[INFO] fetching crate sdset 0.4.0...
[INFO] testing sdset-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sdset 0.4.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate sdset 0.4.0 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 sdset 0.4.0
[INFO] finished tweaking crates.io crate sdset 0.4.0
[INFO] tweaked toml for crates.io crate sdset 0.4.0 written to /workspace/builds/worker-71/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 512018d7eb7899e506fa006eb511136331853f09d19013c5f724d82fb45b8ee0
[INFO] running `Command { std: "docker" "start" "-a" "512018d7eb7899e506fa006eb511136331853f09d19013c5f724d82fb45b8ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "512018d7eb7899e506fa006eb511136331853f09d19013c5f724d82fb45b8ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512018d7eb7899e506fa006eb511136331853f09d19013c5f724d82fb45b8ee0", kill_on_drop: false }`
[INFO] [stdout] 512018d7eb7899e506fa006eb511136331853f09d19013c5f724d82fb45b8ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 39b3cd4d1c76b8b58a3484578bebe7453b055b64b3fa74d0685070d68d8650ff
[INFO] running `Command { std: "docker" "start" "-a" "39b3cd4d1c76b8b58a3484578bebe7453b055b64b3fa74d0685070d68d8650ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdset v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "39b3cd4d1c76b8b58a3484578bebe7453b055b64b3fa74d0685070d68d8650ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b3cd4d1c76b8b58a3484578bebe7453b055b64b3fa74d0685070d68d8650ff", kill_on_drop: false }`
[INFO] [stdout] 39b3cd4d1c76b8b58a3484578bebe7453b055b64b3fa74d0685070d68d8650ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 472a930070ad1c2e75d1d97622e0d6070a8885dfb77d8d7b80393095a33ccc0f
[INFO] running `Command { std: "docker" "start" "-a" "472a930070ad1c2e75d1d97622e0d6070a8885dfb77d8d7b80393095a33ccc0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling sdset v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "472a930070ad1c2e75d1d97622e0d6070a8885dfb77d8d7b80393095a33ccc0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472a930070ad1c2e75d1d97622e0d6070a8885dfb77d8d7b80393095a33ccc0f", kill_on_drop: false }`
[INFO] [stdout] 472a930070ad1c2e75d1d97622e0d6070a8885dfb77d8d7b80393095a33ccc0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 44d793ccdc19b8f37bc350d7d2bda60138b1afcf0fe509da04292e7d482a93bb
[INFO] running `Command { std: "docker" "start" "-a" "44d793ccdc19b8f37bc350d7d2bda60138b1afcf0fe509da04292e7d482a93bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sdset-033fb3449989ba75)
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test duo::difference::tests::two_slices ... ok
[INFO] [stdout] test duo::difference::tests::two_slices_special_case ... ok
[INFO] [stdout] test duo::difference_by_key::tests::difference_empty_duplicate_relations ... ok
[INFO] [stdout] test duo::difference_by_key::tests::difference_empty_no_duplicates ... ok
[INFO] [stdout] test duo::intersection::tests::two_slices ... ok
[INFO] [stdout] test duo::difference_by_key::tests::difference_non_empty_duplicate_relations ... ok
[INFO] [stdout] test duo::union::tests::union_two_slices_first_empty ... ok
[INFO] [stdout] test duo::union::tests::union_two_slices_easy ... ok
[INFO] [stdout] test duo::union::tests::union_two_slices_same_elem ... ok
[INFO] [stdout] test multi::difference::tests::one_empty_slice ... ok
[INFO] [stdout] test multi::difference::tests::one_slice ... ok
[INFO] [stdout] test duo::union::tests::union_two_slices_second_empty ... ok
[INFO] [stdout] test multi::difference::tests::three_slices ... ok
[INFO] [stdout] test multi::difference::tests::no_slice ... ok
[INFO] [stdout] test multi::difference::tests::two_slices ... ok
[INFO] [stdout] test multi::difference::tests::two_slices_special_case ... ok
[INFO] [stdout] test multi::difference_by_key::tests::one_empty_slice ... ok
[INFO] [stdout] test multi::difference_by_key::tests::one_slice ... ok
[INFO] [stdout] test multi::union::tests::no_slice ... ok
[INFO] [stdout] test multi::intersection::tests::no_slice ... ok
[INFO] [stdout] test multi::intersection::tests::three_slices ... ok
[INFO] [stdout] test duo::difference::tests::qc_difference ... ok
[INFO] [stdout] test multi::difference_by_key::tests::three_slices ... ok
[INFO] [stdout] test multi::difference_by_key::tests::two_slices ... ok
[INFO] [stdout] test multi::difference_by_key::tests::two_slices_special_case ... ok
[INFO] [stdout] test multi::intersection::tests::one_empty_slice ... ok
[INFO] [stdout] test multi::intersection::tests::two_slices ... ok
[INFO] [stdout] test multi::intersection::tests::one_slice ... ok
[INFO] [stdout] test multi::union::tests::one_empty_slice ... ok
[INFO] [stdout] test multi::union::tests::one_slice ... ok
[INFO] [stdout] test multi::union::tests::three_slices ... ok
[INFO] [stdout] test multi::union::tests::two_slices_little ... ok
[INFO] [stdout] test set::tests::range_set ... ok
[INFO] [stdout] test multi::union::tests::two_slices ... ok
[INFO] [stdout] test set::tests::cow_set_setbuf ... ok
[INFO] [stdout] test multi::union::tests::two_slices_equal ... ok
[INFO] [stdout] test duo::difference_by_key::tests::qc_difference ... ok
[INFO] [stdout] test duo::intersection::tests::qc_intersection ... ok
[INFO] [stdout] test duo::symmetric_difference::tests::qc_symmetric_difference ... ok
[INFO] [stdout] test duo::union::tests::qc_union ... ok
[INFO] [stdout] test multi::intersection::tests::qc_intersection ... ok
[INFO] [stdout] test multi::difference::tests::qc_difference ... ok
[INFO] [stdout] test multi::difference_by_key::tests::qc_difference ... ok
[INFO] [stdout] test multi::symmetric_difference::tests::qc_symmetric_difference ... ok
[INFO] [stderr]    Doc-tests sdset
[INFO] [stdout] test multi::union::tests::qc_union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 45 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.81s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/lib.rs - exponential_search (line 83) ... ok
[INFO] [stdout] test src/duo/difference.rs - duo::difference::Difference (line 7) ... ok
[INFO] [stdout] test src/duo/symmetric_difference.rs - duo::symmetric_difference::SymmetricDifference (line 8) ... ok
[INFO] [stdout] test src/collection.rs - collection::Counter (line 80) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by (line 117) ... ok
[INFO] [stdout] test src/duo/intersection.rs - duo::intersection::Intersection (line 8) ... ok
[INFO] [stdout] test src/duo/mod.rs - duo (line 4) ... ok
[INFO] [stdout] test src/multi/difference.rs - multi::difference::Difference (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::new_unchecked (line 347) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by_key (line 164) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::into_vec (line 385) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::iter (line 403) ... ok
[INFO] [stdout] test src/multi/symmetric_difference.rs - multi::symmetric_difference::SymmetricDifference (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi (line 4) ... ok
[INFO] [stdout] test src/set.rs - set::vec_slices_into_sets_unchecked (line 553) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::as_slice (line 215) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::new_unchecked (line 50) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::as_set (line 366) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::contains (line 177) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::iter (line 233) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::to_set_buf (line 197) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::new (line 26) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::new (line 301) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::from_dirty (line 326) ... ok
[INFO] [stdout] test src/set.rs - set::vec_slices_into_sets (line 522) ... ok
[INFO] [stdout] test src/duo/union.rs - duo::union::Union (line 8) ... ok
[INFO] [stdout] test src/multi/union.rs - multi::union::Union (line 8) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::range (line 72) ... ok
[INFO] [stdout] test src/multi/difference_by_key.rs - multi::difference_by_key::DifferenceByKey (line 9) ... ok
[INFO] [stdout] test src/duo/difference_by_key.rs - duo::difference_by_key::DifferenceByKey (line 7) ... ok
[INFO] [stdout] test src/multi/intersection.rs - multi::intersection::Intersection (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44d793ccdc19b8f37bc350d7d2bda60138b1afcf0fe509da04292e7d482a93bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d793ccdc19b8f37bc350d7d2bda60138b1afcf0fe509da04292e7d482a93bb", kill_on_drop: false }`
[INFO] [stdout] 44d793ccdc19b8f37bc350d7d2bda60138b1afcf0fe509da04292e7d482a93bb