[INFO] fetching crate cargo-xbuild 0.5.15...
[INFO] extracting crate cargo-xbuild 0.5.15 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-xbuild/0.5.15
[INFO] extracting crate cargo-xbuild 0.5.15 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-xbuild/0.5.15
[INFO] validating manifest of cargo-xbuild-0.5.15 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 cargo-xbuild-0.5.15 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 cargo-xbuild-0.5.15
[INFO] finished frobbing cargo-xbuild-0.5.15
[INFO] frobbed toml for cargo-xbuild-0.5.15 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-xbuild/0.5.15/Cargo.toml
[INFO] started frobbing cargo-xbuild-0.5.15
[INFO] finished frobbing cargo-xbuild-0.5.15
[INFO] frobbed toml for cargo-xbuild-0.5.15 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-xbuild/0.5.15/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cargo-xbuild-0.5.15 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-xbuild/0.5.15:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] dd8cd35f41c59977a59f8e1a4423ce21b77e031464acfa695fbe8cd90f1741c7
[INFO] running `"docker" "start" "-a" "dd8cd35f41c59977a59f8e1a4423ce21b77e031464acfa695fbe8cd90f1741c7"`
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling cargo-xbuild v0.5.15 (/opt/crater/workdir)
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling cargo_metadata v0.5.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.54s
[INFO] running `"docker" "inspect" "dd8cd35f41c59977a59f8e1a4423ce21b77e031464acfa695fbe8cd90f1741c7"`
[INFO] running `"docker" "rm" "-f" "dd8cd35f41c59977a59f8e1a4423ce21b77e031464acfa695fbe8cd90f1741c7"`
[INFO] [stdout] dd8cd35f41c59977a59f8e1a4423ce21b77e031464acfa695fbe8cd90f1741c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-xbuild/0.5.15:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2dfd089e41c5d0cbccf337db7e3609d8b9310a495e04681287ef94347e198f91
[INFO] running `"docker" "start" "-a" "2dfd089e41c5d0cbccf337db7e3609d8b9310a495e04681287ef94347e198f91"`
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.3.8
[INFO] [stderr]    Compiling cargo-xbuild v0.5.15 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `"docker" "inspect" "2dfd089e41c5d0cbccf337db7e3609d8b9310a495e04681287ef94347e198f91"`
[INFO] running `"docker" "rm" "-f" "2dfd089e41c5d0cbccf337db7e3609d8b9310a495e04681287ef94347e198f91"`
[INFO] [stdout] 2dfd089e41c5d0cbccf337db7e3609d8b9310a495e04681287ef94347e198f91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-xbuild/0.5.15:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 84b98e1eec835d90e3373fb222003f268210fc5443b7f0e232702f6f1c8e6d96
[INFO] running `"docker" "start" "-a" "84b98e1eec835d90e3373fb222003f268210fc5443b7f0e232702f6f1c8e6d96"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xargo_lib-4eac4f6d4c2eab5a
[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] [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/cargo_xb-2a179c1a3d70478d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xbuild-fc79f3560061cffc
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xc-69f33132aea9f081
[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/cargo_xcheck-bc9d4885dac65728
[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/cargo_xclippy-4bbf40a3049d7e54
[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/cargo_xdoc-4a260fa0f72487a2
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xr-841e02f67ec76aa2
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/cargo_xrun-05a83a7625706755
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xrustc-6c9c6fa2b4696f3b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xt-b8ef8d874ab13a30
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xtest-06bfb2ba7f9df8ec
[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]    Doc-tests xargo_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" "84b98e1eec835d90e3373fb222003f268210fc5443b7f0e232702f6f1c8e6d96"`
[INFO] running `"docker" "rm" "-f" "84b98e1eec835d90e3373fb222003f268210fc5443b7f0e232702f6f1c8e6d96"`
[INFO] [stdout] 84b98e1eec835d90e3373fb222003f268210fc5443b7f0e232702f6f1c8e6d96