[INFO] fetching crate mset 0.1.0...
[INFO] testing mset-0.1.0 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] extracting crate mset 0.1.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate mset 0.1.0 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-sync v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a404f2d9ac4817b050fbcd23a39509ba7933e2f81506e3a48ddb0051aab4134e
[INFO] running `Command { std: "docker" "start" "-a" "a404f2d9ac4817b050fbcd23a39509ba7933e2f81506e3a48ddb0051aab4134e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a404f2d9ac4817b050fbcd23a39509ba7933e2f81506e3a48ddb0051aab4134e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a404f2d9ac4817b050fbcd23a39509ba7933e2f81506e3a48ddb0051aab4134e", kill_on_drop: false }`
[INFO] [stdout] a404f2d9ac4817b050fbcd23a39509ba7933e2f81506e3a48ddb0051aab4134e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d43189b81b5e013e0d67f6944f3bf7fee941c010ec826d5d3e02f57254c48e6
[INFO] running `Command { std: "docker" "start" "-a" "9d43189b81b5e013e0d67f6944f3bf7fee941c010ec826d5d3e02f57254c48e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.60s
[INFO] running `Command { std: "docker" "inspect" "9d43189b81b5e013e0d67f6944f3bf7fee941c010ec826d5d3e02f57254c48e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d43189b81b5e013e0d67f6944f3bf7fee941c010ec826d5d3e02f57254c48e6", kill_on_drop: false }`
[INFO] [stdout] 9d43189b81b5e013e0d67f6944f3bf7fee941c010ec826d5d3e02f57254c48e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9125c20fc3ecca417477ded8cb5b0c06412dfe67b483d73c46857be4b4d6c723
[INFO] running `Command { std: "docker" "start" "-a" "9125c20fc3ecca417477ded8cb5b0c06412dfe67b483d73c46857be4b4d6c723", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling toml v0.5.9
[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 12.30s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mset-4cfeabc33e47630e)
[INFO] [stderr]   Executable tests/test-lib.rs (/opt/rustwide/target/debug/deps/test_lib-78b199fcb386fa52)
[INFO] [stderr]   Executable tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-80a40eb8dc97144a)
[INFO] running `Command { std: "docker" "inspect" "9125c20fc3ecca417477ded8cb5b0c06412dfe67b483d73c46857be4b4d6c723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9125c20fc3ecca417477ded8cb5b0c06412dfe67b483d73c46857be4b4d6c723", kill_on_drop: false }`
[INFO] [stdout] 9125c20fc3ecca417477ded8cb5b0c06412dfe67b483d73c46857be4b4d6c723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ee264812f17af534ca6542248f744ad57ed5adceac532df6d7e7b053868e776
[INFO] running `Command { std: "docker" "start" "-a" "6ee264812f17af534ca6542248f744ad57ed5adceac532df6d7e7b053868e776", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mset-4cfeabc33e47630e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test-lib.rs (/opt/rustwide/target/debug/deps/test_lib-78b199fcb386fa52)
[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_eq ... ok
[INFO] [stdout] test test_extend_ref ... ok
[INFO] [stdout] test test_intersection ... ok
[INFO] [stdout] test test_iterator_over_element_counts ... ok
[INFO] [stdout] test test_insert_and_retrieve_elements ... ok
[INFO] [stdout] test test_mset_clear ... ok
[INFO] [stdout] test test_iterator_over_elements ... ok
[INFO] [stdout] test test_move_iter ... ok
[INFO] [stdout] test test_retain ... ok
[INFO] [stdout] test test_drain_nontrivial ... ok
[INFO] [stdout] test test_retrieving_mset_values ... ok
[INFO] [stdout] test test_show_nontrivial ... ok
[INFO] [stdout] test test_show_trivial ... ok
[INFO] [stdout] test test_subset_and_superset ... ok
[INFO] [stdout] test test_symmetric_difference ... ok
[INFO] [stdout] test test_zero_capacity ... ok
[INFO] [stdout] test test_union ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-80a40eb8dc97144a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[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 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mset
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test src/lib.rs - MultiSet<T,RandomState>::with_capacity (line 164) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::capacity (line 182) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::hasher (line 348) ... ok
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::bitand (line 981) ... FAILED
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::sub (line 1044) ... FAILED
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::bitxor (line 1014) ... FAILED
[INFO] [stdout] test src/lib.rs - &'_MultiSet<T,S>::bitor (line 949) ... FAILED
[INFO] [stdout] test src/lib.rs - MultiSet (line 90) ... FAILED
[INFO] [stdout] test src/lib.rs - MultiSet<T,RandomState>::new (line 143) ... ok
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::symmetric_difference (line 757) ... FAILED
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::take (line 660) ... FAILED
[INFO] [stdout] test src/lib.rs - MultiSet<T,S>::difference (line 725) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name mset --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern mset=/opt/rustwide/target/debug/deps/libmset-63de1277cbce87cb.rlib --extern version_sync=/opt/rustwide/target/debug/deps/libversion_sync-af57bf843488d511.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6ee264812f17af534ca6542248f744ad57ed5adceac532df6d7e7b053868e776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee264812f17af534ca6542248f744ad57ed5adceac532df6d7e7b053868e776", kill_on_drop: false }`
[INFO] [stdout] 6ee264812f17af534ca6542248f744ad57ed5adceac532df6d7e7b053868e776