[INFO] fetching crate rustdoc-stripper 0.1.9...
[INFO] extracting crate rustdoc-stripper 0.1.9 into work/ex/beta-1.37-6/sources/1.36.0/reg/rustdoc-stripper/0.1.9
[INFO] extracting crate rustdoc-stripper 0.1.9 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustdoc-stripper/0.1.9
[INFO] validating manifest of rustdoc-stripper-0.1.9 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustdoc-stripper-0.1.9 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustdoc-stripper-0.1.9
[INFO] finished frobbing rustdoc-stripper-0.1.9
[INFO] frobbed toml for rustdoc-stripper-0.1.9 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rustdoc-stripper/0.1.9/Cargo.toml
[INFO] started frobbing rustdoc-stripper-0.1.9
[INFO] finished frobbing rustdoc-stripper-0.1.9
[INFO] frobbed toml for rustdoc-stripper-0.1.9 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustdoc-stripper/0.1.9/Cargo.toml
[INFO] crate rustdoc-stripper-0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rustdoc-stripper-0.1.9 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustdoc-stripper/0.1.9:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 81fd70696674a72f9384e0cc241b160611a60981df48c9165631c497d3302326
[INFO] running `"docker" "start" "-a" "81fd70696674a72f9384e0cc241b160611a60981df48c9165631c497d3302326"`
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `"docker" "inspect" "81fd70696674a72f9384e0cc241b160611a60981df48c9165631c497d3302326"`
[INFO] running `"docker" "rm" "-f" "81fd70696674a72f9384e0cc241b160611a60981df48c9165631c497d3302326"`
[INFO] [stdout] 81fd70696674a72f9384e0cc241b160611a60981df48c9165631c497d3302326
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustdoc-stripper/0.1.9:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 309495946fc7d95e59fa8ccefe6fdca1797ff92e82777367d5be3acfb7f0dc4b
[INFO] running `"docker" "start" "-a" "309495946fc7d95e59fa8ccefe6fdca1797ff92e82777367d5be3acfb7f0dc4b"`
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "309495946fc7d95e59fa8ccefe6fdca1797ff92e82777367d5be3acfb7f0dc4b"`
[INFO] running `"docker" "rm" "-f" "309495946fc7d95e59fa8ccefe6fdca1797ff92e82777367d5be3acfb7f0dc4b"`
[INFO] [stdout] 309495946fc7d95e59fa8ccefe6fdca1797ff92e82777367d5be3acfb7f0dc4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustdoc-stripper/0.1.9:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7ebe014c10797ccb77241b4a4aa5193a390f8b6bf70da2f068960d5dd0bb7b1c
[INFO] running `"docker" "start" "-a" "7ebe014c10797ccb77241b4a4aa5193a390f8b6bf70da2f068960d5dd0bb7b1c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stripper_lib-d55784b35f9788ce
[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] [stderr]      Running /opt/crater/target/debug/deps/rustdoc_stripper-682939c3bf898567
[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] [stderr]      Running /opt/crater/target/debug/deps/tests-13e4c697cd19a7d7
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test test10_regeneration4 ... ok
[INFO] [stdout] test test10_regeneration2 ... ok
[INFO] [stdout] test test10_regeneration3 ... ok
[INFO] [stdout] test test11_regeneration ... ok
[INFO] [stdout] test test10_strip ... ok
[INFO] [stdout] test test4_regeneration ... ok
[INFO] [stdout] test test3_strip ... ok
[INFO] [stdout] test test4_strip ... ok
[INFO] [stdout] test test10_regeneration ... ok
[INFO] [stdout] test test5_regeneration ... ok
[INFO] [stdout] test test3_regeneration ... ok
[INFO] [stdout] test test2_strip ... ok
[INFO] [stdout] test test2_regeneration ... ok
[INFO] [stdout] test test5_strip ... ok
[INFO] [stdout] test test11_strip ... ok
[INFO] [stdout] test test6_regeneration ... ok
[INFO] [stdout] test test9_regeneration ... ok
[INFO] [stdout] test test_regeneration ... ok
[INFO] [stdout] test test_strip ... ok
[INFO] [stdout] test test9_strip ... ok
[INFO] [stdout] test test7_regeneration ... ok
[INFO] [stdout] test test8_regeneration ... ok
[INFO] [stdout] test test8_strip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stripper_lib
[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] running `"docker" "inspect" "7ebe014c10797ccb77241b4a4aa5193a390f8b6bf70da2f068960d5dd0bb7b1c"`
[INFO] running `"docker" "rm" "-f" "7ebe014c10797ccb77241b4a4aa5193a390f8b6bf70da2f068960d5dd0bb7b1c"`
[INFO] [stdout] 7ebe014c10797ccb77241b4a4aa5193a390f8b6bf70da2f068960d5dd0bb7b1c