[INFO] fetching crate flexihash 0.1.7...
[INFO] testing flexihash-0.1.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate flexihash 0.1.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flexihash 0.1.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexihash 0.1.7
[INFO] finished tweaking crates.io crate flexihash 0.1.7
[INFO] tweaked toml for crates.io crate flexihash 0.1.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e717f76178066f7d4281d629beca0d8ad369793077778f1d0cb2f7fa5f0f9cec
[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" "e717f76178066f7d4281d629beca0d8ad369793077778f1d0cb2f7fa5f0f9cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e717f76178066f7d4281d629beca0d8ad369793077778f1d0cb2f7fa5f0f9cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e717f76178066f7d4281d629beca0d8ad369793077778f1d0cb2f7fa5f0f9cec", kill_on_drop: false }`
[INFO] [stdout] e717f76178066f7d4281d629beca0d8ad369793077778f1d0cb2f7fa5f0f9cec
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 37721f5a5482252dc6f904323cfdd99daffb4e753dd5bdc62eba218b0b521759
[INFO] running `Command { std: "docker" "start" "-a" "37721f5a5482252dc6f904323cfdd99daffb4e753dd5bdc62eba218b0b521759", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling flexihash v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "37721f5a5482252dc6f904323cfdd99daffb4e753dd5bdc62eba218b0b521759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37721f5a5482252dc6f904323cfdd99daffb4e753dd5bdc62eba218b0b521759", kill_on_drop: false }`
[INFO] [stdout] 37721f5a5482252dc6f904323cfdd99daffb4e753dd5bdc62eba218b0b521759
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be5f7b5cc1728d0cf03870f0190bf4be057fb2c7d9dcfaf032cd93b9c0717e8
[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" "9be5f7b5cc1728d0cf03870f0190bf4be057fb2c7d9dcfaf032cd93b9c0717e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling flexihash v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 54.23s
[INFO] running `Command { std: "docker" "inspect" "9be5f7b5cc1728d0cf03870f0190bf4be057fb2c7d9dcfaf032cd93b9c0717e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be5f7b5cc1728d0cf03870f0190bf4be057fb2c7d9dcfaf032cd93b9c0717e8", kill_on_drop: false }`
[INFO] [stdout] 9be5f7b5cc1728d0cf03870f0190bf4be057fb2c7d9dcfaf032cd93b9c0717e8
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0d150040f059de3afb9a6607e227dc0e15f3cc2f1d87d59668d75781de1397d
[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" "e0d150040f059de3afb9a6607e227dc0e15f3cc2f1d87d59668d75781de1397d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flexihash-f6a1f53e40a420fc
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test test_add_remove::get_all_targets_empty ... ok
[INFO] [stdout] test test_add_remove::add_targets_and_get_all_targets ... ok
[INFO] [stdout] test test_hashers::test_crc32 ... ok
[INFO] [stdout] test test_lookups::get_multiple_targets_needing_to_loop_to_start ... ok
[INFO] [stdout] test test_formatting::debug ... ok
[INFO] [stdout] test test_add_remove::add_target_and_get_all_targets ... ok
[INFO] [stdout] test test_hashers::test_md5 ... ok
[INFO] [stdout] test test_lookups::fallback_precedence_when_server_removed ... ok
[INFO] [stdout] test test_lookups::get_more_targets_than_exist ... ok
[INFO] [stdout] test test_add_remove::remove_target ... ok
[INFO] [stdout] test test_lookups::get_multiple_targets_with_only_one_target ... ok
[INFO] [stdout] test test_lookups::get_multiple_targets_without_needing_to_loop_to_start ... ok
[INFO] [stdout] test test_lookups::get_multiple_targets_without_getting_any_before_loop_to_start ... ok
[INFO] [stdout] test test_lookups::hash_space_lookups_are_valid_targets ... ok
[INFO] [stdout] test test_lookups::lookup_list_returns_with_short_list_if_all_targets_used ... ok
[INFO] [stdout] test test_formatting::to_string ... ok
[INFO] [stdout] test test_lookups::hash_space_repeatable_lookups ... ok
[INFO] [stdout] test test_lookups::get_multiple_targets ... ok
[INFO] [stdout] test test_lookups::hash_space_consistent_lookups_after_adding_and_removing ... ok
[INFO] [stdout] test test_lookups::hash_space_consistent_lookups_with_new_instance ... ok
[INFO] [stdout] test test_compat::same_results_as_original ... ok
[INFO] [stdout] test test_add_remove::remove_target_fails_on_missing_target ... ok
[INFO] [stdout] test test_lookups::lookup_list_throws_exception_on_zero ... ok
[INFO] [stdout] test test_lookups::lookup_throws_exception_on_empty ... ok
[INFO] [stdout] test test_add_remove::add_target_throws_exception_on_duplicate_target ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flexihash
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0d150040f059de3afb9a6607e227dc0e15f3cc2f1d87d59668d75781de1397d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d150040f059de3afb9a6607e227dc0e15f3cc2f1d87d59668d75781de1397d", kill_on_drop: false }`
[INFO] [stdout] e0d150040f059de3afb9a6607e227dc0e15f3cc2f1d87d59668d75781de1397d