[INFO] crate rustdoc-stripper 0.1.9 is already in cache
[INFO] extracting crate rustdoc-stripper 0.1.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustdoc-stripper/0.1.9
[INFO] extracting crate rustdoc-stripper 0.1.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustdoc-stripper/0.1.9
[INFO] validating manifest of rustdoc-stripper-0.1.9 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustdoc-stripper-0.1.9 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rustdoc-stripper-0.1.9 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 63c01cda1078e60d57f2126cc257fd1bc47e3b57ccf64d0d96d6f09394d3bbc0
[INFO] running `"docker" "start" "-a" "63c01cda1078e60d57f2126cc257fd1bc47e3b57ccf64d0d96d6f09394d3bbc0"`
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `"docker" "inspect" "63c01cda1078e60d57f2126cc257fd1bc47e3b57ccf64d0d96d6f09394d3bbc0"`
[INFO] running `"docker" "rm" "-f" "63c01cda1078e60d57f2126cc257fd1bc47e3b57ccf64d0d96d6f09394d3bbc0"`
[INFO] [stdout] 63c01cda1078e60d57f2126cc257fd1bc47e3b57ccf64d0d96d6f09394d3bbc0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91ff930c532ad630037697f3af2da87146afa8f8447c78fccae0579ebba97507
[INFO] running `"docker" "start" "-a" "91ff930c532ad630037697f3af2da87146afa8f8447c78fccae0579ebba97507"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[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 7.18s
[INFO] running `"docker" "inspect" "91ff930c532ad630037697f3af2da87146afa8f8447c78fccae0579ebba97507"`
[INFO] running `"docker" "rm" "-f" "91ff930c532ad630037697f3af2da87146afa8f8447c78fccae0579ebba97507"`
[INFO] [stdout] 91ff930c532ad630037697f3af2da87146afa8f8447c78fccae0579ebba97507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7202a8ea8f9b42da8b299f872a58d2769c860394e12229477b2cab97e042df9e
[INFO] running `"docker" "start" "-a" "7202a8ea8f9b42da8b299f872a58d2769c860394e12229477b2cab97e042df9e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stripper_lib-c0ebed6f43baf33f
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustdoc_stripper-9e02cb308bd9db44
[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 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-e74a1e00563356ba
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test test2_regeneration ... ok
[INFO] [stdout] test test10_regeneration4 ... ok
[INFO] [stdout] test test10_regeneration3 ... ok
[INFO] [stdout] test test10_regeneration ... ok
[INFO] [stdout] test test11_regeneration ... ok
[INFO] [stdout] test test10_regeneration2 ... ok
[INFO] [stdout] test test3_strip ... ok
[INFO] [stdout] test test10_strip ... ok
[INFO] [stdout] test test4_strip ... ok
[INFO] [stdout] test test5_regeneration ... ok
[INFO] [stdout] test test5_strip ... ok
[INFO] [stdout] test test4_regeneration ... ok
[INFO] [stdout] test test11_strip ... ok
[INFO] [stdout] test test2_strip ... ok
[INFO] [stdout] test test3_regeneration ... ok
[INFO] [stdout] test test8_strip ... ok
[INFO] [stdout] test test8_regeneration ... ok
[INFO] [stdout] test test7_regeneration ... ok
[INFO] [stdout] test test6_regeneration ... ok
[INFO] [stdout] test test_regeneration ... ok
[INFO] [stdout] test test9_regeneration ... ok
[INFO] [stderr]    Doc-tests stripper_lib
[INFO] [stdout] test test9_strip ... ok
[INFO] [stdout] test test_strip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "7202a8ea8f9b42da8b299f872a58d2769c860394e12229477b2cab97e042df9e"`
[INFO] running `"docker" "rm" "-f" "7202a8ea8f9b42da8b299f872a58d2769c860394e12229477b2cab97e042df9e"`
[INFO] [stdout] 7202a8ea8f9b42da8b299f872a58d2769c860394e12229477b2cab97e042df9e