[INFO] crate rss 1.6.1 is already in cache
[INFO] extracting crate rss 1.6.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rss/1.6.1
[INFO] extracting crate rss 1.6.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rss/1.6.1
[INFO] validating manifest of rss-1.6.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rss-1.6.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rss-1.6.1
[INFO] finished frobbing rss-1.6.1
[INFO] frobbed toml for rss-1.6.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rss/1.6.1/Cargo.toml
[INFO] started frobbing rss-1.6.1
[INFO] finished frobbing rss-1.6.1
[INFO] frobbed toml for rss-1.6.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rss/1.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rss-1.6.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rss/1.6.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 8a817cfbe380065b97ad6c817f276c8556055fb35d2c0691ba2b17d4f3611e2b
[INFO] running `"docker" "start" "-a" "8a817cfbe380065b97ad6c817f276c8556055fb35d2c0691ba2b17d4f3611e2b"`
[INFO] [stderr]    Compiling derive_builder v0.7.0
[INFO] [stderr]    Compiling darling_core v0.8.3
[INFO] [stderr]    Compiling quick-xml v0.13.2
[INFO] [stderr]    Compiling darling_macro v0.8.3
[INFO] [stderr]    Compiling darling v0.8.3
[INFO] [stderr]    Compiling derive_builder_core v0.4.0
[INFO] [stderr]    Compiling rss v1.6.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Error::Xml(ref err) => StdError::cause(err),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.92s
[INFO] running `"docker" "inspect" "8a817cfbe380065b97ad6c817f276c8556055fb35d2c0691ba2b17d4f3611e2b"`
[INFO] running `"docker" "rm" "-f" "8a817cfbe380065b97ad6c817f276c8556055fb35d2c0691ba2b17d4f3611e2b"`
[INFO] [stdout] 8a817cfbe380065b97ad6c817f276c8556055fb35d2c0691ba2b17d4f3611e2b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rss/1.6.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04ba1a1747ecd19f715a46c170b468fec3b7be776426e927bf8df3e9073592d4
[INFO] running `"docker" "start" "-a" "04ba1a1747ecd19f715a46c170b468fec3b7be776426e927bf8df3e9073592d4"`
[INFO] [stderr]    Compiling rss v1.6.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Error::Xml(ref err) => StdError::cause(err),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "04ba1a1747ecd19f715a46c170b468fec3b7be776426e927bf8df3e9073592d4"`
[INFO] running `"docker" "rm" "-f" "04ba1a1747ecd19f715a46c170b468fec3b7be776426e927bf8df3e9073592d4"`
[INFO] [stdout] 04ba1a1747ecd19f715a46c170b468fec3b7be776426e927bf8df3e9073592d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rss/1.6.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 60669d3670a8c1f7080a3dae90a10ec19294f52a8c3381854530b5915b743a5f
[INFO] running `"docker" "start" "-a" "60669d3670a8c1f7080a3dae90a10ec19294f52a8c3381854530b5915b743a5f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rss-633159028f57294b
[INFO] [stderr]    Doc-tests rss
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 181 tests
[INFO] [stderr] error: process didn't exit successfully: `rustdoc --test /opt/crater/workdir/src/lib.rs --crate-name rss -L dependency=/opt/crater/target/debug/deps -L native=/opt/crater/target/debug/build/backtrace-sys-201a760d9f5d9cb3/out -L dependency=/opt/crater/target/debug/deps --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-387669f672f03022.so --extern failure=/opt/crater/target/debug/deps/libfailure-3650a5b5adc2d3bb.rlib --extern quick_xml=/opt/crater/target/debug/deps/libquick_xml-c55f552e2f8e8341.rlib --extern rss=/opt/crater/target/debug/deps/librss-3a5dbbc2c094ee4d.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "60669d3670a8c1f7080a3dae90a10ec19294f52a8c3381854530b5915b743a5f"`
[INFO] running `"docker" "rm" "-f" "60669d3670a8c1f7080a3dae90a10ec19294f52a8c3381854530b5915b743a5f"`
[INFO] [stdout] 60669d3670a8c1f7080a3dae90a10ec19294f52a8c3381854530b5915b743a5f