[INFO] crate mdbook-epub 0.2.0 is already in cache [INFO] extracting crate mdbook-epub 0.2.0 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/mdbook-epub/0.2.0 [INFO] extracting crate mdbook-epub 0.2.0 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/mdbook-epub/0.2.0 [INFO] validating manifest of mdbook-epub-0.2.0 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-epub-0.2.0 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mdbook-epub-0.2.0 [INFO] finished frobbing mdbook-epub-0.2.0 [INFO] frobbed toml for mdbook-epub-0.2.0 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/mdbook-epub/0.2.0/Cargo.toml [INFO] started frobbing mdbook-epub-0.2.0 [INFO] finished frobbing mdbook-epub-0.2.0 [INFO] frobbed toml for mdbook-epub-0.2.0 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/mdbook-epub/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mdbook-epub-0.2.0 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/mdbook-epub/0.2.0:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 15a0244db12d19d2868c5c50eb5ae9ba9fdf449752041f70d9f4a6a249754706 [INFO] running `"docker" "start" "-a" "15a0244db12d19d2868c5c50eb5ae9ba9fdf449752041f70d9f4a6a249754706"` [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling shell-escape v0.1.4 [INFO] [stderr] Compiling home v0.3.4 [INFO] [stderr] Compiling hex v0.2.0 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling jobserver v0.1.13 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling serde_ignored v0.0.4 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling tar v0.4.23 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling pest_generator v2.1.0 [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 ws v0.7.9 [INFO] [stderr] Compiling curl v0.4.21 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Checking toml-query v0.7.0 [INFO] [stderr] Checking zip v0.2.8 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling ignore v0.2.2 [INFO] [stderr] Checking epub-builder v0.3.0 [INFO] [stderr] Checking epub v1.2.0 [INFO] [stderr] Checking html5ever v0.22.5 [INFO] [stderr] Compiling git2 v0.6.11 [INFO] [stderr] Checking elasticlunr-rs v2.3.4 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Compiling crates-io v0.13.0 [INFO] [stderr] Checking ammonia v1.2.0 [INFO] [stderr] Checking mdbook v0.2.3 [INFO] [stderr] Compiling git2-curl v0.7.0 [INFO] [stderr] Compiling cargo v0.24.0 [INFO] [stderr] Compiling mdbook-epub v0.2.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `mdbook-epub v0.2.0 (/opt/crater/workdir)` [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mdbook-epub-5825bed9f4efad1c/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::h791c201f5afd6865 (0x563d18b54a88) [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::h787f50b41da9ebc2 (0x563d1821d809) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::hf381fd5a92cf49c8 (0x563d1843cd04) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/option.rs:716 [INFO] [stderr] 3: error_chain::State::new::h87e5ede98103334f (0x563d184ad131) [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}}::hdbefeb74dc9e5adc (0x563d18418ff9) [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::h0e66270ffd50c4ec (0x563d1828a205) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/result.rs:522 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::hcf0c028102a0fbb1 (0x563d182acd34) [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::hfae47ef7a38f358b (0x563d18410ee0) [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::hb6b712dcd7429178 (0x563d1841097e) [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::hfb6c8931d2fb9fe7 (0x563d184d8624) [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::h4e3211e63942f5ed (0x563d18338b04) [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::ha8f3037a0d7aaf48 (0x563d18338532) [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::hfdade068946be098 (0x563d180b6cf9) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hb411d1e8f45f65c3 (0x563d180b626b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::h683185b70e18da55 (0x563d180b614f) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x563d18ba44e2) [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 (0x563d18bac6c9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 17: try (0x563d18ba50ac) [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::h64dc4496eb521030 (0x563d180b6128) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x563d180b6ee9) [INFO] [stderr] 20: __libc_start_main (0x7fa7baad32e0) [INFO] [stderr] 21: _start (0x563d180b2a59) [INFO] [stderr] 22: (0x0)) })), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::h791c201f5afd6865 (0x563d18b54a88) [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::h787f50b41da9ebc2 (0x563d1821d809) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::hf381fd5a92cf49c8 (0x563d1843cd04) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/option.rs:716 [INFO] [stderr] 3: error_chain::State::new::h87e5ede98103334f (0x563d184ad131) [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}}::hdbefeb74dc9e5adc (0x563d18418ff9) [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::h0e66270ffd50c4ec (0x563d1828a205) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/result.rs:522 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::hcf0c028102a0fbb1 (0x563d182acd34) [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::hfae47ef7a38f358b (0x563d18410ee0) [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::hb6b712dcd7429178 (0x563d1841097e) [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::hfb6c8931d2fb9fe7 (0x563d184d8624) [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::h4e3211e63942f5ed (0x563d18338b04) [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::ha8f3037a0d7aaf48 (0x563d18338532) [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::hfdade068946be098 (0x563d180b6cf9) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hb411d1e8f45f65c3 (0x563d180b626b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::h683185b70e18da55 (0x563d180b614f) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x563d18ba44e2) [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 (0x563d18bac6c9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 17: try (0x563d18ba50ac) [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::h64dc4496eb521030 (0x563d180b6128) [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x563d180b6ee9) [INFO] [stderr] 20: __libc_start_main (0x7fa7baad32e0) [INFO] [stderr] 21: _start (0x563d180b2a59) [INFO] [stderr] 22: (0x0)) })', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x563d18ba57d3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h7f08204c27b0467a [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x563d18ba0c4b - std::sys_common::backtrace::_print::hd9dacd169df81122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x563d18ba43d6 - std::panicking::default_hook::{{closure}}::hb63012d2be6755b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x563d18ba4169 - std::panicking::default_hook::h3efd6a8a707ee89e [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x563d18ba4adf - std::panicking::rust_panic_with_hook::h4f5c00b20be3bea5 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x563d18ba4661 - std::panicking::continue_panic_fmt::h59833cd39bf8ae68 [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x563d18ba4545 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x563d18bc051c - core::panicking::panic_fmt::h8d9101a62a895e30 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x563d180b2d74 - core::result::unwrap_failed::h06e06882aadf97fd [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x563d180b2f8d - core::result::Result::unwrap::h6965ab7926a085c3 [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x563d180b627c - build_script_build::main::hb411d1e8f45f65c3 [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 11: 0x563d180b614f - std::rt::lang_start::{{closure}}::h683185b70e18da55 [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x563d18ba44e2 - std::panicking::try::do_call::h44a7db9f8ace0499 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x563d18bac6c9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x563d18ba50ac - std::rt::lang_start_internal::h5d2b2de4d9a7c9cd [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: 0x563d180b6128 - std::rt::lang_start::h64dc4496eb521030 [INFO] [stderr] at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x563d180b6ee9 - main [INFO] [stderr] 17: 0x7fa7baad32e0 - __libc_start_main [INFO] [stderr] 18: 0x563d180b2a59 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "15a0244db12d19d2868c5c50eb5ae9ba9fdf449752041f70d9f4a6a249754706"` [INFO] running `"docker" "rm" "-f" "15a0244db12d19d2868c5c50eb5ae9ba9fdf449752041f70d9f4a6a249754706"` [INFO] [stdout] 15a0244db12d19d2868c5c50eb5ae9ba9fdf449752041f70d9f4a6a249754706