[INFO] fetching crate sdset 0.4.0...
[INFO] testing sdset-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sdset 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sdset 0.4.0 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 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-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 103c2cd5ecdbb4d3c45a10837d4f25bd2698c4a95e118bd4552c8a2d224d60c7
[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" "103c2cd5ecdbb4d3c45a10837d4f25bd2698c4a95e118bd4552c8a2d224d60c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103c2cd5ecdbb4d3c45a10837d4f25bd2698c4a95e118bd4552c8a2d224d60c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103c2cd5ecdbb4d3c45a10837d4f25bd2698c4a95e118bd4552c8a2d224d60c7", kill_on_drop: false }`
[INFO] [stdout] 103c2cd5ecdbb4d3c45a10837d4f25bd2698c4a95e118bd4552c8a2d224d60c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5b8cc57805afdf8aa40675ff936526579e71188bc131e3738eef62b4efcb1b4
[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" "f5b8cc57805afdf8aa40675ff936526579e71188bc131e3738eef62b4efcb1b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdset v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "f5b8cc57805afdf8aa40675ff936526579e71188bc131e3738eef62b4efcb1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b8cc57805afdf8aa40675ff936526579e71188bc131e3738eef62b4efcb1b4", kill_on_drop: false }`
[INFO] [stdout] f5b8cc57805afdf8aa40675ff936526579e71188bc131e3738eef62b4efcb1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c5c7428e70557232f20252f82f0da7532b1e9c88be96de3a7d992d14d00ace
[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" "f8c5c7428e70557232f20252f82f0da7532b1e9c88be96de3a7d992d14d00ace", kill_on_drop: false }`
[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 9.67s
[INFO] running `Command { std: "docker" "inspect" "f8c5c7428e70557232f20252f82f0da7532b1e9c88be96de3a7d992d14d00ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c5c7428e70557232f20252f82f0da7532b1e9c88be96de3a7d992d14d00ace", kill_on_drop: false }`
[INFO] [stdout] f8c5c7428e70557232f20252f82f0da7532b1e9c88be96de3a7d992d14d00ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 09fe8013cb49cd2ae92a53baf1f6096b8fbeb1a7842ebd0c42faa6f6a620657e
[INFO] running `Command { std: "docker" "start" "-a" "09fe8013cb49cd2ae92a53baf1f6096b8fbeb1a7842ebd0c42faa6f6a620657e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sdset-cde2aff0d0277091
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test duo::difference::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_same_elem ... ok
[INFO] [stdout] test multi::difference::tests::one_empty_slice ... ok
[INFO] [stdout] test multi::difference::tests::no_slice ... ok
[INFO] [stdout] test duo::union::tests::union_two_slices_second_empty ... ok
[INFO] [stdout] test duo::union::tests::union_two_slices_first_empty ... ok
[INFO] [stdout] test duo::intersection::tests::two_slices ... 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 multi::difference::tests::one_slice ... ok
[INFO] [stdout] test multi::difference_by_key::tests::one_slice ... ok
[INFO] [stdout] test multi::difference_by_key::tests::one_empty_slice ... ok
[INFO] [stdout] test multi::difference::tests::two_slices ... ok
[INFO] [stdout] test duo::difference::tests::two_slices_special_case ... ok
[INFO] [stdout] test multi::difference_by_key::tests::three_slices ... ok
[INFO] [stdout] test multi::difference_by_key::tests::two_slices_special_case ... ok
[INFO] [stdout] test duo::union::tests::union_two_slices_easy ... ok
[INFO] [stdout] test multi::intersection::tests::no_slice ... ok
[INFO] [stdout] test multi::difference::tests::three_slices ... ok
[INFO] [stdout] test multi::difference::tests::two_slices_special_case ... ok
[INFO] [stdout] test multi::intersection::tests::two_slices ... ok
[INFO] [stdout] test multi::difference_by_key::tests::two_slices ... ok
[INFO] [stdout] test multi::union::tests::no_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::intersection::tests::one_slice ... ok
[INFO] [stdout] test multi::union::tests::two_slices ... ok
[INFO] [stdout] test multi::intersection::tests::one_empty_slice ... ok
[INFO] [stdout] test multi::intersection::tests::three_slices ... ok
[INFO] [stdout] test multi::union::tests::three_slices ... ok
[INFO] [stdout] test set::tests::range_set ... ok
[INFO] [stdout] test set::tests::cow_set_setbuf ... ok
[INFO] [stdout] test multi::union::tests::two_slices_equal ... ok
[INFO] [stdout] test multi::union::tests::two_slices_little ... ok
[INFO] [stdout] test duo::symmetric_difference::tests::qc_symmetric_difference ... ok
[INFO] [stdout] test duo::intersection::tests::qc_intersection ... ok
[INFO] [stdout] test duo::difference_by_key::tests::qc_difference ... ok
[INFO] [stdout] test duo::difference::tests::qc_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] [stdout] test multi::union::tests::qc_union ... ok
[INFO] [stderr]    Doc-tests sdset
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 45 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/lib.rs - exponential_search_by (line 117) ... ok
[INFO] [stdout] test src/collection.rs - collection::Counter (line 80) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search_by_key (line 164) ... ok
[INFO] [stdout] test src/duo/union.rs - duo::union::Union (line 8) ... ok
[INFO] [stdout] test src/lib.rs - exponential_search (line 83) ... ok
[INFO] [stdout] test src/multi/difference.rs - multi::difference::Difference (line 11) ... ok
[INFO] [stdout] test src/duo/symmetric_difference.rs - duo::symmetric_difference::SymmetricDifference (line 8) ... ok
[INFO] [stdout] test src/duo/mod.rs - duo (line 4) ... ok
[INFO] [stdout] test src/duo/difference.rs - duo::difference::Difference (line 7) ... ok
[INFO] [stdout] test src/duo/difference_by_key.rs - duo::difference_by_key::DifferenceByKey (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/duo/intersection.rs - duo::intersection::Intersection (line 8) ... ok
[INFO] [stdout] test src/multi/difference_by_key.rs - multi::difference_by_key::DifferenceByKey (line 9) ... 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>::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::Set<T>::new (line 26) ... ok
[INFO] [stdout] test src/multi/intersection.rs - multi::intersection::Intersection (line 12) ... ok
[INFO] [stdout] test src/set.rs - set::Set<T>::to_set_buf (line 197) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::into_vec (line 385) ... ok
[INFO] [stdout] test src/multi/symmetric_difference.rs - multi::symmetric_difference::SymmetricDifference (line 8) ... ok
[INFO] [stdout] test src/multi/mod.rs - multi (line 4) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::as_set (line 366) ... 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/set.rs - set::SetBuf<T>::from_dirty (line 326) ... ok
[INFO] [stdout] test src/set.rs - set::vec_slices_into_sets_unchecked (line 553) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::iter (line 403) ... ok
[INFO] [stdout] test src/set.rs - set::vec_slices_into_sets (line 522) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::new_unchecked (line 347) ... ok
[INFO] [stdout] test src/set.rs - set::SetBuf<T>::new (line 301) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09fe8013cb49cd2ae92a53baf1f6096b8fbeb1a7842ebd0c42faa6f6a620657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fe8013cb49cd2ae92a53baf1f6096b8fbeb1a7842ebd0c42faa6f6a620657e", kill_on_drop: false }`
[INFO] [stdout] 09fe8013cb49cd2ae92a53baf1f6096b8fbeb1a7842ebd0c42faa6f6a620657e