[INFO] crate mdbook-epub 0.1.0 is already in cache [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/reg/mdbook-epub/0.1.0 [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/mdbook-epub/0.1.0 [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-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-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/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-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/reg/mdbook-epub/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mdbook-epub-0.1.0 against master#df25d79a33b0c82b716699a75a41bfdc6089850a for pr-59928 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-5/master#df25d79a33b0c82b716699a75a41bfdc6089850a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 55661e07b8548715043818d8e34812a035380cb0263ab52efd51ebe7f54c48f0 [INFO] running `"docker" "start" "-a" "55661e07b8548715043818d8e34812a035380cb0263ab52efd51ebe7f54c48f0"` [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling home v0.3.4 [INFO] [stderr] Compiling hex v0.2.0 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling shell-escape v0.1.4 [INFO] [stderr] Checking is-match v0.1.0 [INFO] [stderr] Checking strum v0.11.0 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling jobserver v0.1.13 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling serde_ignored v0.0.4 [INFO] [stderr] Compiling semver v0.8.0 [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 error-chain v0.11.0 [INFO] [stderr] Compiling globset v0.2.1 [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] Compiling mdbook v0.1.8 [INFO] [stderr] Checking zip v0.2.8 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Compiling curl v0.4.20 [INFO] [stderr] Compiling ignore v0.2.2 [INFO] [stderr] Checking elasticlunr-rs v2.3.4 [INFO] [stderr] Compiling git2 v0.6.11 [INFO] [stderr] Checking epub v1.2.0 [INFO] [stderr] Checking epub-builder v0.3.0 [INFO] [stderr] Checking staticfile v0.5.0 [INFO] [stderr] Compiling crates-io v0.13.0 [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-254a06e23e2857d7/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::h7f0ff6233941fe08 (0x55ca6ffc6d98) [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::ha3fc8ce122ce9583 (0x55ca6f689989) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::h8afe3cdbcb1b273b (0x55ca6f8a82c4) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h5758b8f1f5b6f6cb (0x55ca6f918ae1) [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}}::h11997fa8c1fe196b (0x55ca6f87fa79) [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::hd7026626cf5f2326 (0x55ca6f70bb45) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h013248efd4868505 (0x55ca6f717634) [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::h22a127e9ee8ddd5a (0x55ca6f87c890) [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::ha2a5029960c3e568 (0x55ca6f87c32e) [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::h99828fc88d11ec47 (0x55ca6f943ea4) [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::h4bbb797eb125c219 (0x55ca6f7a44d4) [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::h8781d9c212134c25 (0x55ca6f7a3f02) [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::h2ea14ae4d7c18d4a (0x55ca6f51fbf9) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hc10a7dc33f5f4238 (0x55ca6f51f16b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hcc2fc62ebc5227a8 (0x55ca6f51f0af) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x55ca70016dd2) [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 (0x55ca7001ef69) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x55ca7001799c) [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::h8c2646f067f95e0e (0x55ca6f51f088) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x55ca6f51fde9) [INFO] [stderr] 20: __libc_start_main (0x7fdba01162e0) [INFO] [stderr] 21: _start (0x55ca6f51e499) [INFO] [stderr] 22: (0x0)) })), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::h7f0ff6233941fe08 (0x55ca6ffc6d98) [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::ha3fc8ce122ce9583 (0x55ca6f689989) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::h8afe3cdbcb1b273b (0x55ca6f8a82c4) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h5758b8f1f5b6f6cb (0x55ca6f918ae1) [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}}::h11997fa8c1fe196b (0x55ca6f87fa79) [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::hd7026626cf5f2326 (0x55ca6f70bb45) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h013248efd4868505 (0x55ca6f717634) [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::h22a127e9ee8ddd5a (0x55ca6f87c890) [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::ha2a5029960c3e568 (0x55ca6f87c32e) [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::h99828fc88d11ec47 (0x55ca6f943ea4) [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::h4bbb797eb125c219 (0x55ca6f7a44d4) [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::h8781d9c212134c25 (0x55ca6f7a3f02) [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::h2ea14ae4d7c18d4a (0x55ca6f51fbf9) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hc10a7dc33f5f4238 (0x55ca6f51f16b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hcc2fc62ebc5227a8 (0x55ca6f51f0af) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x55ca70016dd2) [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 (0x55ca7001ef69) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x55ca7001799c) [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::h8c2646f067f95e0e (0x55ca6f51f088) [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x55ca6f51fde9) [INFO] [stderr] 20: __libc_start_main (0x7fdba01162e0) [INFO] [stderr] 21: _start (0x55ca6f51e499) [INFO] [stderr] 22: (0x0)) })', src/libcore/result.rs:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ca700180c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h998473333b6173fd [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55ca7001353b - std::sys_common::backtrace::_print::h7319fdc7898c609c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55ca70016cc6 - std::panicking::default_hook::{{closure}}::he0ea18480832534c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55ca70016a59 - std::panicking::default_hook::h5860d8261b6f7347 [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55ca700173cf - std::panicking::rust_panic_with_hook::h4edf41dc8786027d [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55ca70016f51 - std::panicking::continue_panic_fmt::hac7094691b749a9f [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55ca70016e35 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55ca70032dbc - core::panicking::panic_fmt::h56f12d13ec8a0d94 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55ca6f51ed84 - core::result::unwrap_failed::hbb8bba15804f95a9 [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55ca6f51ef8d - core::result::Result::unwrap::h5d19e57db7210e7b [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x55ca6f51f17c - build_script_build::main::hc10a7dc33f5f4238 [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 11: 0x55ca6f51f0af - std::rt::lang_start::{{closure}}::hcc2fc62ebc5227a8 [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55ca70016dd2 - std::panicking::try::do_call::hc4555bf6034eaeaa [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x55ca7001ef69 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 14: 0x55ca7001799c - std::rt::lang_start_internal::h4d7765d05754457a [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: 0x55ca6f51f088 - std::rt::lang_start::h8c2646f067f95e0e [INFO] [stderr] at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x55ca6f51fde9 - main [INFO] [stderr] 17: 0x7fdba01162e0 - __libc_start_main [INFO] [stderr] 18: 0x55ca6f51e499 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "55661e07b8548715043818d8e34812a035380cb0263ab52efd51ebe7f54c48f0"` [INFO] running `"docker" "rm" "-f" "55661e07b8548715043818d8e34812a035380cb0263ab52efd51ebe7f54c48f0"` [INFO] [stdout] 55661e07b8548715043818d8e34812a035380cb0263ab52efd51ebe7f54c48f0