort_two ... ok
[INFO] [stdout] test gnome_sort::sort_reversed ... ok
[INFO] [stdout] test selection_sort::sort_reversed ... ok
[INFO] [stdout] test gnome_sort::sort_empty ... ok
[INFO] [stderr]    Doc-tests sorts
[INFO] [stdout] test selection_sort::sort_two ... ok
[INFO] [stdout] test gnome_sort::sort_even ... ok
[INFO] [stdout] test comb_sort::sort_odd ... ok
[INFO] [stdout] test comb_sort::sort_sorted ... ok
[INFO] [stdout] test gnome_sort::sort_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 70 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/cocktail_sort.rs - cocktail_sort::cocktail_sort (line 12) ... ok
[INFO] [stdout] test src/bubble_sort.rs - bubble_sort::bubble_sort (line 13) ... ok
[INFO] [stdout] test src/insertion_sort.rs - insertion_sort::insertion_sort (line 9) ... ok
[INFO] [stdout] test src/bubble_sort.rs - bubble_sort::bubble_sort (line 6) ... ok
[INFO] [stdout] test src/selection_sort.rs - selection_sort::selection_sort (line 5) ... ok
[INFO] [stdout] test src/heap_sort.rs - heap_sort::heap_sort (line 14) ... ok
[INFO] [stdout] test src/comb_sort.rs - comb_sort::comb_sort (line 12) ... ok
[INFO] [stdout] test src/quick_sort.rs - quick_sort::quick_sort (line 10) ... ok
[INFO] [stdout] test src/gnome_sort.rs - gnome_sort::gnome_sort (line 9) ... ok
[INFO] [stdout] test src/merge_sort.rs - merge_sort::merge_sort (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a05b1679e169ee368cc3879bc8d02f87be3bfffce72ab9beca7883dfcc37d2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05b1679e169ee368cc3879bc8d02f87be3bfffce72ab9beca7883dfcc37d2ac", kill_on_drop: false }`
[INFO] [stdout] a05b1679e169ee368cc3879bc8d02f87be3bfffce72ab9beca7883dfcc37d2ac