[INFO] fetching crate mdbook-epub 0.1.0... [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/mdbook-epub/0.1.0 [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/mdbook-epub/0.1.0 [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mdbook-epub-0.1.0 [INFO] finished frobbing mdbook-epub-0.1.0 [INFO] frobbed toml for mdbook-epub-0.1.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/mdbook-epub/0.1.0/Cargo.toml [INFO] started frobbing mdbook-epub-0.1.0 [INFO] finished frobbing mdbook-epub-0.1.0 [INFO] frobbed toml for mdbook-epub-0.1.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/mdbook-epub/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded epub-builder v0.3.0 [INFO] [stderr] Downloaded epub v1.2.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mdbook-epub-0.1.0 against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/mdbook-epub/0.1.0:/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=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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d43906eee0da97a5fe36571366a977dba52197ee2c36897fb3801d54b803000b [INFO] running `"docker" "start" "-a" "d43906eee0da97a5fe36571366a977dba52197ee2c36897fb3801d54b803000b"` [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling hex v0.2.0 [INFO] [stderr] Compiling shell-escape v0.1.4 [INFO] [stderr] Compiling home v0.3.4 [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] Compiling termcolor v0.3.6 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling jobserver v0.1.12 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling serde_ignored v0.0.4 [INFO] [stderr] Compiling tar v0.4.21 [INFO] [stderr] Compiling strum_macros v0.11.0 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling globset v0.2.1 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Compiling openssl v0.10.19 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling curl-sys v0.4.16 [INFO] [stderr] Checking toml-query v0.6.0 [INFO] [stderr] Compiling mdbook v0.1.8 [INFO] [stderr] Compiling ignore v0.2.2 [INFO] [stderr] Checking epub-builder v0.3.0 [INFO] [stderr] Checking epub v1.2.0 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Compiling curl v0.4.19 [INFO] [stderr] Checking elasticlunr-rs v2.3.4 [INFO] [stderr] Checking html5ever v0.22.5 [INFO] [stderr] Checking mount v0.4.0 [INFO] [stderr] Compiling git2 v0.6.11 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Checking ammonia v1.2.0 [INFO] [stderr] Compiling crates-io v0.13.0 [INFO] [stderr] Checking staticfile v0.5.0 [INFO] [stderr] Compiling git2-curl v0.7.0 [INFO] [stderr] Compiling cargo v0.24.0 [INFO] [stderr] Compiling mdbook-epub v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `mdbook-epub v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mdbook-epub-6f7c11487671ee8a/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: CargoError(Msg("failed to write /opt/crater/workdir/Cargo.lock"), State { next_error: Some(CargoError(Msg("failed to open: /opt/crater/workdir/Cargo.lock"), State { next_error: Some(Os { code: 30, kind: Other, message: "Read-only file system" }), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::h8f4aaf2ddc223a16 (0x5633f73d9e98) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:616 [INFO] [stderr] 1: core::ops::function::FnOnce::call_once::h30dc540f79f75109 (0x5633f6aa6049) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: >::or_else::hcbdf48736a94eee9 (0x5633f6cc2f34) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h69773b641d25c723 (0x5633f6d3bb11) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:724 [INFO] [stderr] 4: as cargo::util::errors::CargoResultExt>::chain_err::{{closure}}::he38731751eca6f23 (0x5633f6ca1019) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/<::error_chain::error_chain::impl_error_chain_processed macros>:143 [INFO] [stderr] 5: >::map_err::h77b43b3014c68ae7 (0x5633f6b1ead5) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h0171188a212f8240 (0x5633f6b34ae4) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/<::error_chain::error_chain::impl_error_chain_processed macros>:141 [INFO] [stderr] 7: cargo::util::flock::Filesystem::open::hcb0f4af40f3d1af1 (0x5633f6c99090) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/util/flock.rs:208 [INFO] [stderr] 8: cargo::util::flock::Filesystem::open_rw::h49e863a2206a06d7 (0x5633f6c989ae) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/util/flock.rs:168 [INFO] [stderr] 9: cargo::ops::lockfile::write_pkg_lockfile::hcb3ab045983427e8 (0x5633f6d5e624) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/ops/lockfile.rs:84 [INFO] [stderr] 10: cargo::ops::resolve::resolve_with_registry::hcd20712f94c5a6a9 (0x5633f6bbf1a4) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/ops/resolve.rs:97 [INFO] [stderr] 11: cargo::ops::resolve::resolve_ws::h8f4ab52b63908d12 (0x5633f6bbebd2) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/ops/resolve.rs:18 [INFO] [stderr] 12: build_script_build::find_dependency_version::h96f9a1dcb1d42d04 (0x5633f693bc39) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hd5214defceba74b3 (0x5633f693b1ab) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hd79c480ae9f1d7b9 (0x5633f693c64f) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x5633f7416bb2) [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] do_call [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 16: __rust_maybe_catch_panic (0x5633f741f6d9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x5633f741777c) [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] catch_unwind [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] lang_start_internal [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 18: std::rt::lang_start::h5e2ee7ff1a90c553 (0x5633f693c628) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x5633f693be29) [INFO] [stderr] 20: __libc_start_main (0x7f4e7d8a32e0) [INFO] [stderr] 21: _start (0x5633f693af79) [INFO] [stderr] 22: (0x0)) })), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::h8f4aaf2ddc223a16 (0x5633f73d9e98) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:616 [INFO] [stderr] 1: core::ops::function::FnOnce::call_once::h30dc540f79f75109 (0x5633f6aa6049) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: >::or_else::hcbdf48736a94eee9 (0x5633f6cc2f34) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h69773b641d25c723 (0x5633f6d3bb11) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:724 [INFO] [stderr] 4: as cargo::util::errors::CargoResultExt>::chain_err::{{closure}}::he38731751eca6f23 (0x5633f6ca1019) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/<::error_chain::error_chain::impl_error_chain_processed macros>:143 [INFO] [stderr] 5: >::map_err::h77b43b3014c68ae7 (0x5633f6b1ead5) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h0171188a212f8240 (0x5633f6b34ae4) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/<::error_chain::error_chain::impl_error_chain_processed macros>:141 [INFO] [stderr] 7: cargo::util::flock::Filesystem::open::hcb0f4af40f3d1af1 (0x5633f6c99090) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/util/flock.rs:208 [INFO] [stderr] 8: cargo::util::flock::Filesystem::open_rw::h49e863a2206a06d7 (0x5633f6c989ae) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/util/flock.rs:168 [INFO] [stderr] 9: cargo::ops::lockfile::write_pkg_lockfile::hcb3ab045983427e8 (0x5633f6d5e624) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/ops/lockfile.rs:84 [INFO] [stderr] 10: cargo::ops::resolve::resolve_with_registry::hcd20712f94c5a6a9 (0x5633f6bbf1a4) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/ops/resolve.rs:97 [INFO] [stderr] 11: cargo::ops::resolve::resolve_ws::h8f4ab52b63908d12 (0x5633f6bbebd2) [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-0.24.0/src/cargo/ops/resolve.rs:18 [INFO] [stderr] 12: build_script_build::find_dependency_version::h96f9a1dcb1d42d04 (0x5633f693bc39) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hd5214defceba74b3 (0x5633f693b1ab) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hd79c480ae9f1d7b9 (0x5633f693c64f) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x5633f7416bb2) [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] do_call [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 16: __rust_maybe_catch_panic (0x5633f741f6d9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x5633f741777c) [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] catch_unwind [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] lang_start_internal [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 18: std::rt::lang_start::h5e2ee7ff1a90c553 (0x5633f693c628) [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x5633f693be29) [INFO] [stderr] 20: __libc_start_main (0x7f4e7d8a32e0) [INFO] [stderr] 21: _start (0x5633f693af79) [INFO] [stderr] 22: (0x0)) })', src/libcore/result.rs:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5633f7417ea3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h056765bf7a6b94bc [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x5633f7413d1b - std::sys_common::backtrace::_print::h48c5077c6bf731a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x5633f7416aa6 - std::panicking::default_hook::{{closure}}::h10685ecc5722a441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x5633f7416839 - std::panicking::default_hook::h962219f3c37ea293 [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x5633f74171af - std::panicking::rust_panic_with_hook::h64946f613bc1f993 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x5633f7416d31 - std::panicking::continue_panic_fmt::hf37e5663974ab49e [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x5633f7416c15 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x5633f74334dc - core::panicking::panic_fmt::hd5d962f115ecff18 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x5633f693c434 - core::result::unwrap_failed::hb55847c42c5cb87d [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/macros.rs:16 [INFO] [stderr] 9: 0x5633f693c15d - >::unwrap::hffa707e2b42fbe57 [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x5633f693b1bc - build_script_build::main::hd5214defceba74b3 [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 11: 0x5633f693c64f - std::rt::lang_start::{{closure}}::hd79c480ae9f1d7b9 [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x5633f7416bb2 - std::panicking::try::do_call::hd4ef0f120dffc383 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x5633f741f6d9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 14: 0x5633f741777c - std::rt::lang_start_internal::ha8fe887d067baab1 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x5633f693c628 - std::rt::lang_start::h5e2ee7ff1a90c553 [INFO] [stderr] at /rustc/290ac7b29f41ff9fa5232f9a1116ea71a3501063/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x5633f693be29 - main [INFO] [stderr] 17: 0x7f4e7d8a32e0 - __libc_start_main [INFO] [stderr] 18: 0x5633f693af79 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "d43906eee0da97a5fe36571366a977dba52197ee2c36897fb3801d54b803000b"` [INFO] running `"docker" "rm" "-f" "d43906eee0da97a5fe36571366a977dba52197ee2c36897fb3801d54b803000b"` [INFO] [stdout] d43906eee0da97a5fe36571366a977dba52197ee2c36897fb3801d54b803000b