[INFO] updating cached repository allengeorge/thrift_rust_doc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/allengeorge/thrift_rust_doc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/allengeorge/thrift_rust_doc" "work/ex/beta-1.37-6/sources/1.36.0/gh/allengeorge/thrift_rust_doc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/allengeorge/thrift_rust_doc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/allengeorge/thrift_rust_doc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/allengeorge/thrift_rust_doc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/allengeorge/thrift_rust_doc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92b34e59fac3d0508a38a4f623b3d9f24c02f628
[INFO] sha for GitHub repo allengeorge/thrift_rust_doc: 92b34e59fac3d0508a38a4f623b3d9f24c02f628
[INFO] validating manifest of allengeorge/thrift_rust_doc 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 allengeorge/thrift_rust_doc 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 allengeorge/thrift_rust_doc
[INFO] removed path dependency thrift from allengeorge/thrift_rust_doc
[INFO] finished frobbing allengeorge/thrift_rust_doc
[INFO] frobbed toml for allengeorge/thrift_rust_doc written to work/ex/beta-1.37-6/sources/1.36.0/gh/allengeorge/thrift_rust_doc/Cargo.toml
[INFO] started frobbing allengeorge/thrift_rust_doc
[INFO] removed path dependency thrift from allengeorge/thrift_rust_doc
[INFO] finished frobbing allengeorge/thrift_rust_doc
[INFO] frobbed toml for allengeorge/thrift_rust_doc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/allengeorge/thrift_rust_doc/Cargo.toml
[INFO] crate allengeorge/thrift_rust_doc 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/allengeorge/thrift_rust_doc/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] 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 allengeorge/thrift_rust_doc 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/allengeorge/thrift_rust_doc:/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] 304ff01e6f12e11c54dcbe8f3ad4bdb10994fb636103ae08fc84ebc8fc290d0b
[INFO] running `"docker" "start" "-a" "304ff01e6f12e11c54dcbe8f3ad4bdb10994fb636103ae08fc84ebc8fc290d0b"`
[INFO] [stderr] warning: dependency (thrift) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling integer-encoding v1.0.7
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling ordered-float v0.3.0
[INFO] [stderr]    Compiling thrift v0.12.0
[INFO] [stderr]    Compiling thrift-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0053]: method `process` has an incompatible type for trait
[INFO] [stderr]    --> src/shared.rs:240:3
[INFO] [stderr]     |
[INFO] [stderr] 240 |   fn process(&mut self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(&shared::SharedServiceSyncProcessor<H>, &mut dyn thrift::protocol::TInputProtocol, &mut dyn thrift::protocol::TOutputProtocol) -> std::result::Result<(), thrift::Error>`
[INFO] [stderr]                found type `fn(&mut shared::SharedServiceSyncProcessor<H>, &mut dyn thrift::protocol::TInputProtocol, &mut dyn thrift::protocol::TOutputProtocol) -> std::result::Result<(), thrift::Error>`
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `process` has an incompatible type for trait
[INFO] [stderr]    --> src/tutorial.rs:670:3
[INFO] [stderr]     |
[INFO] [stderr] 670 |   fn process(&mut self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(&tutorial::CalculatorSyncProcessor<H>, &mut dyn thrift::protocol::TInputProtocol, &mut dyn thrift::protocol::TOutputProtocol) -> std::result::Result<(), thrift::Error>`
[INFO] [stderr]                found type `fn(&mut tutorial::CalculatorSyncProcessor<H>, &mut dyn thrift::protocol::TInputProtocol, &mut dyn thrift::protocol::TOutputProtocol) -> std::result::Result<(), thrift::Error>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0053`.
[INFO] [stderr] error: Could not compile `thrift-tutorial`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "304ff01e6f12e11c54dcbe8f3ad4bdb10994fb636103ae08fc84ebc8fc290d0b"`
[INFO] running `"docker" "rm" "-f" "304ff01e6f12e11c54dcbe8f3ad4bdb10994fb636103ae08fc84ebc8fc290d0b"`
[INFO] [stdout] 304ff01e6f12e11c54dcbe8f3ad4bdb10994fb636103ae08fc84ebc8fc290d0b