[INFO] fetching crate mset 0.1.0...
[INFO] testing mset-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mset 0.1.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate mset 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mset 0.1.0
[INFO] finished tweaking crates.io crate mset 0.1.0
[INFO] tweaked toml for crates.io crate mset 0.1.0 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9111a81ef47734574ad96660cfd4712720c63eddba1cecaebd0a5f863e30530
[INFO] running `Command { std: "docker" "start" "-a" "f9111a81ef47734574ad96660cfd4712720c63eddba1cecaebd0a5f863e30530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9111a81ef47734574ad96660cfd4712720c63eddba1cecaebd0a5f863e30530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9111a81ef47734574ad96660cfd4712720c63eddba1cecaebd0a5f863e30530", kill_on_drop: false }`
[INFO] [stdout] f9111a81ef47734574ad96660cfd4712720c63eddba1cecaebd0a5f863e30530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90db6c7088a85c69c217cbf24835a7656c7f3c522f1a295ce84b4b4d198d818
[INFO] running `Command { std: "docker" "start" "-a" "b90db6c7088a85c69c217cbf24835a7656c7f3c522f1a295ce84b4b4d198d818", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "b90db6c7088a85c69c217cbf24835a7656c7f3c522f1a295ce84b4b4d198d818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90db6c7088a85c69c217cbf24835a7656c7f3c522f1a295ce84b4b4d198d818", kill_on_drop: false }`
[INFO] [stdout] b90db6c7088a85c69c217cbf24835a7656c7f3c522f1a295ce84b4b4d198d818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c808d6573e1acc3e06a8c769cc566a7cfe67d34d0535c9415db93703c729087
[INFO] running `Command { std: "docker" "start" "-a" "7c808d6573e1acc3e06a8c769cc566a7cfe67d34d0535c9415db93703c729087", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling version-sync v0.9.4
[INFO] [stderr]    Compiling mset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.74s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mset-50c8df2076f3ab29)
[INFO] [stderr]   Executable tests/test-lib.rs (/opt/rustwide/target/debug/deps/test_lib-27f3b2bec9c5a67d)
[INFO] [stderr]   Executable tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-f4b95aca2fa07125)
[INFO] running `Command { std: "docker" "inspect" "7c808d6573e1acc3e06a8c769cc566a7cfe67d34d0535c9415db93703c729087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c808d6573e1acc3e06a8c769cc566a7cfe67d34d0535c9415db93703c729087", kill_on_drop: false }`
[INFO] [stdout] 7c808d6573e1acc3e06a8c769cc566a7cfe67d34d0535c9415db93703c729087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f58cb354e56e29031279b7f52de44d13f9819fb2f63ee7a2d1d570a5c4a0ba5
[INFO] running `Command { std: "docker" "start" "-a" "7f58cb354e56e29031279b7f52de44d13f9819fb2f63ee7a2d1d570a5c4a0ba5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mset-50c8df2076f3ab29)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test-lib.rs (/opt/rustwide/target/debug/deps/test_lib-27f3b2bec9c5a67d)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-f4b95aca2fa07125)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_difference ... ok
[INFO] [stdout] test test_disjoint ... ok
[INFO] [stdout] test test_drain_trivial ... ok
[INFO] [stdout] test test_extend_ref ... ok
[INFO] [stdout] test test_eq ... ok
[INFO] [stdout] test test_insert_and_retrieve_elements ... ok
[INFO] [stdout] test test_intersection ... ok
[INFO] [stdout] test test_iterator_over_element_counts ... ok
[INFO] [stdout] test test_iterator_over_elements ... ok
[INFO] [stdout] test test_retrieving_mset_values ... ok
[INFO] [stdout] test test_symmetric_difference ... ok
[INFO] [stdout] test test_subset_and_superset ... ok
[INFO] [stdout] test test_drain_nontrivial ... ok
[INFO] [stdout] test test_union ... ok
[INFO] [stdout] test test_mset_clear ... ok
[INFO] [stdout] test test_move_iter ... ok
[INFO] [stdout] test test_show_nontrivial ... ok
[INFO] [stdout] test test_show_trivial ... ok
[INFO] [stdout] test test_zero_capacity ... ok
[INFO] [stdout] test test_retain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stderr]    Doc-tests mset
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::drain (line 701) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,RandomState>::with_capacity (line 164) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::hasher (line 348) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::clear (line 281) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::contains (line 838) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::get_element_multiplicity (line 889) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::with_capacity_and_hasher (line 328) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::capacity (line 182) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T> (line 911) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::insert (line 535) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet (line 114) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::is_disjoint (line 455) ... ok
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::bitand (line 981) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::element_counts (line 197) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::is_empty (line 263) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::get (line 867) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,RandomState>::new (line 143) ... ok
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::sub (line 1044) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::insert_times (line 557) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::remove_times (line 617) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet (line 90) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet (line 55) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::is_superset (line 505) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::difference (line 725) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::with_hasher (line 306) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::intersection (line 785) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::take (line 660) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::shrink_to_fit (line 388) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::distinct_elements (line 219) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::iter_with_multiplicity (line 432) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::iter (line 410) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::retain (line 681) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::reserve (line 372) ... ok
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::bitor (line 949) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::len (line 243) ... ok
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::bitxor (line 1014) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::is_subset (line 481) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::remove (line 587) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::symmetric_difference (line 757) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::union (line 813) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f58cb354e56e29031279b7f52de44d13f9819fb2f63ee7a2d1d570a5c4a0ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f58cb354e56e29031279b7f52de44d13f9819fb2f63ee7a2d1d570a5c4a0ba5", kill_on_drop: false }`
[INFO] [stdout] 7f58cb354e56e29031279b7f52de44d13f9819fb2f63ee7a2d1d570a5c4a0ba5