[INFO] updating cached repository Kintaro/wtftw-contrib
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kintaro/wtftw-contrib
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kintaro/wtftw-contrib" "work/ex/beta-1.37-6/sources/1.36.0/gh/Kintaro/wtftw-contrib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Kintaro/wtftw-contrib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kintaro/wtftw-contrib" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Kintaro/wtftw-contrib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Kintaro/wtftw-contrib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dcf8d8f76503ce69da2ba2685aa8a85a7e5da9f7
[INFO] sha for GitHub repo Kintaro/wtftw-contrib: dcf8d8f76503ce69da2ba2685aa8a85a7e5da9f7
[INFO] validating manifest of Kintaro/wtftw-contrib 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 Kintaro/wtftw-contrib 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 Kintaro/wtftw-contrib
[INFO] finished frobbing Kintaro/wtftw-contrib
[INFO] frobbed toml for Kintaro/wtftw-contrib written to work/ex/beta-1.37-6/sources/1.36.0/gh/Kintaro/wtftw-contrib/Cargo.toml
[INFO] started frobbing Kintaro/wtftw-contrib
[INFO] finished frobbing Kintaro/wtftw-contrib
[INFO] frobbed toml for Kintaro/wtftw-contrib written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Kintaro/wtftw-contrib/Cargo.toml
[INFO] crate Kintaro/wtftw-contrib 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Kintaro/wtftw-contrib/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Updating git repository `https://github.com/Kintaro/wtftw.git`
[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]     Updating git repository `https://github.com/Kintaro/wtftw.git`
[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 Kintaro/wtftw-contrib 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Kintaro/wtftw-contrib:/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] 30827fcc3006a601ce9c1f2d3317b4df91a89434c161324574228f17cb8c0d50
[INFO] running `"docker" "start" "-a" "30827fcc3006a601ce9c1f2d3317b4df91a89434c161324574228f17cb8c0d50"`
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling dylib v0.0.3
[INFO] [stderr]    Compiling zombie v0.0.4
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling wtftw_core v0.3.2 (https://github.com/Kintaro/wtftw.git#01071ded)
[INFO] [stderr]    Compiling simplelog v0.6.0
[INFO] [stderr]    Compiling wtftw_xlib v0.4.0 (https://github.com/Kintaro/wtftw.git#01071ded)
[INFO] [stderr]    Compiling wtftw v0.4.4 (https://github.com/Kintaro/wtftw.git#01071ded)
[INFO] [stderr]    Compiling wtftw_contrib v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...",
[INFO] [stderr]                                                /*opt*/ cfg = "...")]`
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[link]
[INFO] [stderr]   | ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(ill_formed_attribute_input)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `layout::binary_space_partition::Zipper` in public interface (error E0446)
[INFO] [stderr]    --> src/layout/binary_space_partition.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 | /     pub fn do_to_nth<F>(&self, n: usize, f: F) -> BinarySpacePartition where F: Fn(Zipper) -> Option<Zipper> {
[INFO] [stderr] 408 | |         BinarySpacePartition::from_zipper(self.make_zipper().and_then(|x| x.go_to_nth_leaf(n)).and_then(f))
[INFO] [stderr] 409 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(private_in_public)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `layout::binary_space_partition::Zipper` in public interface (error E0446)
[INFO] [stderr]    --> src/layout/binary_space_partition.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 | /     pub fn do_to_nth<F>(&self, n: usize, f: F) -> BinarySpacePartition where F: Fn(Zipper) -> Option<Zipper> {
[INFO] [stderr] 408 | |         BinarySpacePartition::from_zipper(self.make_zipper().and_then(|x| x.go_to_nth_leaf(n)).and_then(f))
[INFO] [stderr] 409 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.68s
[INFO] running `"docker" "inspect" "30827fcc3006a601ce9c1f2d3317b4df91a89434c161324574228f17cb8c0d50"`
[INFO] running `"docker" "rm" "-f" "30827fcc3006a601ce9c1f2d3317b4df91a89434c161324574228f17cb8c0d50"`
[INFO] [stdout] 30827fcc3006a601ce9c1f2d3317b4df91a89434c161324574228f17cb8c0d50
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Kintaro/wtftw-contrib:/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] cc02081df9aa4eab891617c7d17ce843adf8303549ca711d04c4cdf2db14fc31
[INFO] running `"docker" "start" "-a" "cc02081df9aa4eab891617c7d17ce843adf8303549ca711d04c4cdf2db14fc31"`
[INFO] [stderr]    Compiling wtftw_contrib v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...",
[INFO] [stderr]                                                /*opt*/ cfg = "...")]`
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[link]
[INFO] [stderr]   | ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(ill_formed_attribute_input)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `layout::binary_space_partition::Zipper` in public interface (error E0446)
[INFO] [stderr]    --> src/layout/binary_space_partition.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 | /     pub fn do_to_nth<F>(&self, n: usize, f: F) -> BinarySpacePartition where F: Fn(Zipper) -> Option<Zipper> {
[INFO] [stderr] 408 | |         BinarySpacePartition::from_zipper(self.make_zipper().and_then(|x| x.go_to_nth_leaf(n)).and_then(f))
[INFO] [stderr] 409 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(private_in_public)] on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `layout::binary_space_partition::Zipper` in public interface (error E0446)
[INFO] [stderr]    --> src/layout/binary_space_partition.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 | /     pub fn do_to_nth<F>(&self, n: usize, f: F) -> BinarySpacePartition where F: Fn(Zipper) -> Option<Zipper> {
[INFO] [stderr] 408 | |         BinarySpacePartition::from_zipper(self.make_zipper().and_then(|x| x.go_to_nth_leaf(n)).and_then(f))
[INFO] [stderr] 409 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "cc02081df9aa4eab891617c7d17ce843adf8303549ca711d04c4cdf2db14fc31"`
[INFO] running `"docker" "rm" "-f" "cc02081df9aa4eab891617c7d17ce843adf8303549ca711d04c4cdf2db14fc31"`
[INFO] [stdout] cc02081df9aa4eab891617c7d17ce843adf8303549ca711d04c4cdf2db14fc31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Kintaro/wtftw-contrib:/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] eb81c0c5f690f4c7bae743172a4a2b74ced81f257080c95695a008b45bc9b85d
[INFO] running `"docker" "start" "-a" "eb81c0c5f690f4c7bae743172a4a2b74ced81f257080c95695a008b45bc9b85d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wtftw_contrib-c99dec2a631e910c
[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 wtftw_contrib
[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" "eb81c0c5f690f4c7bae743172a4a2b74ced81f257080c95695a008b45bc9b85d"`
[INFO] running `"docker" "rm" "-f" "eb81c0c5f690f4c7bae743172a4a2b74ced81f257080c95695a008b45bc9b85d"`
[INFO] [stdout] eb81c0c5f690f4c7bae743172a4a2b74ced81f257080c95695a008b45bc9b85d