[INFO] crate cautious-octo-funicular 0.1.3 is already in cache
[INFO] extracting crate cautious-octo-funicular 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/cautious-octo-funicular/0.1.3
[INFO] extracting crate cautious-octo-funicular 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cautious-octo-funicular/0.1.3
[INFO] validating manifest of cautious-octo-funicular-0.1.3 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 cautious-octo-funicular-0.1.3 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 cautious-octo-funicular-0.1.3
[INFO] finished frobbing cautious-octo-funicular-0.1.3
[INFO] frobbed toml for cautious-octo-funicular-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cautious-octo-funicular/0.1.3/Cargo.toml
[INFO] started frobbing cautious-octo-funicular-0.1.3
[INFO] finished frobbing cautious-octo-funicular-0.1.3
[INFO] frobbed toml for cautious-octo-funicular-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cautious-octo-funicular/0.1.3/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] 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 cautious-octo-funicular-0.1.3 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/reg/cautious-octo-funicular/0.1.3:/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] 83a4930a35da95773fdd05cad7cb82058b5a8d1df095b7a3bf5ba05553e0b93c
[INFO] running `"docker" "start" "-a" "83a4930a35da95773fdd05cad7cb82058b5a8d1df095b7a3bf5ba05553e0b93c"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling safemem v0.3.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling open v1.3.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling ws v0.7.9
[INFO] [stderr]    Compiling toml-query v0.7.0
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling staticfile v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.6
[INFO] [stderr]    Compiling ammonia v1.2.0
[INFO] [stderr]    Compiling mdbook v0.2.3
[INFO] [stderr]    Compiling cautious-octo-funicular v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `cautious-octo-funicular v0.1.3 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/cautious-octo-funicular-3a655811384c0c0a/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Error(Msg("Rendering failed"), State { next_error: Some(Error(Msg("Unexpected error when constructing destination path"), State { next_error: Some(Os { code: 30, kind: Other, message: "Read-only file system" }), backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stderr]    0: error_chain::backtrace::imp::InternalBacktrace::new::h195da790e05f5abc (0x557e9053ea35)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56
[INFO] [stderr]    1: core::ops::function::FnOnce::call_once::h2654c4b5c6c7e4f1 (0x557e8fdf6c6a)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::unwrap_or_else::h21b2a5bf88bbb605 (0x557e8fd155ec)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/option.rs:388
[INFO] [stderr]    3: error_chain::State::new::hd88965f48364f831 (0x557e8fd419ec)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:679
[INFO] [stderr]    4: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::{{closure}}::h1ef12ed250a2accd (0x557e8fd8985a)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/<::error_chain::error_chain::impl_error_chain_processed macros>:142
[INFO] [stderr]    5: core::result::Result<T,E>::map_err::h47e7518c12b7f769 (0x557e8fcc91f0)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:522
[INFO] [stderr]    6: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::h433f0d1fe64196fe (0x557e8fcdcbc7)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/<::error_chain::error_chain::impl_error_chain_processed macros>:140
[INFO] [stderr]    7: <mdbook::renderer::html_handlebars::hbs_renderer::HtmlHandlebars as mdbook::renderer::Renderer>::render::h6baf1e064127b86a (0x557e8fd6bec8)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/renderer/html_handlebars/hbs_renderer.rs:318
[INFO] [stderr]    8: mdbook::book::MDBook::render::he1cbbfbf646f7709 (0x557e8fda32b8)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/book/mod.rs:204
[INFO] [stderr]    9: mdbook::book::MDBook::execute_build_process::h212697fee9ae9010 (0x557e8fda2850)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/book/mod.rs:178
[INFO] [stderr]   10: mdbook::book::MDBook::build::h81c33a6ec5ea0d77 (0x557e8fda1cea)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/book/mod.rs:155
[INFO] [stderr]   11: build_script_build::main::hf4995687d40ca4e6 (0x557e8fcb6536)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12: std::rt::lang_start::{{closure}}::he80bb2b55606fa1e (0x557e8fcba1d0)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   13: std::rt::lang_start_internal::{{closure}}::h3a7adfabc7c47a5f (0x557e90590fc3)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]              at src/libstd/panicking.rs:293
[INFO] [stderr]   14: __rust_maybe_catch_panic (0x557e90599a8a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15: std::panicking::try::hfb06c315006b63ac (0x557e90591acd)
[INFO] [stderr]              at src/libstd/panicking.rs:272
[INFO] [stderr]       std::panic::catch_unwind::h6cd8469da971482b
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   16: std::rt::lang_start::h9205d5baa2c2ecc5 (0x557e8fcba1a9)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   17: main (0x557e8fcb7b5a)
[INFO] [stderr]   18: __libc_start_main (0x7febb48302e1)
[INFO] [stderr]   19: _start (0x557e8fcb5eba)
[INFO] [stderr]   20: <unknown> (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stderr]    0: error_chain::backtrace::imp::InternalBacktrace::new::h195da790e05f5abc (0x557e9053ea35)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56
[INFO] [stderr]    1: core::ops::function::FnOnce::call_once::h2654c4b5c6c7e4f1 (0x557e8fdf6c6a)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::unwrap_or_else::h21b2a5bf88bbb605 (0x557e8fd155ec)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/option.rs:388
[INFO] [stderr]    3: error_chain::State::new::hd88965f48364f831 (0x557e8fd419ec)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:679
[INFO] [stderr]    4: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::{{closure}}::h1ef12ed250a2accd (0x557e8fd8985a)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/<::error_chain::error_chain::impl_error_chain_processed macros>:142
[INFO] [stderr]    5: core::result::Result<T,E>::map_err::h47e7518c12b7f769 (0x557e8fcc91f0)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:522
[INFO] [stderr]    6: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::h433f0d1fe64196fe (0x557e8fcdcbc7)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/<::error_chain::error_chain::impl_error_chain_processed macros>:140
[INFO] [stderr]    7: <mdbook::renderer::html_handlebars::hbs_renderer::HtmlHandlebars as mdbook::renderer::Renderer>::render::h6baf1e064127b86a (0x557e8fd6bec8)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/renderer/html_handlebars/hbs_renderer.rs:318
[INFO] [stderr]    8: mdbook::book::MDBook::render::he1cbbfbf646f7709 (0x557e8fda32b8)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/book/mod.rs:204
[INFO] [stderr]    9: mdbook::book::MDBook::execute_build_process::h212697fee9ae9010 (0x557e8fda2850)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/book/mod.rs:178
[INFO] [stderr]   10: mdbook::book::MDBook::build::h81c33a6ec5ea0d77 (0x557e8fda1cea)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.2.3/src/book/mod.rs:155
[INFO] [stderr]   11: build_script_build::main::hf4995687d40ca4e6 (0x557e8fcb6536)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12: std::rt::lang_start::{{closure}}::he80bb2b55606fa1e (0x557e8fcba1d0)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   13: std::rt::lang_start_internal::{{closure}}::h3a7adfabc7c47a5f (0x557e90590fc3)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]              at src/libstd/panicking.rs:293
[INFO] [stderr]   14: __rust_maybe_catch_panic (0x557e90599a8a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15: std::panicking::try::hfb06c315006b63ac (0x557e90591acd)
[INFO] [stderr]              at src/libstd/panicking.rs:272
[INFO] [stderr]       std::panic::catch_unwind::h6cd8469da971482b
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   16: std::rt::lang_start::h9205d5baa2c2ecc5 (0x557e8fcba1a9)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   17: main (0x557e8fcb7b5a)
[INFO] [stderr]   18: __libc_start_main (0x7febb48302e1)
[INFO] [stderr]   19: _start (0x557e8fcb5eba)
[INFO] [stderr]   20: <unknown> (0x0)) } })
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "83a4930a35da95773fdd05cad7cb82058b5a8d1df095b7a3bf5ba05553e0b93c"`
[INFO] running `"docker" "rm" "-f" "83a4930a35da95773fdd05cad7cb82058b5a8d1df095b7a3bf5ba05553e0b93c"`
[INFO] [stdout] 83a4930a35da95773fdd05cad7cb82058b5a8d1df095b7a3bf5ba05553e0b93c