[INFO] fetching crate lcov 0.6.0...
[INFO] testing lcov-0.6.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate lcov 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lcov 0.6.0 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 lcov 0.6.0
[INFO] finished tweaking crates.io crate lcov 0.6.0
[INFO] tweaked toml for crates.io crate lcov 0.6.0 written to /workspace/builds/worker-4/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-readme v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 355f0b331e2b844a97f7d3ca7edaa71ba7bff5cb498d32016de82d456aaecf2d
[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" "355f0b331e2b844a97f7d3ca7edaa71ba7bff5cb498d32016de82d456aaecf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "355f0b331e2b844a97f7d3ca7edaa71ba7bff5cb498d32016de82d456aaecf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355f0b331e2b844a97f7d3ca7edaa71ba7bff5cb498d32016de82d456aaecf2d", kill_on_drop: false }`
[INFO] [stdout] 355f0b331e2b844a97f7d3ca7edaa71ba7bff5cb498d32016de82d456aaecf2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9a419b56be4db0d9ae1d1bc83a77423287c3ab116efef1c9c8eea9f84eeb0d9
[INFO] running `Command { std: "docker" "start" "-a" "e9a419b56be4db0d9ae1d1bc83a77423287c3ab116efef1c9c8eea9f84eeb0d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling lcov v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "e9a419b56be4db0d9ae1d1bc83a77423287c3ab116efef1c9c8eea9f84eeb0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a419b56be4db0d9ae1d1bc83a77423287c3ab116efef1c9c8eea9f84eeb0d9", kill_on_drop: false }`
[INFO] [stdout] e9a419b56be4db0d9ae1d1bc83a77423287c3ab116efef1c9c8eea9f84eeb0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dd86a6ca32fdf3d986d96b0b170358d863f49774dfe7bc484b1bf2da588d0320
[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" "dd86a6ca32fdf3d986d96b0b170358d863f49774dfe7bc484b1bf2da588d0320", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling version-sync v0.9.2
[INFO] [stderr]    Compiling cargo-readme v3.2.0
[INFO] [stderr]    Compiling lcov v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "dd86a6ca32fdf3d986d96b0b170358d863f49774dfe7bc484b1bf2da588d0320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd86a6ca32fdf3d986d96b0b170358d863f49774dfe7bc484b1bf2da588d0320", kill_on_drop: false }`
[INFO] [stdout] dd86a6ca32fdf3d986d96b0b170358d863f49774dfe7bc484b1bf2da588d0320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fe106421aa8d547ffaa66d0b00347e9d05945500413e7fa0a8646cad866aa377
[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" "fe106421aa8d547ffaa66d0b00347e9d05945500413e7fa0a8646cad866aa377", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lcov-f5cd31358cd92b6d)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test filter::line_num::tests::join ... ok
[INFO] [stdout] test record::tests::function_data ... ok
[INFO] [stdout] test record::tests::line_data ... ok
[INFO] [stdout] test record::tests::lines_found_hit ... ok
[INFO] [stdout] test filter::line_num::tests::insert ... ok
[INFO] [stdout] test record::tests::function_name ... ok
[INFO] [stdout] test record::tests::functions_found_hit ... ok
[INFO] [stdout] test record::tests::branches_found_hit ... ok
[INFO] [stdout] test record::tests::branch_data ... ok
[INFO] [stdout] test record::tests::end_of_record ... ok
[INFO] [stdout] test record::tests::source_file ... ok
[INFO] [stdout] test record::tests::test_name ... ok
[INFO] [stderr]      Running tests/lcov.rs (/opt/rustwide/target/debug/deps/lcov-6e540ae253b78d9f)
[INFO] [stdout] test filter::line_num::tests::contains ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test is_identical_reader ... ok
[INFO] [stdout] test line_filter ... ok
[INFO] [stdout] test is_identical_parse ... ok
[INFO] [stdout] test is_identical_report ... ok
[INFO] [stdout] test merge_report ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-76ac85836a935d9b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/version_number.rs (/opt/rustwide/target/debug/deps/version_number-72f7d3e489be6b3a)
[INFO] [stdout] test test_readme_identical ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lcov
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test src/reader.rs - reader::Reader<BufReader<File>>::open_file (line 65) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::BranchesFound (line 134) ... ok
[INFO] [stdout] test src/filter/line_num.rs - filter::line_num::LineNum::new (line 63) ... ok
[INFO] [stdout] test src/filter/line_num.rs - filter::line_num::LineNum::insert (line 76) ... ok
[INFO] [stdout] test src/reader.rs - reader::Reader<B>::new (line 27) ... ok
[INFO] [stdout] test src/filter/line_num.rs - filter::line_num::LineNum::apply (line 94) ... ok
[INFO] [stdout] test src/filter/mod.rs - filter::FilterMap (line 13) ... ok
[INFO] [stdout] test src/filter/line_num.rs - filter::line_num::LineNum (line 20) ... ok
[INFO] [stdout] test src/filter/mod.rs - filter::FilterMap::filter_map (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::BranchData (line 113) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::EndOfRecord (line 202) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/reader.rs - reader::Error::ParseRecord (line 95) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::BranchesHit (line 146) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::FunctionData (line 71) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::kind (line 253) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::LineData (line 159) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::FunctionsHit (line 98) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::FunctionsFound (line 86) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::TestName (line 30) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::LinesFound (line 177) ... ok
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] test src/record/mod.rs - record::RecordKind::as_str (line 275) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::LinesHit (line 189) ... ok
[INFO] [stdout] test src/record/parse.rs - record::parse::ParseRecordError::FieldNotFound (line 43) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::FunctionName (line 56) ... ok
[INFO] [stdout] test src/record/mod.rs - record::Record::SourceFile (line 42) ... ok
[INFO] [stdout] test src/record/parse.rs - record::parse::ParseRecordError::UnknownRecord (line 82) ... ok
[INFO] [stdout] test src/report/mod.rs - report::Report (line 29) ... ok
[INFO] [stdout] test src/record/parse.rs - record::parse::ParseRecordError::ParseIntError (line 67) ... ok
[INFO] [stdout] test src/report/mod.rs - report::Report::from_reader (line 73) ... ok
[INFO] [stdout] test src/record/parse.rs - record::parse::ParseRecordError::TooManyFields (line 55) ... ok
[INFO] [stdout] test src/report/error.rs - report::error::MergeError::UnmatchedChecksum (line 115) ... ok
[INFO] [stdout] test src/report/mod.rs - report::Report::from_file (line 109) ... ok
[INFO] [stdout] test src/report/mod.rs - report::Report::merge (line 134) ... ok
[INFO] [stdout] test src/report/error.rs - report::error::ParseError::Read (line 13) ... ok
[INFO] [stdout] test src/report/mod.rs - report::Report::merge_lossy (line 152) ... ok
[INFO] [stdout] test src/report/error.rs - report::error::MergeError::UnmatchedFunctionLine (line 79) ... ok
[INFO] [stdout] test src/report/mod.rs - report::Report::into_records (line 170) ... ok
[INFO] [stdout] test src/report/mod.rs - report::Report::new (line 61) ... ok
[INFO] [stdout] test src/report/error.rs - report::error::ParseError::UnexpectedEof (line 53) ... ok
[INFO] [stdout] test src/report/error.rs - report::error::ParseError::UnexpectedRecord (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe106421aa8d547ffaa66d0b00347e9d05945500413e7fa0a8646cad866aa377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe106421aa8d547ffaa66d0b00347e9d05945500413e7fa0a8646cad866aa377", kill_on_drop: false }`
[INFO] [stdout] fe106421aa8d547ffaa66d0b00347e9d05945500413e7fa0a8646cad866aa377