[INFO] cloning repository https://github.com/little-dude/aian-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/little-dude/aian-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Faian-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Faian-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a66798b9e457c6ad76c48f1a25ae8b1a7cd09e25
[INFO] testing little-dude/aian-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Faian-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/little-dude/aian-rust 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 git repo https://github.com/little-dude/aian-rust
[INFO] finished tweaking git repo https://github.com/little-dude/aian-rust
[INFO] tweaked toml for git repo https://github.com/little-dude/aian-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/little-dude/aian-rust already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.16
[INFO] [stderr]   Downloaded regex-syntax v0.3.7
[INFO] [stderr]   Downloaded quickcheck v0.3.1
[INFO] [stderr]   Downloaded regex v0.1.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3977c14009684fbb3655dfa2b8662420880db1ebf2a137a85c91139fd805b229
[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" "3977c14009684fbb3655dfa2b8662420880db1ebf2a137a85c91139fd805b229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3977c14009684fbb3655dfa2b8662420880db1ebf2a137a85c91139fd805b229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3977c14009684fbb3655dfa2b8662420880db1ebf2a137a85c91139fd805b229", kill_on_drop: false }`
[INFO] [stdout] 3977c14009684fbb3655dfa2b8662420880db1ebf2a137a85c91139fd805b229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013a6133cb2c626e016fa3fd5cbfe3f15dda175456927f593eedf0dfa6cf8789
[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" "013a6133cb2c626e016fa3fd5cbfe3f15dda175456927f593eedf0dfa6cf8789", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.7
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.77
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.3.1
[INFO] [stderr]    Compiling aian v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:53:49
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stdout]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:81:55
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stdout]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.38s
[INFO] running `Command { std: "docker" "inspect" "013a6133cb2c626e016fa3fd5cbfe3f15dda175456927f593eedf0dfa6cf8789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013a6133cb2c626e016fa3fd5cbfe3f15dda175456927f593eedf0dfa6cf8789", kill_on_drop: false }`
[INFO] [stdout] 013a6133cb2c626e016fa3fd5cbfe3f15dda175456927f593eedf0dfa6cf8789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+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] a542e878a804e80f5af7a4a33c06602c90be584558c1c6d5360ef6bfaa586590
[INFO] running `Command { std: "docker" "start" "-a" "a542e878a804e80f5af7a4a33c06602c90be584558c1c6d5360ef6bfaa586590", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:53:49
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stdout]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aian v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:81:55
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stdout]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:53:49
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stdout]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:81:55
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stdout]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "a542e878a804e80f5af7a4a33c06602c90be584558c1c6d5360ef6bfaa586590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a542e878a804e80f5af7a4a33c06602c90be584558c1c6d5360ef6bfaa586590", kill_on_drop: false }`
[INFO] [stdout] a542e878a804e80f5af7a4a33c06602c90be584558c1c6d5360ef6bfaa586590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e1cec53fe8f42969c4e815f8c57e11599c555166a85aea183c2338844bbc310
[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" "6e1cec53fe8f42969c4e815f8c57e11599c555166a85aea183c2338844bbc310", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/sorting.rs:53:49
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stderr]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/sorting.rs:81:55
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stderr]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/sorting.rs:53:49
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stderr]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/sorting.rs:81:55
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stderr]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aian-de6688470ca2a9a0
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test sorting::test_heapify ... ok
[INFO] [stdout] test sorting::test_partition ... ok
[INFO] [stdout] test sorting::test_partition_duplicate ... ok
[INFO] [stdout] test sorting::test_partition_two_elements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorting-38c33f1e32ed1864
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test heap_multi ... ok
[INFO] [stdout] test heap_sort_empty ... ok
[INFO] [stdout] test heap_sort_one ... ok
[INFO] [stdout] test insertion_sort_one ... ok
[INFO] [stdout] test insertion_multi ... ok
[INFO] [stdout] test insertion_sort_empty ... ok
[INFO] [stdout] test qsort_multi ... ok
[INFO] [stdout] test qsort_empty ... ok
[INFO] [stdout] test qsort_one ... ok
[INFO] [stdout] test heap_everything ... ok
[INFO] [stdout] test qsort_everything ... ok
[INFO] [stdout] test insertion_everything ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aian
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/sorting.rs:53:49
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stderr]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/sorting.rs:81:55
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stderr]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e1cec53fe8f42969c4e815f8c57e11599c555166a85aea183c2338844bbc310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1cec53fe8f42969c4e815f8c57e11599c555166a85aea183c2338844bbc310", kill_on_drop: false }`
[INFO] [stdout] 6e1cec53fe8f42969c4e815f8c57e11599c555166a85aea183c2338844bbc310