[INFO] cloning repository https://github.com/Kerollmops/group-by
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kerollmops/group-by" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Fgroup-by", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Fgroup-by'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a04cc6471b245683105cf98537dc2f06dea88ca0
[INFO] testing Kerollmops/group-by against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Fgroup-by" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kerollmops/group-by 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 git repo https://github.com/Kerollmops/group-by
[INFO] finished tweaking git repo https://github.com/Kerollmops/group-by
[INFO] tweaked toml for git repo https://github.com/Kerollmops/group-by written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 742b802a2fb0593af2b5a249382ea23d67782751277cd64d8211f81c1ba7f1e4
[INFO] running `Command { std: "docker" "start" "-a" "742b802a2fb0593af2b5a249382ea23d67782751277cd64d8211f81c1ba7f1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742b802a2fb0593af2b5a249382ea23d67782751277cd64d8211f81c1ba7f1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742b802a2fb0593af2b5a249382ea23d67782751277cd64d8211f81c1ba7f1e4", kill_on_drop: false }`
[INFO] [stdout] 742b802a2fb0593af2b5a249382ea23d67782751277cd64d8211f81c1ba7f1e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 956623f957bb1c7d1adbe01bff941fe80d1fa60e18124add82e95d9253b52d2f
[INFO] running `Command { std: "docker" "start" "-a" "956623f957bb1c7d1adbe01bff941fe80d1fa60e18124add82e95d9253b52d2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-group-by v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "956623f957bb1c7d1adbe01bff941fe80d1fa60e18124add82e95d9253b52d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956623f957bb1c7d1adbe01bff941fe80d1fa60e18124add82e95d9253b52d2f", kill_on_drop: false }`
[INFO] [stdout] 956623f957bb1c7d1adbe01bff941fe80d1fa60e18124add82e95d9253b52d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e49cefd8155e2eedf761f56ca9684257e16804d2ea3168d1ce514d64d2586731
[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" "e49cefd8155e2eedf761f56ca9684257e16804d2ea3168d1ce514d64d2586731", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling slice-group-by v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "e49cefd8155e2eedf761f56ca9684257e16804d2ea3168d1ce514d64d2586731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49cefd8155e2eedf761f56ca9684257e16804d2ea3168d1ce514d64d2586731", kill_on_drop: false }`
[INFO] [stdout] e49cefd8155e2eedf761f56ca9684257e16804d2ea3168d1ce514d64d2586731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d2e380d76d94d5886ffb1543f7f41b16fe820fe2dd6c41651268d8ee1de2219b
[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" "d2e380d76d94d5886ffb1543f7f41b16fe820fe2dd6c41651268d8ee1de2219b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test binary_group::tests::back_empty_slice ... ok
[INFO] [stdout] test binary_group::tests::back_one_little_group ... ok
[INFO] [stdout] test binary_group::tests::back_three_little_groups ... ok
[INFO] [stdout] test binary_group::tests::back_three_groups ... ok
[INFO] [stdout] test binary_group::tests::last_three_groups ... ok
[INFO] [stdout] test binary_group::tests::last_three_little_groups ... ok
[INFO] [stdout] test exponential_group::tests::back_one_little_group ... ok
[INFO] [stdout] test binary_group::tests::back_fused_iterator ... ok
[INFO] [stdout] test binary_group::tests::one_big_group ... ok
[INFO] [stdout] test binary_group::tests::overflow ... ok
[INFO] [stdout] test binary_group::tests::two_little_equal_groups ... ok
[INFO] [stdout] test exponential_group::tests::back_empty_slice ... ok
[INFO] [stdout] test exponential_group::tests::back_three_little_groups ... ok
[INFO] [stdout] test exponential_group::tests::last_three_little_groups ... ok
[INFO] [stdout] test exponential_group::tests::one_big_group ... ok
[INFO] [stdout] test exponential_group::tests::last_three_groups ... ok
[INFO] [stdout] test exponential_group::tests::last_overflow ... ok
[INFO] [stdout] test exponential_group::tests::three_groups ... ok
[INFO] [stdout] test exponential_group::tests::fused_iterator ... ok
[INFO] [stdout] test exponential_group::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test exponential_group::tests::three_little_groups ... ok
[INFO] [stdout] test exponential_group::tests::two_equal_groups ... ok
[INFO] [stdout] test exponential_group::tests::two_little_equal_groups ... ok
[INFO] [stdout] test linear_group::tests::back_empty_slice ... ok
[INFO] [stdout] test linear_group::tests::back_fused_iterator ... ok
[INFO] [stdout] test linear_group::tests::back_one_little_group ... ok
[INFO] [stdout] test linear_group::tests::back_three_groups ... ok
[INFO] [stdout] test linear_group::tests::back_three_little_groups ... ok
[INFO] [stdout] test linear_group::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test linear_group::tests::fused_iterator ... ok
[INFO] [stdout] test linear_group::tests::last_overflow ... ok
[INFO] [stdout] test linear_group::tests::last_three_groups ... ok
[INFO] [stdout] test linear_group::tests::last_three_little_groups ... ok
[INFO] [stdout] test linear_group::tests::one_big_group ... ok
[INFO] [stdout] test linear_group::tests::overflow ... ok
[INFO] [stdout] test linear_group::tests::predicate_call_param_order ... ok
[INFO] [stdout] test linear_group::tests::rev_predicate_call_param_order ... ok
[INFO] [stdout] test linear_group::tests::three_groups ... ok
[INFO] [stdout] test linear_group::tests::three_little_groups ... ok
[INFO] [stdout] test linear_group::tests::two_equal_groups ... ok
[INFO] [stdout] test linear_group::tests::two_little_equal_groups ... ok
[INFO] [stdout] test linear_str_group::tests::str_ascii_cjk ... ok
[INFO] [stdout] test linear_str_group::tests::str_easy ... ok
[INFO] [stdout] test linear_str_group::tests::str_mut_rev_easy ... ok
[INFO] [stdout] test linear_str_group::tests::str_rev_ascii_cjk ... ok
[INFO] [stdout] test linear_str_group::tests::str_rev_easy ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice_group_by-7cb1567459bac875)
[INFO] [stdout] test binary_group::tests::fused_iterator ... ok
[INFO] [stdout] test binary_group::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test binary_group::tests::three_groups ... ok
[INFO] [stdout] test linear_str_group::tests::str_mut_easy ... ok
[INFO] [stdout] test binary_group::tests::last_overflow ... ok
[INFO] [stdout] test binary_group::tests::three_little_groups ... ok
[INFO] [stdout] test exponential_group::tests::overflow ... ok
[INFO] [stdout] test binary_group::tests::two_equal_groups ... ok
[INFO] [stdout] test exponential_group::tests::back_fused_iterator ... ok
[INFO] [stdout] test linear_str_group::tests::str_kanji ... ok
[INFO] [stdout] test exponential_group::tests::back_three_groups ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice-group-by
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search (line 191) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by (line 225) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by_key (line 272) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2e380d76d94d5886ffb1543f7f41b16fe820fe2dd6c41651268d8ee1de2219b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e380d76d94d5886ffb1543f7f41b16fe820fe2dd6c41651268d8ee1de2219b", kill_on_drop: false }`
[INFO] [stdout] d2e380d76d94d5886ffb1543f7f41b16fe820fe2dd6c41651268d8ee1de2219b