[INFO] fetching crate mset 0.0.4...
[INFO] testing mset-0.0.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate mset 0.0.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mset 0.0.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mset 0.0.4
[INFO] finished tweaking crates.io crate mset 0.0.4
[INFO] tweaked toml for crates.io crate mset 0.0.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f46ab99b1bceaa1657ad2512e4f618f46e41173db0d5db67acbc46f1b3d6c14d
[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" "f46ab99b1bceaa1657ad2512e4f618f46e41173db0d5db67acbc46f1b3d6c14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f46ab99b1bceaa1657ad2512e4f618f46e41173db0d5db67acbc46f1b3d6c14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46ab99b1bceaa1657ad2512e4f618f46e41173db0d5db67acbc46f1b3d6c14d", kill_on_drop: false }`
[INFO] [stdout] f46ab99b1bceaa1657ad2512e4f618f46e41173db0d5db67acbc46f1b3d6c14d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be2eb1675980f0a0fb0a1b33b46500867e2cf1a38d98e1ae8f20d2a1b644b17
[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" "5be2eb1675980f0a0fb0a1b33b46500867e2cf1a38d98e1ae8f20d2a1b644b17", kill_on_drop: false }`
[INFO] [stderr]    Compiling mset v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "5be2eb1675980f0a0fb0a1b33b46500867e2cf1a38d98e1ae8f20d2a1b644b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be2eb1675980f0a0fb0a1b33b46500867e2cf1a38d98e1ae8f20d2a1b644b17", kill_on_drop: false }`
[INFO] [stdout] 5be2eb1675980f0a0fb0a1b33b46500867e2cf1a38d98e1ae8f20d2a1b644b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80cfc06777eb24f2246cbef03a49549c9d1b2322baa18178fa1c1ff3268e0ec6
[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" "80cfc06777eb24f2246cbef03a49549c9d1b2322baa18178fa1c1ff3268e0ec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling mset v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> tests/version-numbers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     version_sync::assert_markdown_deps_updated!("README.md");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this warning originates in the macro `version_sync::assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> tests/version-numbers.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     version_sync::assert_html_root_url_updated!("src/lib.rs");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this warning originates in the macro `version_sync::assert_html_root_url_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.62s
[INFO] running `Command { std: "docker" "inspect" "80cfc06777eb24f2246cbef03a49549c9d1b2322baa18178fa1c1ff3268e0ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80cfc06777eb24f2246cbef03a49549c9d1b2322baa18178fa1c1ff3268e0ec6", kill_on_drop: false }`
[INFO] [stdout] 80cfc06777eb24f2246cbef03a49549c9d1b2322baa18178fa1c1ff3268e0ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fd69e52eb3045f958642ab3c10406fd428f0d9f6d913071b92a0694ec589236
[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" "7fd69e52eb3045f958642ab3c10406fd428f0d9f6d913071b92a0694ec589236", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> tests/version-numbers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     version_sync::assert_markdown_deps_updated!("README.md");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: this warning originates in the macro `version_sync::assert_markdown_deps_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> tests/version-numbers.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     version_sync::assert_html_root_url_updated!("src/lib.rs");
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: this warning originates in the macro `version_sync::assert_html_root_url_updated` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mset-be4ad262b4f2dc0a)
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test_mset::test_drain_trivial ... ok
[INFO] [stdout] test test_mset::test_insert_and_retrieve_elements ... ok
[INFO] [stdout] test test_mset::test_disjoint ... ok
[INFO] [stdout] test test_mset::test_retain ... ok
[INFO] [stdout] test test_mset::test_show_trivial ... ok
[INFO] [stdout] test test_mset::test_eq ... ok
[INFO] [stdout] test test_mset::test_difference ... ok
[INFO] [stdout] test test_mset::test_retrieving_mset_values ... ok
[INFO] [stdout] test test_mset::test_move_iter ... ok
[INFO] [stdout] test test_mset::test_iterator_over_elements ... ok
[INFO] [stdout] test test_mset::test_show_nontrivial ... ok
[INFO] [stdout] test test_mset::test_mset_clear ... ok
[INFO] [stdout] test test_mset::test_drain_nontrivial ... ok
[INFO] [stdout] test test_mset::test_extend_ref ... ok
[INFO] [stdout] test test_mset::test_iterator_over_element_counts ... ok
[INFO] [stdout] test test_mset::test_intersection ... ok
[INFO] [stdout] test test_mset::test_union ... ok
[INFO] [stdout] test test_mset::test_zero_capacity ... ok
[INFO] [stdout] test test_mset::test_subset_and_superset ... ok
[INFO] [stdout] test test_mset::test_symmetric_difference ... 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] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-59162190357666d7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stderr]    Doc-tests mset
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::elements (line 219) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::capacity (line 182) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, RandomState>::with_capacity (line 164) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::difference (line 725) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, RandomState>::new (line 143) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::contains (line 838) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::element_counts (line 197) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet (line 55) ... ok
[INFO] [stdout] test src/lib.rs - &'_ MultiSet<T, S>::bitand (line 980) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet (line 114) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::clear (line 281) ... ok
[INFO] [stdout] test src/lib.rs - &'_ MultiSet<T, S>::bitxor (line 1013) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::drain (line 701) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet (line 90) ... ok
[INFO] [stdout] test src/lib.rs - &'_ MultiSet<T, S>::bitor (line 948) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::get (line 866) ... ok
[INFO] [stdout] test src/lib.rs - &'_ MultiSet<T, S>::sub (line 1043) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::get_element_multiplicity (line 888) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::reserve (line 372) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::insert_times (line 557) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::is_superset (line 505) ... 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>::hasher (line 348) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::is_disjoint (line 455) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::insert (line 535) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::is_subset (line 481) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::iter (line 410) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::is_empty (line 263) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::remove (line 587) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::intersection (line 785) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::remove_times (line 617) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::len (line 243) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::retain (line 681) ... 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>::union (line 813) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::take (line 660) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::with_hasher (line 306) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T, S>::symmetric_difference (line 757) ... 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> (line 910) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fd69e52eb3045f958642ab3c10406fd428f0d9f6d913071b92a0694ec589236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd69e52eb3045f958642ab3c10406fd428f0d9f6d913071b92a0694ec589236", kill_on_drop: false }`
[INFO] [stdout] 7fd69e52eb3045f958642ab3c10406fd428f0d9f6d913071b92a0694ec589236