[INFO] fetching crate kth 0.1.0...
[INFO] testing kth-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate kth 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate kth 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kth 0.1.0
[INFO] finished tweaking crates.io crate kth 0.1.0
[INFO] tweaked toml for crates.io crate kth 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a7e28e5363994f1fd5795d8ebb6cdf57ed1b7f0b62094b366cb73ec644c07d7
[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" "7a7e28e5363994f1fd5795d8ebb6cdf57ed1b7f0b62094b366cb73ec644c07d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7e28e5363994f1fd5795d8ebb6cdf57ed1b7f0b62094b366cb73ec644c07d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7e28e5363994f1fd5795d8ebb6cdf57ed1b7f0b62094b366cb73ec644c07d7", kill_on_drop: false }`
[INFO] [stdout] 7a7e28e5363994f1fd5795d8ebb6cdf57ed1b7f0b62094b366cb73ec644c07d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25e3d5091e17d32cd76e69e5a93f2d3bb3425edbf6f56da50d335baeada9415e
[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" "25e3d5091e17d32cd76e69e5a93f2d3bb3425edbf6f56da50d335baeada9415e", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]    Compiling index-fixed v0.0.2
[INFO] [stderr]    Compiling kth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "25e3d5091e17d32cd76e69e5a93f2d3bb3425edbf6f56da50d335baeada9415e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e3d5091e17d32cd76e69e5a93f2d3bb3425edbf6f56da50d335baeada9415e", kill_on_drop: false }`
[INFO] [stdout] 25e3d5091e17d32cd76e69e5a93f2d3bb3425edbf6f56da50d335baeada9415e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecdeb4f15b22e5d3a955eb80e9775bb4ee370f6704cfc8b87c2f6c8855ca970d
[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" "ecdeb4f15b22e5d3a955eb80e9775bb4ee370f6704cfc8b87c2f6c8855ca970d", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling kth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/slice.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let mut d = &mut d[..];
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "ecdeb4f15b22e5d3a955eb80e9775bb4ee370f6704cfc8b87c2f6c8855ca970d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdeb4f15b22e5d3a955eb80e9775bb4ee370f6704cfc8b87c2f6c8855ca970d", kill_on_drop: false }`
[INFO] [stdout] ecdeb4f15b22e5d3a955eb80e9775bb4ee370f6704cfc8b87c2f6c8855ca970d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34ddb6449d6791b34c5aad8167053df3bab208f553390c7b072dab3a656d87e5
[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" "34ddb6449d6791b34c5aad8167053df3bab208f553390c7b072dab3a656d87e5", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/slice.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let mut d = &mut d[..];
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kth` (test "slice") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kth-66d4e6676dbafcc1)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test quickselect::bench::partition5_2 ... ok
[INFO] [stdout] test quickselect::bench::partition5 ... ok
[INFO] [stdout] test quickselect::test::partition5 ... ok
[INFO] [stdout] test quickselect::test::partition5_2 ... ok
[INFO] [stdout] test quickselect::test::sort3 ... ok
[INFO] [stdout] test quickselect::test::sort5 ... ok
[INFO] [stdout] test quickselect::test::qs_repeated_step3 ... ok
[INFO] [stdout] test quickselect::test::hoare_partition_qc ... ok
[INFO] [stdout] test quickselect::test::qs_median_of_medians ... ok
[INFO] [stdout] test quickselect::bench::repeated_step3_big ... ok
[INFO] [stdout] test quickselect::bench::median_of_medians_big ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/slice.rs (/opt/rustwide/target/debug/deps/slice-0e03b3f12eed3a1d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests kth
[INFO] [stdout] test pbk ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - SliceExtKth::partition_by_kth (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34ddb6449d6791b34c5aad8167053df3bab208f553390c7b072dab3a656d87e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ddb6449d6791b34c5aad8167053df3bab208f553390c7b072dab3a656d87e5", kill_on_drop: false }`
[INFO] [stdout] 34ddb6449d6791b34c5aad8167053df3bab208f553390c7b072dab3a656d87e5