[INFO] crate mdbook-epub 0.1.0 is already in cache [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/mdbook-epub/0.1.0 [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mdbook-epub/0.1.0 [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/mdbook-epub/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mdbook-epub-0.1.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] d0e39545a63811a61302fd4abec02678a0d796d61616df3cafae80326d9a4b72 [INFO] running `"docker" "start" "-a" "d0e39545a63811a61302fd4abec02678a0d796d61616df3cafae80326d9a4b72"` [INFO] [stderr] Compiling is-match v0.1.0 [INFO] [stderr] Compiling jobserver v0.1.12 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling strum_macros v0.11.0 [INFO] [stderr] Compiling flate2 v1.0.6 [INFO] [stderr] Compiling globset v0.2.1 [INFO] [stderr] Compiling handlebars v0.32.4 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Compiling crates-io v0.13.0 [INFO] [stderr] Compiling mdbook v0.1.8 [INFO] [stderr] Compiling toml-query v0.6.0 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling git2-curl v0.7.0 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling ignore v0.2.2 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling elasticlunr-rs v2.3.4 [INFO] [stderr] Compiling epub-builder v0.3.0 [INFO] [stderr] Compiling staticfile v0.5.0 [INFO] [stderr] Compiling ammonia v1.2.0 [INFO] [stderr] Compiling tokio-reactor v0.1.8 [INFO] [stderr] Compiling cargo v0.24.0 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling notify v4.0.7 [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-29e015b437797037/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::h0b59a475217d2e7b (0x560119f5acde) [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::hc34945c9e4cd6288 (0x5601196a7769) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: >::or_else::hf2579738e8d4d3a1 (0x56011981b022) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h16b1e36710cc80ce (0x56011986d261) [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}}::h61390dfc020bcc42 (0x5601197f57c9) [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::h29d4f345f604f0c5 (0x560119665cca) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h553cccd263462cd8 (0x5601196853f4) [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::hb26ffcaa3efad1c0 (0x5601197f0910) [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::h2c9330d3a679869a (0x5601197f022e) [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::h79842ab2a57a9a03 (0x56011988a3db) [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::h441a4e1953e7fcb6 (0x560119717d2e) [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::h25243e0210feb76b (0x560119717759) [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::hf5533bf757dbfb68 (0x5601194ed7ba) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::he94b2d1aac3bc609 (0x5601194ecd3b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hd1d8662f45caedb6 (0x5601194e979f) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x560119f95692) [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] do_call [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 16: __rust_maybe_catch_panic (0x560119f9e169) [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 17: try (0x560119f96285) [INFO] [stderr] at src/libstd/panicking.rs:276 [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::hb97be90c164faf78 (0x5601194e9778) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x5601194ed9a9) [INFO] [stderr] 20: __libc_start_main (0x7ff6e141c2e0) [INFO] [stderr] 21: _start (0x5601194e9629) [INFO] [stderr] 22: (0x0)) })), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::h0b59a475217d2e7b (0x560119f5acde) [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::hc34945c9e4cd6288 (0x5601196a7769) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: >::or_else::hf2579738e8d4d3a1 (0x56011981b022) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h16b1e36710cc80ce (0x56011986d261) [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}}::h61390dfc020bcc42 (0x5601197f57c9) [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::h29d4f345f604f0c5 (0x560119665cca) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h553cccd263462cd8 (0x5601196853f4) [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::hb26ffcaa3efad1c0 (0x5601197f0910) [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::h2c9330d3a679869a (0x5601197f022e) [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::h79842ab2a57a9a03 (0x56011988a3db) [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::h441a4e1953e7fcb6 (0x560119717d2e) [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::h25243e0210feb76b (0x560119717759) [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::hf5533bf757dbfb68 (0x5601194ed7ba) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::he94b2d1aac3bc609 (0x5601194ecd3b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hd1d8662f45caedb6 (0x5601194e979f) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x560119f95692) [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] do_call [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 16: __rust_maybe_catch_panic (0x560119f9e169) [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 17: try (0x560119f96285) [INFO] [stderr] at src/libstd/panicking.rs:276 [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::hb97be90c164faf78 (0x5601194e9778) [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x5601194ed9a9) [INFO] [stderr] 20: __libc_start_main (0x7ff6e141c2e0) [INFO] [stderr] 21: _start (0x5601194e9629) [INFO] [stderr] 22: (0x0)) })', src/libcore/result.rs:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560119f96a23 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x560119f9274b - std::sys_common::backtrace::_print::he39717f7cfbd122d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stderr] 2: 0x560119f95586 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 3: 0x560119f95304 - std::panicking::default_hook::hc2b73d8ffc772b35 [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 4: 0x560119f95c90 - std::panicking::rust_panic_with_hook::h625072734a147d22 [INFO] [stderr] at src/libstd/panicking.rs:478 [INFO] [stderr] 5: 0x560119f95811 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e [INFO] [stderr] at src/libstd/panicking.rs:385 [INFO] [stderr] 6: 0x560119f956f5 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:312 [INFO] [stderr] 7: 0x560119fb211c - core::panicking::panic_fmt::h3dc182ff7fefc0c0 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x5601194e9bd4 - core::result::unwrap_failed::h97044b25543e57ea [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/macros.rs:16 [INFO] [stderr] 9: 0x5601194e9a3d - >::unwrap::hbfce99faf4445b22 [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x5601194ecd4c - build_script_build::main::he94b2d1aac3bc609 [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 11: 0x5601194e979f - std::rt::lang_start::{{closure}}::hd1d8662f45caedb6 [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x560119f95692 - std::panicking::try::do_call::ha6d3d6f6b5f6c5f2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 13: 0x560119f9e169 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:92 [INFO] [stderr] 14: 0x560119f96285 - std::rt::lang_start_internal::hc755040b17518fe7 [INFO] [stderr] at src/libstd/panicking.rs:276 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x5601194e9778 - std::rt::lang_start::hb97be90c164faf78 [INFO] [stderr] at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x5601194ed9a9 - main [INFO] [stderr] 17: 0x7ff6e141c2e0 - __libc_start_main [INFO] [stderr] 18: 0x5601194e9629 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "d0e39545a63811a61302fd4abec02678a0d796d61616df3cafae80326d9a4b72"` [INFO] running `"docker" "rm" "-f" "d0e39545a63811a61302fd4abec02678a0d796d61616df3cafae80326d9a4b72"` [INFO] [stdout] d0e39545a63811a61302fd4abec02678a0d796d61616df3cafae80326d9a4b72