[INFO] updating cached repository MaikKlein/vulkan-xml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MaikKlein/vulkan-xml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MaikKlein/vulkan-xml" "work/ex/beta-1.37-6/sources/1.36.0/gh/MaikKlein/vulkan-xml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/MaikKlein/vulkan-xml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MaikKlein/vulkan-xml" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MaikKlein/vulkan-xml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MaikKlein/vulkan-xml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1415bd9ed59103f1adeb5a80215bb724f67a343a
[INFO] sha for GitHub repo MaikKlein/vulkan-xml: 1415bd9ed59103f1adeb5a80215bb724f67a343a
[INFO] validating manifest of MaikKlein/vulkan-xml 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 MaikKlein/vulkan-xml 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 MaikKlein/vulkan-xml
[INFO] finished frobbing MaikKlein/vulkan-xml
[INFO] frobbed toml for MaikKlein/vulkan-xml written to work/ex/beta-1.37-6/sources/1.36.0/gh/MaikKlein/vulkan-xml/Cargo.toml
[INFO] started frobbing MaikKlein/vulkan-xml
[INFO] finished frobbing MaikKlein/vulkan-xml
[INFO] frobbed toml for MaikKlein/vulkan-xml written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/MaikKlein/vulkan-xml/Cargo.toml
[INFO] crate MaikKlein/vulkan-xml 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing MaikKlein/vulkan-xml 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/gh/MaikKlein/vulkan-xml:/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] 3b3db38f24d50b2d9af1a923112361cb7c3f6b2a1b53e013aa8f86dd093fb8ec
[INFO] running `"docker" "start" "-a" "3b3db38f24d50b2d9af1a923112361cb7c3f6b2a1b53e013aa8f86dd093fb8ec"`
[INFO] [stderr]    Compiling serde v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.4
[INFO] [stderr]    Compiling serde-xml-rs v0.2.1
[INFO] [stderr]    Compiling vulkan-xml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     file.read_to_string(&mut xml);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.90s
[INFO] running `"docker" "inspect" "3b3db38f24d50b2d9af1a923112361cb7c3f6b2a1b53e013aa8f86dd093fb8ec"`
[INFO] running `"docker" "rm" "-f" "3b3db38f24d50b2d9af1a923112361cb7c3f6b2a1b53e013aa8f86dd093fb8ec"`
[INFO] [stdout] 3b3db38f24d50b2d9af1a923112361cb7c3f6b2a1b53e013aa8f86dd093fb8ec
[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/gh/MaikKlein/vulkan-xml:/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] 80a09af97e28dd6b40dde2035ca3537b115e59a5be8239dbfc460a51367f709f
[INFO] running `"docker" "start" "-a" "80a09af97e28dd6b40dde2035ca3537b115e59a5be8239dbfc460a51367f709f"`
[INFO] [stderr]    Compiling vulkan-xml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     file.read_to_string(&mut xml);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "80a09af97e28dd6b40dde2035ca3537b115e59a5be8239dbfc460a51367f709f"`
[INFO] running `"docker" "rm" "-f" "80a09af97e28dd6b40dde2035ca3537b115e59a5be8239dbfc460a51367f709f"`
[INFO] [stdout] 80a09af97e28dd6b40dde2035ca3537b115e59a5be8239dbfc460a51367f709f
[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/gh/MaikKlein/vulkan-xml:/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] d148f40edc6d10c339cc25422ae040c5c4e5f3e6f01ff30836bf88b9e96c4e0a
[INFO] running `"docker" "start" "-a" "d148f40edc6d10c339cc25422ae040c5c4e5f3e6f01ff30836bf88b9e96c4e0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vulkan_xml-e402c850e5ee8629
[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" "d148f40edc6d10c339cc25422ae040c5c4e5f3e6f01ff30836bf88b9e96c4e0a"`
[INFO] running `"docker" "rm" "-f" "d148f40edc6d10c339cc25422ae040c5c4e5f3e6f01ff30836bf88b9e96c4e0a"`
[INFO] [stdout] d148f40edc6d10c339cc25422ae040c5c4e5f3e6f01ff30836bf88b9e96c4e0a