[INFO] fetching crate lcov 0.6.0...
[INFO] testing lcov-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lcov 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lcov 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] a320796b738cfee446bcccb56a2d3dd76c39bd6c84f9718c79193ac0eb036b06
[INFO] running `Command { std: "docker" "start" "-a" "a320796b738cfee446bcccb56a2d3dd76c39bd6c84f9718c79193ac0eb036b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a320796b738cfee446bcccb56a2d3dd76c39bd6c84f9718c79193ac0eb036b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a320796b738cfee446bcccb56a2d3dd76c39bd6c84f9718c79193ac0eb036b06", kill_on_drop: false }`
[INFO] [stdout] a320796b738cfee446bcccb56a2d3dd76c39bd6c84f9718c79193ac0eb036b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bed173098dd3d6a7094ecc92711b813096fa597441cce299cab86082e858f00
[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" "9bed173098dd3d6a7094ecc92711b813096fa597441cce299cab86082e858f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling lcov v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.40s
[INFO] running `Command { std: "docker" "inspect" "9bed173098dd3d6a7094ecc92711b813096fa597441cce299cab86082e858f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bed173098dd3d6a7094ecc92711b813096fa597441cce299cab86082e858f00", kill_on_drop: false }`
[INFO] [stdout] 9bed173098dd3d6a7094ecc92711b813096fa597441cce299cab86082e858f00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fbc16fe7b9910932e73c276ce9aaa99fdebaefa79f21661e6d1fcfcfe2dbed8
[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" "2fbc16fe7b9910932e73c276ce9aaa99fdebaefa79f21661e6d1fcfcfe2dbed8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling version-sync v0.9.1
[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 14.08s
[INFO] running `Command { std: "docker" "inspect" "2fbc16fe7b9910932e73c276ce9aaa99fdebaefa79f21661e6d1fcfcfe2dbed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc16fe7b9910932e73c276ce9aaa99fdebaefa79f21661e6d1fcfcfe2dbed8", kill_on_drop: false }`
[INFO] [stdout] 2fbc16fe7b9910932e73c276ce9aaa99fdebaefa79f21661e6d1fcfcfe2dbed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d630f1517e4ed0c05606888b3fac9202f55295694f22c8c3e7c1423f2a616b5
[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" "2d630f1517e4ed0c05606888b3fac9202f55295694f22c8c3e7c1423f2a616b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lcov-102615541a7b8b65
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test record::tests::branch_data ... ok
[INFO] [stdout] test record::tests::branches_found_hit ... ok
[INFO] [stdout] test record::tests::function_name ... ok
[INFO] [stdout] test record::tests::function_data ... ok
[INFO] [stdout] test record::tests::line_data ... ok
[INFO] [stdout] test record::tests::functions_found_hit ... ok
[INFO] [stdout] test record::tests::source_file ... ok
[INFO] [stdout] test record::tests::test_name ... ok
[INFO] [stdout] test filter::line_num::tests::join ... ok
[INFO] [stdout] test filter::line_num::tests::insert ... ok
[INFO] [stdout] test record::tests::lines_found_hit ... ok
[INFO] [stdout] test record::tests::end_of_record ... ok
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lcov-80eb409b3eac242f
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test is_identical_reader ... ok
[INFO] [stdout] test is_identical_parse ... ok
[INFO] [stdout] test line_filter ... 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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/readme-72d8410ca6ad7ab7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_number-f3f5528950bd04e7
[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 lcov
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[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 --test /opt/rustwide/workdir/src/lib.rs --crate-name lcov -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cargo_readme=/opt/rustwide/target/debug/deps/libcargo_readme-363ff9717b40e4ef.rlib --extern glob=/opt/rustwide/target/debug/deps/libglob-35a1b8661089f616.rlib --extern lcov=/opt/rustwide/target/debug/deps/liblcov-d8cc3aa82d997be3.rlib --extern matches=/opt/rustwide/target/debug/deps/libmatches-5499bb0a916b29b9.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-7162789802c5b555.rlib --extern version_sync=/opt/rustwide/target/debug/deps/libversion_sync-33a871cdd83bad60.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2d630f1517e4ed0c05606888b3fac9202f55295694f22c8c3e7c1423f2a616b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d630f1517e4ed0c05606888b3fac9202f55295694f22c8c3e7c1423f2a616b5", kill_on_drop: false }`
[INFO] [stdout] 2d630f1517e4ed0c05606888b3fac9202f55295694f22c8c3e7c1423f2a616b5