[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-1.38-1/sources/1.37.0/reg/cautious-octo-funicular/0.1.3
[INFO] extracting crate cautious-octo-funicular 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cautious-octo-funicular/0.1.3
[INFO] validating manifest of cautious-octo-funicular-0.1.3 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 cautious-octo-funicular-0.1.3 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/cautious-octo-funicular/0.1.3/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 cautious-octo-funicular-0.1.3 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ba4f23439071c3219eeee47d46568196e0faaf50017a978c366b12836419c7a2
[INFO] running `"docker" "start" "-a" "ba4f23439071c3219eeee47d46568196e0faaf50017a978c366b12836419c7a2"`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling open v1.3.2
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling toml-query v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling ws v0.7.9
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling staticfile v0.5.0
[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 elasticlunr-rs v2.3.6
[INFO] [stderr]    Compiling handlebars v1.1.0
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> build.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[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-88492f23b382529f/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::h3085a198dda0c9cf (0x55aa14439d55)
[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::h13f9341286dadf7d (0x55aa13ba313a)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::unwrap_or_else::h67671a8c7db60014 (0x55aa13bf6b0f)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/option.rs:388
[INFO] [stderr]    3: error_chain::State::new::h5ff097eb025b75e9 (0x55aa13c0f5bc)
[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}}::hc3437c87af5ab777 (0x55aa13c58d8a)
[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::h4619f0a0ac81c50a (0x55aa13b8cb30)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522
[INFO] [stderr]    6: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::h01535e8c5c443483 (0x55aa13b9fea7)
[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::hee21f3e710ef5ab9 (0x55aa13c3b2fc)
[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::h8ac17d12fd738669 (0x55aa13c4a0b8)
[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::h9b0cb743bd125133 (0x55aa13c4965a)
[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::h4f5ab7fa7197f8d6 (0x55aa13c48b1b)
[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::h3f70a72388c09dcd (0x55aa13b79f84)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12: std::rt::lang_start::{{closure}}::hecb71ec5e5a898e7 (0x55aa13b7dc10)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   13: std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d (0x55aa14487e93)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h4a61cb372364c745
[INFO] [stderr]              at src/libstd/panicking.rs:296
[INFO] [stderr]   14: __rust_maybe_catch_panic (0x55aa1449039a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   15: std::panicking::try::hdf71f938885bca42 (0x55aa1448899d)
[INFO] [stderr]              at src/libstd/panicking.rs:275
[INFO] [stderr]       std::panic::catch_unwind::h7e85dbf162b1611a
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::h1e06cc26b9fc25ea
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   16: std::rt::lang_start::h33400df7d360eb0d (0x55aa13b7dbe9)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   17: main (0x55aa13b7b59a)
[INFO] [stderr]   18: __libc_start_main (0x7f755269d2e1)
[INFO] [stderr]   19: _start (0x55aa13b7991a)
[INFO] [stderr]   20: <unknown> (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stderr]    0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x55aa14439d55)
[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::h13f9341286dadf7d (0x55aa13ba313a)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::unwrap_or_else::h67671a8c7db60014 (0x55aa13bf6b0f)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/option.rs:388
[INFO] [stderr]    3: error_chain::State::new::h5ff097eb025b75e9 (0x55aa13c0f5bc)
[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}}::hc3437c87af5ab777 (0x55aa13c58d8a)
[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::h4619f0a0ac81c50a (0x55aa13b8cb30)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522
[INFO] [stderr]    6: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::h01535e8c5c443483 (0x55aa13b9fea7)
[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::hee21f3e710ef5ab9 (0x55aa13c3b2fc)
[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::h8ac17d12fd738669 (0x55aa13c4a0b8)
[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::h9b0cb743bd125133 (0x55aa13c4965a)
[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::h4f5ab7fa7197f8d6 (0x55aa13c48b1b)
[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::h3f70a72388c09dcd (0x55aa13b79f84)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12: std::rt::lang_start::{{closure}}::hecb71ec5e5a898e7 (0x55aa13b7dc10)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   13: std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d (0x55aa14487e93)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h4a61cb372364c745
[INFO] [stderr]              at src/libstd/panicking.rs:296
[INFO] [stderr]   14: __rust_maybe_catch_panic (0x55aa1449039a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   15: std::panicking::try::hdf71f938885bca42 (0x55aa1448899d)
[INFO] [stderr]              at src/libstd/panicking.rs:275
[INFO] [stderr]       std::panic::catch_unwind::h7e85dbf162b1611a
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::h1e06cc26b9fc25ea
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   16: std::rt::lang_start::h33400df7d360eb0d (0x55aa13b7dbe9)
[INFO] [stderr]              at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   17: main (0x55aa13b7b59a)
[INFO] [stderr]   18: __libc_start_main (0x7f755269d2e1)
[INFO] [stderr]   19: _start (0x55aa13b7991a)
[INFO] [stderr]   20: <unknown> (0x0)) } })
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "ba4f23439071c3219eeee47d46568196e0faaf50017a978c366b12836419c7a2"`
[INFO] running `"docker" "rm" "-f" "ba4f23439071c3219eeee47d46568196e0faaf50017a978c366b12836419c7a2"`
[INFO] [stdout] ba4f23439071c3219eeee47d46568196e0faaf50017a978c366b12836419c7a2