[INFO] fetching crate utote 0.6.0...
[INFO] testing utote-0.6.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate utote 0.6.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate utote 0.6.0 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] removed /workspace/builds/worker-117/source/rust-toolchain
[INFO] started tweaking crates.io crate utote 0.6.0
[INFO] finished tweaking crates.io crate utote 0.6.0
[INFO] tweaked toml for crates.io crate utote 0.6.0 written to /workspace/builds/worker-117/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] 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-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 0d7bc4a447f04bc8d3bb8a9f6fcb53f93adb155c8638464958be366257bf7f5d
[INFO] running `Command { std: "docker" "start" "-a" "0d7bc4a447f04bc8d3bb8a9f6fcb53f93adb155c8638464958be366257bf7f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7bc4a447f04bc8d3bb8a9f6fcb53f93adb155c8638464958be366257bf7f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7bc4a447f04bc8d3bb8a9f6fcb53f93adb155c8638464958be366257bf7f5d", kill_on_drop: false }`
[INFO] [stdout] 0d7bc4a447f04bc8d3bb8a9f6fcb53f93adb155c8638464958be366257bf7f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 1baec728bf366b9a2609f569477c3b4cd1066bb3e43b40198e62a0a0725bf92a
[INFO] running `Command { std: "docker" "start" "-a" "1baec728bf366b9a2609f569477c3b4cd1066bb3e43b40198e62a0a0725bf92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling utote v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "1baec728bf366b9a2609f569477c3b4cd1066bb3e43b40198e62a0a0725bf92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1baec728bf366b9a2609f569477c3b4cd1066bb3e43b40198e62a0a0725bf92a", kill_on_drop: false }`
[INFO] [stdout] 1baec728bf366b9a2609f569477c3b4cd1066bb3e43b40198e62a0a0725bf92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 594aa6d4c0ed86e70237bba8481b31859614b56486b4552c1246764775065a1b
[INFO] running `Command { std: "docker" "start" "-a" "594aa6d4c0ed86e70237bba8481b31859614b56486b4552c1246764775065a1b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling utote v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "594aa6d4c0ed86e70237bba8481b31859614b56486b4552c1246764775065a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594aa6d4c0ed86e70237bba8481b31859614b56486b4552c1246764775065a1b", kill_on_drop: false }`
[INFO] [stdout] 594aa6d4c0ed86e70237bba8481b31859614b56486b4552c1246764775065a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 677591152e85bb4681d0f3e1a8170736d4f3707126c19aab59483ca8e1213d1a
[INFO] running `Command { std: "docker" "start" "-a" "677591152e85bb4681d0f3e1a8170736d4f3707126c19aab59483ca8e1213d1a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/utote-5d5d539cd4f0603e)
[INFO] [stdout] running 52 tests
[INFO] [stdout] test multiset::tests::from_array ... ok
[INFO] [stdout] test multiset::tests::from_slice ... ok
[INFO] [stdout] test multiset::tests::test_add ... ok
[INFO] [stdout] test multiset::tests::test_argmax ... ok
[INFO] [stdout] test multiset::tests::test_argmin ... ok
[INFO] [stdout] test multiset::tests::test_choose ... ok
[INFO] [stdout] test multiset::tests::test_clear ... ok
[INFO] [stdout] test multiset::tests::test_collision_entropy ... ok
[INFO] [stdout] test multiset::tests::test_contains_unchecked ... ok
[INFO] [stdout] test multiset::tests::test_contains ... ok
[INFO] [stdout] test multiset::tests::test_count_non_zero ... ok
[INFO] [stdout] test multiset::tests::test_count_zero ... ok
[INFO] [stdout] test multiset::tests::test_difference ... ok
[INFO] [stdout] test multiset::tests::test_div ... ok
[INFO] [stdout] test multiset::tests::test_empty ... ok
[INFO] [stdout] test multiset::tests::test_from_elements ... ok
[INFO] [stdout] test multiset::tests::test_from_elements_panic ... ok
[INFO] [stdout] test multiset::tests::test_generic ... ok
[INFO] [stdout] test multiset::tests::test_get ... ok
[INFO] [stdout] test multiset::tests::test_get_unchecked ... ok
[INFO] [stdout] test multiset::tests::test_imax ... ok
[INFO] [stdout] test multiset::tests::test_imin ... ok
[INFO] [stdout] test multiset::tests::test_index ... ok
[INFO] [stdout] test multiset::tests::test_index_mut ... ok
[INFO] [stdout] test multiset::tests::test_insert ... ok
[INFO] [stdout] test multiset::tests::test_insert_unchecked ... ok
[INFO] [stdout] test multiset::tests::test_intersection ... ok
[INFO] [stdout] test multiset::tests::test_is_any_greater ... ok
[INFO] [stdout] test multiset::tests::test_is_any_lesser ... ok
[INFO] [stdout] test multiset::tests::test_is_disjoint ... ok
[INFO] [stdout] test multiset::tests::test_is_empty ... ok
[INFO] [stdout] test multiset::tests::test_is_proper_subset ... ok
[INFO] [stdout] test multiset::tests::test_is_proper_superset ... ok
[INFO] [stdout] test multiset::tests::test_is_singleton ... ok
[INFO] [stdout] test multiset::tests::test_is_subset ... ok
[INFO] [stdout] test multiset::tests::test_is_superset ... ok
[INFO] [stdout] test multiset::tests::test_len ... ok
[INFO] [stdout] test multiset::tests::test_min ... ok
[INFO] [stdout] test multiset::tests::test_max ... ok
[INFO] [stdout] test multiset::tests::test_mul ... ok
[INFO] [stdout] test multiset::tests::test_new ... ok
[INFO] [stdout] test multiset::tests::test_rem ... ok
[INFO] [stdout] test multiset::tests::test_remove ... ok
[INFO] [stdout] test multiset::tests::test_remove_unchecked ... ok
[INFO] [stdout] test multiset::tests::test_repeat ... ok
[INFO] [stdout] test multiset::tests::test_shannon_entropy ... ok
[INFO] [stdout] test multiset::tests::test_sub ... ok
[INFO] [stdout] test multiset::tests::test_symmetric_difference ... ok
[INFO] [stdout] test multiset::tests::test_total ... ok
[INFO] [stdout] test multiset::tests::test_union ... ok
[INFO] [stdout] test multiset::tests::test_zip_map ... ok
[INFO] [stdout] test multiset::tests::to_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utote
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test src/multiset.rs - multiset::Multiset (line 174) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::elem_count_max (line 1367) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::union (line 1031) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::elem_count_min (line 1418) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::symmetric_difference (line 1084) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::difference (line 1054) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_superset (line 1215) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_proper_subset (line 1241) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_proper_superset (line 1265) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_any_greater (line 1310) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::intersection (line 1009) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::empty (line 646) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::from_elements (line 686) ... FAILED
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::count_zero (line 1125) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::insert_unchecked (line 819) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset (line 156) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::shannon_entropy (line 1559) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::clear (line 725) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_singleton (line 1142) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::new (line 597) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::elem_max (line 1386) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_any_lesser (line 1287) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::count_non_zero (line 1107) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::get_mut (line 917) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::contains_unchecked (line 770) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::count_min (line 1452) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::get_unchecked (line 950) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_empty (line 1329) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::total (line 1348) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::get_unchecked_mut (line 982) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset (line 133) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::insert (line 789) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::choose (line 1468) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset (line 110) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::remove_unchecked (line 868) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_disjoint (line 1162) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::repeat (line 665) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::contains (line 741) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::elem_min (line 1437) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::collision_entropy (line 1528) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::count_max (line 1401) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::remove (line 838) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::get (line 892) ... ok
[INFO] [stdout] test src/multiset.rs - multiset::Multiset<N, SIZE>::is_subset (line 1190) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 25) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::elem_count_max (line 1367) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::union (line 1031) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::elem_count_min (line 1418) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::symmetric_difference (line 1084) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::difference (line 1054) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::is_superset (line 1215) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::is_proper_subset (line 1241) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::is_proper_superset (line 1265) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::is_any_greater (line 1310) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::intersection (line 1009) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::empty (line 646) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multiset.rs - multiset::Multiset<N, SIZE>::from_elements (line 686) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 25)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::difference (line 1054)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::elem_count_max (line 1367)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::elem_count_min (line 1418)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::empty (line 646)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::from_elements (line 686)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::intersection (line 1009)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::is_any_greater (line 1310)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::is_proper_subset (line 1241)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::is_proper_superset (line 1265)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::is_superset (line 1215)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::symmetric_difference (line 1084)
[INFO] [stdout]     src/multiset.rs - multiset::Multiset<N, SIZE>::union (line 1031)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 32 passed; 13 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.31s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "677591152e85bb4681d0f3e1a8170736d4f3707126c19aab59483ca8e1213d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677591152e85bb4681d0f3e1a8170736d4f3707126c19aab59483ca8e1213d1a", kill_on_drop: false }`
[INFO] [stdout] 677591152e85bb4681d0f3e1a8170736d4f3707126c19aab59483ca8e1213d1a