[INFO] fetching crate slice-group-by 0.2.6...
[INFO] testing slice-group-by-0.2.6 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate slice-group-by 0.2.6 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate slice-group-by 0.2.6 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slice-group-by 0.2.6
[INFO] finished tweaking crates.io crate slice-group-by 0.2.6
[INFO] tweaked toml for crates.io crate slice-group-by 0.2.6 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b93c5270c0203f34bf53f03a2a835bc5ec0d009d97ca9b4f5f99477f46725d3f
[INFO] running `Command { std: "docker" "start" "-a" "b93c5270c0203f34bf53f03a2a835bc5ec0d009d97ca9b4f5f99477f46725d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b93c5270c0203f34bf53f03a2a835bc5ec0d009d97ca9b4f5f99477f46725d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93c5270c0203f34bf53f03a2a835bc5ec0d009d97ca9b4f5f99477f46725d3f", kill_on_drop: false }`
[INFO] [stdout] b93c5270c0203f34bf53f03a2a835bc5ec0d009d97ca9b4f5f99477f46725d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d5a4e978b36523d642a5260baed36250e90220ed16ae7a1cda417b6cf920bbf
[INFO] running `Command { std: "docker" "start" "-a" "9d5a4e978b36523d642a5260baed36250e90220ed16ae7a1cda417b6cf920bbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-group-by v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "9d5a4e978b36523d642a5260baed36250e90220ed16ae7a1cda417b6cf920bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5a4e978b36523d642a5260baed36250e90220ed16ae7a1cda417b6cf920bbf", kill_on_drop: false }`
[INFO] [stdout] 9d5a4e978b36523d642a5260baed36250e90220ed16ae7a1cda417b6cf920bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a466fb117566f91c35fa911cb70a82f007583a4eb26cb66b49c1518cb9c981c7
[INFO] running `Command { std: "docker" "start" "-a" "a466fb117566f91c35fa911cb70a82f007583a4eb26cb66b49c1518cb9c981c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[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 v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.83s
[INFO] running `Command { std: "docker" "inspect" "a466fb117566f91c35fa911cb70a82f007583a4eb26cb66b49c1518cb9c981c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a466fb117566f91c35fa911cb70a82f007583a4eb26cb66b49c1518cb9c981c7", kill_on_drop: false }`
[INFO] [stdout] a466fb117566f91c35fa911cb70a82f007583a4eb26cb66b49c1518cb9c981c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 482bdf678f5fa79b2f509d75e791b6b6998ae08118eeee83055a707586bacd62
[INFO] running `Command { std: "docker" "start" "-a" "482bdf678f5fa79b2f509d75e791b6b6998ae08118eeee83055a707586bacd62", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 57 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice_group_by-42e48c13cbcf57c4)
[INFO] [stdout] test binary_group::tests::back_empty_slice ... ok
[INFO] [stdout] test binary_group::tests::back_fused_iterator ... ok
[INFO] [stdout] test binary_group::tests::back_one_little_group ... ok
[INFO] [stdout] test binary_group::tests::back_three_groups ... ok
[INFO] [stdout] test binary_group::tests::fused_iterator ... ok
[INFO] [stdout] test binary_group::tests::back_three_little_groups ... 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::last_three_little_groups ... ok
[INFO] [stdout] test binary_group::tests::three_groups ... ok
[INFO] [stdout] test binary_group::tests::double_ended_dont_cross ... ok
[INFO] [stdout] test binary_group::tests::three_little_groups ... ok
[INFO] [stdout] test binary_group::tests::two_equal_groups ... 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_fused_iterator ... ok
[INFO] [stdout] test binary_group::tests::last_three_groups ... ok
[INFO] [stdout] test exponential_group::tests::back_three_groups ... ok
[INFO] [stdout] test exponential_group::tests::back_three_little_groups ... ok
[INFO] [stdout] test binary_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::double_ended_dont_cross ... ok
[INFO] [stdout] test exponential_group::tests::last_overflow ... ok
[INFO] [stdout] test exponential_group::tests::last_three_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::overflow ... ok
[INFO] [stdout] test exponential_group::tests::three_groups ... 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_kanji ... 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_ascii_cjk ... ok
[INFO] [stdout] test linear_str_group::tests::str_rev_easy ... 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 - exponential_search (line 203) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by_key (line 284) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... 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 (line 237) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "482bdf678f5fa79b2f509d75e791b6b6998ae08118eeee83055a707586bacd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482bdf678f5fa79b2f509d75e791b6b6998ae08118eeee83055a707586bacd62", kill_on_drop: false }`
[INFO] [stdout] 482bdf678f5fa79b2f509d75e791b6b6998ae08118eeee83055a707586bacd62