[INFO] fetching crate cautious-octo-funicular 0.1.3...
[INFO] extracting crate cautious-octo-funicular 0.1.3 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/cautious-octo-funicular/0.1.3
[INFO] extracting crate cautious-octo-funicular 0.1.3 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/cautious-octo-funicular/0.1.3
[INFO] validating manifest of cautious-octo-funicular-0.1.3 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cautious-octo-funicular-0.1.3 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/cautious-octo-funicular/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cautious-octo-funicular-0.1.3 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 0a8a7f23ff2afb0a1c3623fc3b636a8566d497d1f1e2f84b49b7326f649df92f
[INFO] running `"docker" "start" "-a" "0a8a7f23ff2afb0a1c3623fc3b636a8566d497d1f1e2f84b49b7326f649df92f"`
[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-b7fcdb4f9f622503/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::h907961ae320a1193 (0x556c401c1935)
[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::hb448c3165a1a947d (0x556c3fa6240a)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::unwrap_or_else::h6d465a4e0d7517b5 (0x556c3f992656)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/option.rs:388
[INFO] [stderr]    3: error_chain::State::new::h86ab4d7f9db9a48a (0x556c3f9aeccc)
[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}}::h4caa5a8a5115629e (0x556c3f9dc88a)
[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::h819dd960f73aa010 (0x556c3f9488d0)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:522
[INFO] [stderr]    6: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::h0cac45fc2227056f (0x556c3f959e37)
[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::h0a056b201401d480 (0x556c3f9d1516)
[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::h33b4ab44948be1d0 (0x556c3f9ef8e8)
[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::h889f50a2e7c0f61e (0x556c3f9eee80)
[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::h6916376338944b11 (0x556c3f9ee31a)
[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::hbd52d7db5baa62ed (0x556c3f9339e5)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12: std::rt::lang_start::{{closure}}::h5709891079054622 (0x556c3f9376c0)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   13: std::rt::lang_start_internal::{{closure}}::hcbc5c8394111530e (0x556c40213143)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h84c4ef65129422bb
[INFO] [stderr]              at src/libstd/panicking.rs:294
[INFO] [stderr]   14: __rust_maybe_catch_panic (0x556c4021bc9a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15: std::panicking::try::h2c4ddfbb8ee8ea48 (0x556c40213c4d)
[INFO] [stderr]              at src/libstd/panicking.rs:273
[INFO] [stderr]       std::panic::catch_unwind::hdaf4c8aaf8d806d4
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       std::rt::lang_start_internal::h62b0fb13d258520d
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   16: std::rt::lang_start::h896b0da4ca8cc147 (0x556c3f937699)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   17: main (0x556c3f93500a)
[INFO] [stderr]   18: __libc_start_main (0x7f764a6f92e1)
[INFO] [stderr]   19: _start (0x556c3f93337a)
[INFO] [stderr]   20: <unknown> (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace:
[INFO] [stderr]    0: error_chain::backtrace::imp::InternalBacktrace::new::h907961ae320a1193 (0x556c401c1935)
[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::hb448c3165a1a947d (0x556c3fa6240a)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::unwrap_or_else::h6d465a4e0d7517b5 (0x556c3f992656)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/option.rs:388
[INFO] [stderr]    3: error_chain::State::new::h86ab4d7f9db9a48a (0x556c3f9aeccc)
[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}}::h4caa5a8a5115629e (0x556c3f9dc88a)
[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::h819dd960f73aa010 (0x556c3f9488d0)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:522
[INFO] [stderr]    6: <core::result::Result<T,E> as mdbook::errors::ResultExt<T>>::chain_err::h0cac45fc2227056f (0x556c3f959e37)
[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::h0a056b201401d480 (0x556c3f9d1516)
[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::h33b4ab44948be1d0 (0x556c3f9ef8e8)
[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::h889f50a2e7c0f61e (0x556c3f9eee80)
[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::h6916376338944b11 (0x556c3f9ee31a)
[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::hbd52d7db5baa62ed (0x556c3f9339e5)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12: std::rt::lang_start::{{closure}}::h5709891079054622 (0x556c3f9376c0)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   13: std::rt::lang_start_internal::{{closure}}::hcbc5c8394111530e (0x556c40213143)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h84c4ef65129422bb
[INFO] [stderr]              at src/libstd/panicking.rs:294
[INFO] [stderr]   14: __rust_maybe_catch_panic (0x556c4021bc9a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15: std::panicking::try::h2c4ddfbb8ee8ea48 (0x556c40213c4d)
[INFO] [stderr]              at src/libstd/panicking.rs:273
[INFO] [stderr]       std::panic::catch_unwind::hdaf4c8aaf8d806d4
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       std::rt::lang_start_internal::h62b0fb13d258520d
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   16: std::rt::lang_start::h896b0da4ca8cc147 (0x556c3f937699)
[INFO] [stderr]              at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   17: main (0x556c3f93500a)
[INFO] [stderr]   18: __libc_start_main (0x7f764a6f92e1)
[INFO] [stderr]   19: _start (0x556c3f93337a)
[INFO] [stderr]   20: <unknown> (0x0)) } })
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0a8a7f23ff2afb0a1c3623fc3b636a8566d497d1f1e2f84b49b7326f649df92f"`
[INFO] running `"docker" "rm" "-f" "0a8a7f23ff2afb0a1c3623fc3b636a8566d497d1f1e2f84b49b7326f649df92f"`
[INFO] [stdout] 0a8a7f23ff2afb0a1c3623fc3b636a8566d497d1f1e2f84b49b7326f649df92f