[INFO] crate mdbook-epub 0.1.0 is already in cache [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/reg/mdbook-epub/0.1.0 [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/reg/mdbook-epub/0.1.0 [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain master#003382e4150984cb476047b3925edf8d75df2d59 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-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-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/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-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/reg/mdbook-epub/0.1.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mdbook-epub-0.1.0 against try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 for pr-59527 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-7/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/reg/mdbook-epub/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9d7a2d917afaee364f2c70466b6bd67e530f332f53c2ffd34c0b3090efa3e10f [INFO] running `"docker" "start" "-a" "9d7a2d917afaee364f2c70466b6bd67e530f332f53c2ffd34c0b3090efa3e10f"` [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling termcolor v0.3.6 [INFO] [stderr] Compiling shell-escape v0.1.4 [INFO] [stderr] Compiling hex v0.2.0 [INFO] [stderr] Compiling home v0.3.4 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling jobserver v0.1.13 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling serde_ignored v0.0.4 [INFO] [stderr] Checking mustache v0.8.2 [INFO] [stderr] Compiling tar v0.4.22 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling strum_macros v0.11.0 [INFO] [stderr] Compiling globset v0.2.1 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Checking structopt v0.1.7 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Compiling curl-sys v0.4.17 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Checking toml-query v0.6.0 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling markup5ever v0.7.5 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Checking epub-builder v0.3.0 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Compiling curl v0.4.20 [INFO] [stderr] Checking epub v1.2.0 [INFO] [stderr] Compiling mdbook v0.1.8 [INFO] [stderr] Compiling ignore v0.2.2 [INFO] [stderr] Compiling git2 v0.6.11 [INFO] [stderr] Checking elasticlunr-rs v2.3.4 [INFO] [stderr] Compiling crates-io v0.13.0 [INFO] [stderr] Checking html5ever v0.22.5 [INFO] [stderr] Checking ammonia v1.2.0 [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-75f373c24306c9f6/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::hf69b0e902539bb29 (0x55db9bc15228) [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::h60c172eccbe6e2b7 (0x55db9b2d93b9) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::h1c7491eb496c664f (0x55db9b4fa5a4) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::hd99cec73a8b3d544 (0x55db9b56b131) [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}}::hb7c4015b03b0c516 (0x55db9b4d6c09) [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: core::result::Result::map_err::h727e9749c98d556a (0x55db9b353e35) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::ha9a6dee2594bc332 (0x55db9b36aa04) [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::hc425a0450541f5ea (0x55db9b4cefe0) [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::hc09cbb9c139902e1 (0x55db9b4cea7e) [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::h7abccffb3cde2b3b (0x55db9b596574) [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::h279ec29fc0420667 (0x55db9b3f6a74) [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::ha5c623d2cf64a89d (0x55db9b3f64a2) [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::h2243c5d7c18a09ca (0x55db9b182869) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::h3be4526c868291e4 (0x55db9b181ddb) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::h191f483590d8ce58 (0x55db9b17e78f) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x55db9bc51b52) [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 (0x55db9bc5a2e9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x55db9bc5271c) [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::h6ba20f92d43d3ef4 (0x55db9b17e768) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x55db9b182a59) [INFO] [stderr] 20: __libc_start_main (0x7f134c2292e0) [INFO] [stderr] 21: _start (0x55db9b17e619) [INFO] [stderr] 22: (0x0)) })), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::hf69b0e902539bb29 (0x55db9bc15228) [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::h60c172eccbe6e2b7 (0x55db9b2d93b9) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::h1c7491eb496c664f (0x55db9b4fa5a4) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::hd99cec73a8b3d544 (0x55db9b56b131) [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}}::hb7c4015b03b0c516 (0x55db9b4d6c09) [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: core::result::Result::map_err::h727e9749c98d556a (0x55db9b353e35) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::ha9a6dee2594bc332 (0x55db9b36aa04) [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::hc425a0450541f5ea (0x55db9b4cefe0) [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::hc09cbb9c139902e1 (0x55db9b4cea7e) [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::h7abccffb3cde2b3b (0x55db9b596574) [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::h279ec29fc0420667 (0x55db9b3f6a74) [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::ha5c623d2cf64a89d (0x55db9b3f64a2) [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::h2243c5d7c18a09ca (0x55db9b182869) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::h3be4526c868291e4 (0x55db9b181ddb) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::h191f483590d8ce58 (0x55db9b17e78f) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x55db9bc51b52) [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 (0x55db9bc5a2e9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x55db9bc5271c) [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::h6ba20f92d43d3ef4 (0x55db9b17e768) [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x55db9b182a59) [INFO] [stderr] 20: __libc_start_main (0x7f134c2292e0) [INFO] [stderr] 21: _start (0x55db9b17e619) [INFO] [stderr] 22: (0x0)) })', src/libcore/result.rs:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55db9bc52e43 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h66d350f9db0b669d [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55db9bc4e92b - std::sys_common::backtrace::_print::hd88e9e33d9d0c3d3 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55db9bc51a46 - std::panicking::default_hook::{{closure}}::hc9e93d7d5e7dbb25 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55db9bc517d9 - std::panicking::default_hook::h77cfee2c3458595a [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55db9bc5214f - std::panicking::rust_panic_with_hook::hfc1da43a823684d5 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55db9bc51cd1 - std::panicking::continue_panic_fmt::h7784505a38c36606 [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55db9bc51bb5 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55db9bc6e12c - core::panicking::panic_fmt::hb63de363e0a932c8 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55db9b181834 - core::result::unwrap_failed::h8b29918ad88625ab [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55db9b181a4d - core::result::Result::unwrap::h796cf9c97e755e3f [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x55db9b181dec - build_script_build::main::h3be4526c868291e4 [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 11: 0x55db9b17e78f - std::rt::lang_start::{{closure}}::h191f483590d8ce58 [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55db9bc51b52 - std::panicking::try::do_call::h4229575cbf8e822e [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x55db9bc5a2e9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 14: 0x55db9bc5271c - std::rt::lang_start_internal::h678ff95cc6cd5bca [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: 0x55db9b17e768 - std::rt::lang_start::h6ba20f92d43d3ef4 [INFO] [stderr] at /rustc/47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55db9b182a59 - main [INFO] [stderr] 17: 0x7f134c2292e0 - __libc_start_main [INFO] [stderr] 18: 0x55db9b17e619 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "9d7a2d917afaee364f2c70466b6bd67e530f332f53c2ffd34c0b3090efa3e10f"` [INFO] running `"docker" "rm" "-f" "9d7a2d917afaee364f2c70466b6bd67e530f332f53c2ffd34c0b3090efa3e10f"` [INFO] [stdout] 9d7a2d917afaee364f2c70466b6bd67e530f332f53c2ffd34c0b3090efa3e10f