[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 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-2/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 226c1965d12b0d86bbf5db030fe69bd8c0ac9e1de1caabfed73521fc7d13141d
[INFO] running `"docker" "start" "-a" "226c1965d12b0d86bbf5db030fe69bd8c0ac9e1de1caabfed73521fc7d13141d"`
[INFO] [stderr]    Compiling semver v0.1.20
[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 error-chain v0.7.2
[INFO] [stderr]    Compiling toml v0.2.1
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/flock.rs:139:11
[INFO] [stderr]     |
[INFO] [stderr] 139 |     try: &Fn() -> io::Result<()>,
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/flock.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |     block: &Fn() -> io::Result<()>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.29s
[INFO] running `"docker" "inspect" "226c1965d12b0d86bbf5db030fe69bd8c0ac9e1de1caabfed73521fc7d13141d"`
[INFO] running `"docker" "rm" "-f" "226c1965d12b0d86bbf5db030fe69bd8c0ac9e1de1caabfed73521fc7d13141d"`
[INFO] [stdout] 226c1965d12b0d86bbf5db030fe69bd8c0ac9e1de1caabfed73521fc7d13141d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47122eba6095e1d1fe0bbc93e115ca04be5a6bec3e4dbaf9bdc24f3e8339ce9a
[INFO] running `"docker" "start" "-a" "47122eba6095e1d1fe0bbc93e115ca04be5a6bec3e4dbaf9bdc24f3e8339ce9a"`
[INFO] [stderr]    Compiling smallvec v0.6.10
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/flock.rs:139:11
[INFO] [stderr]     |
[INFO] [stderr] 139 |     try: &Fn() -> io::Result<()>,
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/flock.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |     block: &Fn() -> io::Result<()>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `"docker" "inspect" "47122eba6095e1d1fe0bbc93e115ca04be5a6bec3e4dbaf9bdc24f3e8339ce9a"`
[INFO] running `"docker" "rm" "-f" "47122eba6095e1d1fe0bbc93e115ca04be5a6bec3e4dbaf9bdc24f3e8339ce9a"`
[INFO] [stdout] 47122eba6095e1d1fe0bbc93e115ca04be5a6bec3e4dbaf9bdc24f3e8339ce9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9318a7b4d26a520462f006c793cae542edc953bc6095217f0dca757e94a9c346
[INFO] running `"docker" "start" "-a" "9318a7b4d26a520462f006c793cae542edc953bc6095217f0dca757e94a9c346"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xargo_lib-7f02031b06cea223
[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-03bcfde77e37afeb
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xbuild-a810c2f9b1f993f1
[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_xc-b439bec96297c816
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xcheck-d5885c5fc6ce6212
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xclippy-c1a480fd899167bb
[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-2e9c469f1c51c07a
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_xr-8bc0ee7a9eac5c9d
[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_xrun-abdef8a7bdc2452a
[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_xrustc-7b2e56cb25f67639
[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_xt-6bce5868ef0c4839
[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_xtest-ed8a7c37377419e9
[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" "9318a7b4d26a520462f006c793cae542edc953bc6095217f0dca757e94a9c346"`
[INFO] running `"docker" "rm" "-f" "9318a7b4d26a520462f006c793cae542edc953bc6095217f0dca757e94a9c346"`
[INFO] [stdout] 9318a7b4d26a520462f006c793cae542edc953bc6095217f0dca757e94a9c346