[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#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Fgroup-by" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kerollmops/group-by on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 879c4f99cdcfdf97f3dc6cf27c5e7a3457811ef02823e55c22cd789726769849
[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" "879c4f99cdcfdf97f3dc6cf27c5e7a3457811ef02823e55c22cd789726769849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "879c4f99cdcfdf97f3dc6cf27c5e7a3457811ef02823e55c22cd789726769849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879c4f99cdcfdf97f3dc6cf27c5e7a3457811ef02823e55c22cd789726769849", kill_on_drop: false }`
[INFO] [stdout] 879c4f99cdcfdf97f3dc6cf27c5e7a3457811ef02823e55c22cd789726769849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 0447d4d2785bc0c63cd75f8135b8ebd2c33417c3131b2f62f826fd4c896e77c4
[INFO] running `Command { std: "docker" "start" "-a" "0447d4d2785bc0c63cd75f8135b8ebd2c33417c3131b2f62f826fd4c896e77c4", 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 1.01s
[INFO] running `Command { std: "docker" "inspect" "0447d4d2785bc0c63cd75f8135b8ebd2c33417c3131b2f62f826fd4c896e77c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0447d4d2785bc0c63cd75f8135b8ebd2c33417c3131b2f62f826fd4c896e77c4", kill_on_drop: false }`
[INFO] [stdout] 0447d4d2785bc0c63cd75f8135b8ebd2c33417c3131b2f62f826fd4c896e77c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d10e913d1644232d75ab93abda87b1aa46f0fcdf03c0ef36d20fa7e982225d5a
[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" "d10e913d1644232d75ab93abda87b1aa46f0fcdf03c0ef36d20fa7e982225d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling slice-group-by v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "d10e913d1644232d75ab93abda87b1aa46f0fcdf03c0ef36d20fa7e982225d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10e913d1644232d75ab93abda87b1aa46f0fcdf03c0ef36d20fa7e982225d5a", kill_on_drop: false }`
[INFO] [stdout] d10e913d1644232d75ab93abda87b1aa46f0fcdf03c0ef36d20fa7e982225d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9eb6199e9e6ffd3d1a19fd4a2b01a0a43cafa525cd37b3a4d46b374a94662963
[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" "9eb6199e9e6ffd3d1a19fd4a2b01a0a43cafa525cd37b3a4d46b374a94662963", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice_group_by-d0ed1f3c20be65ed)
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test binary_group::tests::three_groups ... ok
[INFO] [stdout] test binary_group::tests::one_big_group ... ok
[INFO] [stdout] test binary_group::tests::three_little_groups ... ok
[INFO] [stdout] test binary_group::tests::last_overflow ... ok
[INFO] [stdout] test binary_group::tests::back_three_groups ... ok
[INFO] [stdout] test binary_group::tests::back_fused_iterator ... ok
[INFO] [stdout] test binary_group::tests::two_little_equal_groups ... ok
[INFO] [stdout] test binary_group::tests::two_equal_groups ... ok
[INFO] [stdout] test exponential_group::tests::back_empty_slice ... ok
[INFO] [stdout] test exponential_group::tests::last_overflow ... ok
[INFO] [stdout] test exponential_group::tests::back_one_little_group ... ok
[INFO] [stdout] test exponential_group::tests::fused_iterator ... ok
[INFO] [stdout] test exponential_group::tests::back_three_groups ... ok
[INFO] [stdout] test exponential_group::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test exponential_group::tests::back_three_little_groups ... ok
[INFO] [stdout] test binary_group::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test binary_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 binary_group::tests::back_one_little_group ... ok
[INFO] [stdout] test binary_group::tests::fused_iterator ... 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_fused_iterator ... ok
[INFO] [stdout] test exponential_group::tests::back_fused_iterator ... ok
[INFO] [stdout] test linear_group::tests::back_empty_slice ... ok
[INFO] [stdout] test binary_group::tests::back_empty_slice ... ok
[INFO] [stdout] test binary_group::tests::last_three_groups ... ok
[INFO] [stdout] test exponential_group::tests::three_little_groups ... ok
[INFO] [stdout] test exponential_group::tests::overflow ... ok
[INFO] [stdout] test binary_group::tests::overflow ... ok
[INFO] [stdout] test exponential_group::tests::last_three_groups ... ok
[INFO] [stdout] test exponential_group::tests::three_groups ... ok
[INFO] [stdout] test binary_group::tests::last_three_little_groups ... ok
[INFO] [stdout] test linear_group::tests::back_one_little_group ... ok
[INFO] [stdout] test linear_group::tests::last_three_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::one_big_group ... ok
[INFO] [stdout] test linear_group::tests::back_three_little_groups ... ok
[INFO] [stdout] test linear_group::tests::rev_predicate_call_param_order ... ok
[INFO] [stdout] test linear_group::tests::predicate_call_param_order ... ok
[INFO] [stdout] test linear_group::tests::two_equal_groups ... ok
[INFO] [stdout] test linear_group::tests::overflow ... ok
[INFO] [stdout] test linear_group::tests::two_little_equal_groups ... ok
[INFO] [stdout] test linear_group::tests::last_three_little_groups ... ok
[INFO] [stdout] test linear_group::tests::last_overflow ... ok
[INFO] [stdout] test linear_str_group::tests::str_ascii_cjk ... ok
[INFO] [stdout] test linear_group::tests::back_three_groups ... ok
[INFO] [stdout] test linear_str_group::tests::str_mut_easy ... ok
[INFO] [stdout] test linear_str_group::tests::str_mut_rev_easy ... ok
[INFO] [stdout] test linear_str_group::tests::str_rev_easy ... ok
[INFO] [stderr]    Doc-tests slice-group-by
[INFO] [stdout] test linear_str_group::tests::str_easy ... ok
[INFO] [stdout] test linear_str_group::tests::str_kanji ... ok
[INFO] [stdout] test linear_str_group::tests::str_rev_ascii_cjk ... ok
[INFO] [stdout] test linear_group::tests::three_groups ... ok
[INFO] [stdout] test linear_group::tests::three_little_groups ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search (line 191) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by (line 225) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by_key (line 272) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9eb6199e9e6ffd3d1a19fd4a2b01a0a43cafa525cd37b3a4d46b374a94662963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb6199e9e6ffd3d1a19fd4a2b01a0a43cafa525cd37b3a4d46b374a94662963", kill_on_drop: false }`
[INFO] [stdout] 9eb6199e9e6ffd3d1a19fd4a2b01a0a43cafa525cd37b3a4d46b374a94662963