[INFO] crate mbedtls-sys-auto 2.16.0 is already in cache
[INFO] extracting crate mbedtls-sys-auto 2.16.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mbedtls-sys-auto/2.16.0
[INFO] extracting crate mbedtls-sys-auto 2.16.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mbedtls-sys-auto/2.16.0
[INFO] validating manifest of mbedtls-sys-auto-2.16.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mbedtls-sys-auto-2.16.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mbedtls-sys-auto-2.16.0
[INFO] finished frobbing mbedtls-sys-auto-2.16.0
[INFO] frobbed toml for mbedtls-sys-auto-2.16.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mbedtls-sys-auto/2.16.0/Cargo.toml
[INFO] started frobbing mbedtls-sys-auto-2.16.0
[INFO] finished frobbing mbedtls-sys-auto-2.16.0
[INFO] frobbed toml for mbedtls-sys-auto-2.16.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mbedtls-sys-auto/2.16.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mbedtls-sys-auto-2.16.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mbedtls-sys-auto/2.16.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 850ed7310ef5ae0f9e5ee19a88310b59b6d044e5c04fafb8dc62e431ddf52320
[INFO] running `"docker" "start" "-a" "850ed7310ef5ae0f9e5ee19a88310b59b6d044e5c04fafb8dc62e431ddf52320"`
[INFO] [stderr]    Compiling syntex_pos v0.38.0
[INFO] [stderr]    Compiling clang-sys v0.11.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling syntex_errors v0.38.0
[INFO] [stderr]    Compiling syntex_syntax v0.38.0
[INFO] [stderr] warning[E0502]: cannot borrow `cx.parse_sess.span_diagnostic` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.38.0/src/ext/expand.rs:1061:25
[INFO] [stderr]      |
[INFO] [stderr] 1051 |         let mut expander = MacroExpander::new(&mut cx);
[INFO] [stderr]      |                                               ------- mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 1061 |         let err_count = cx.parse_sess.span_diagnostic.err_count();
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] 1062 |         let mut ret = expander.fold_crate(c);
[INFO] [stderr]      |                       -------- mutable borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling bindgen v0.19.1
[INFO] [stderr]    Compiling mbedtls-sys-auto v2.16.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> build/headers.rs:104:33
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub fn enabled_ordered() -> Box<Iterator<Item = &'static str>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'static str>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "850ed7310ef5ae0f9e5ee19a88310b59b6d044e5c04fafb8dc62e431ddf52320"`
[INFO] running `"docker" "rm" "-f" "850ed7310ef5ae0f9e5ee19a88310b59b6d044e5c04fafb8dc62e431ddf52320"`
[INFO] [stdout] 850ed7310ef5ae0f9e5ee19a88310b59b6d044e5c04fafb8dc62e431ddf52320
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mbedtls-sys-auto/2.16.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 260fbc543e1adc6bd84d53f4386a15ef3f575d87eef92d1916d00a5ed0a27200
[INFO] running `"docker" "start" "-a" "260fbc543e1adc6bd84d53f4386a15ef3f575d87eef92d1916d00a5ed0a27200"`
[INFO] [stderr]    Compiling mbedtls-sys-auto v2.16.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "260fbc543e1adc6bd84d53f4386a15ef3f575d87eef92d1916d00a5ed0a27200"`
[INFO] running `"docker" "rm" "-f" "260fbc543e1adc6bd84d53f4386a15ef3f575d87eef92d1916d00a5ed0a27200"`
[INFO] [stdout] 260fbc543e1adc6bd84d53f4386a15ef3f575d87eef92d1916d00a5ed0a27200
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mbedtls-sys-auto/2.16.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2ab390ea92e06a69f2f59ade9634ce2351ce9140ffc51999a1b9cca4bbed1b54
[INFO] running `"docker" "start" "-a" "2ab390ea92e06a69f2f59ade9634ce2351ce9140ffc51999a1b9cca4bbed1b54"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mbedtls_sys-d473b9ddab9e5ba8
[INFO] [stderr]    Doc-tests mbedtls_sys
[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] running `"docker" "inspect" "2ab390ea92e06a69f2f59ade9634ce2351ce9140ffc51999a1b9cca4bbed1b54"`
[INFO] running `"docker" "rm" "-f" "2ab390ea92e06a69f2f59ade9634ce2351ce9140ffc51999a1b9cca4bbed1b54"`
[INFO] [stdout] 2ab390ea92e06a69f2f59ade9634ce2351ce9140ffc51999a1b9cca4bbed1b54