[INFO] crate mdbook-epub 0.1.0 is already in cache [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/mdbook-epub/0.1.0 [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/mdbook-epub/0.1.0 [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-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-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/mdbook-epub/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mdbook-epub-0.1.0 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1dfab9190def9cec13cc0c83802820685c53908b2defb04308e2a9fd7165bbc2 [INFO] running `"docker" "start" "-a" "1dfab9190def9cec13cc0c83802820685c53908b2defb04308e2a9fd7165bbc2"` [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling home v0.3.4 [INFO] [stderr] Compiling shell-escape v0.1.4 [INFO] [stderr] Compiling hex v0.2.0 [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] Compiling termcolor v0.3.6 [INFO] [stderr] Checking is-match v0.1.0 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling jobserver v0.1.12 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling serde_ignored v0.0.4 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling tar v0.4.20 [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 curl-sys v0.4.16 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling globset v0.2.1 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Checking toml-query v0.6.0 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Compiling curl v0.4.19 [INFO] [stderr] Checking zip v0.4.2 [INFO] [stderr] Compiling mdbook v0.1.8 [INFO] [stderr] Compiling git2 v0.6.11 [INFO] [stderr] Checking epub-builder v0.3.0 [INFO] [stderr] Compiling ignore v0.2.2 [INFO] [stderr] Compiling crates-io v0.13.0 [INFO] [stderr] Checking epub v1.2.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling markup5ever v0.7.5 [INFO] [stderr] Checking elasticlunr-rs v2.3.4 [INFO] [stderr] Checking mount v0.4.0 [INFO] [stderr] Checking staticfile v0.5.0 [INFO] [stderr] Checking html5ever v0.22.5 [INFO] [stderr] Compiling git2-curl v0.7.0 [INFO] [stderr] Compiling cargo v0.24.0 [INFO] [stderr] Checking ammonia v1.2.0 [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-2d9340855679254e/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::h0b5de5f44eec9410 (0x557338f9a24e) [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::h17d7cb2a3eaafb02 (0x5573386cfbb9) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: >::or_else::h4061c55afa015311 (0x5573388458e2) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::hd3e1ef5ee483bfa3 (0x5573388983b1) [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}}::hd78e7e546fdf87e0 (0x5573387f3169) [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::h95c93557ca1e63d0 (0x55733869b11a) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h1bef087bf7d1e739 (0x5573386ae8b4) [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::h9e4e67d3656bd5e8 (0x5573387eb380) [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::hc3765e27e672d39e (0x5573387eae1e) [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::hc494ad3eb0fe4173 (0x5573388b49ab) [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::h76586899b95ade4d (0x5573387420ce) [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::hd2a449883fbf4d32 (0x557338741af9) [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::h044b84905fb8a476 (0x5573385142fa) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hd82c2494b18ec582 (0x55733851387b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::he04105899faf04e7 (0x5573385137df) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x557338fd5792) [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 (0x557338fde299) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x557338fd635c) [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::hc25f0634d62f87f5 (0x5573385137b8) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x5573385144e9) [INFO] [stderr] 20: __libc_start_main (0x7f8075a352e0) [INFO] [stderr] 21: _start (0x5573385130c9) [INFO] [stderr] 22: (0x0)) })), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::h0b5de5f44eec9410 (0x557338f9a24e) [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::h17d7cb2a3eaafb02 (0x5573386cfbb9) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: >::or_else::h4061c55afa015311 (0x5573388458e2) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::hd3e1ef5ee483bfa3 (0x5573388983b1) [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}}::hd78e7e546fdf87e0 (0x5573387f3169) [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::h95c93557ca1e63d0 (0x55733869b11a) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::h1bef087bf7d1e739 (0x5573386ae8b4) [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::h9e4e67d3656bd5e8 (0x5573387eb380) [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::hc3765e27e672d39e (0x5573387eae1e) [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::hc494ad3eb0fe4173 (0x5573388b49ab) [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::h76586899b95ade4d (0x5573387420ce) [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::hd2a449883fbf4d32 (0x557338741af9) [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::h044b84905fb8a476 (0x5573385142fa) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::hd82c2494b18ec582 (0x55733851387b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::he04105899faf04e7 (0x5573385137df) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x557338fd5792) [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 (0x557338fde299) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x557338fd635c) [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::hc25f0634d62f87f5 (0x5573385137b8) [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x5573385144e9) [INFO] [stderr] 20: __libc_start_main (0x7f8075a352e0) [INFO] [stderr] 21: _start (0x5573385130c9) [INFO] [stderr] 22: (0x0)) })', src/libcore/result.rs:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557338fd6b33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h7aadc0cd0200bfa1 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x557338fd28bb - std::sys_common::backtrace::_print::habd134a286bfba38 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:70 [INFO] [stderr] 2: 0x557338fd5686 - std::panicking::default_hook::{{closure}}::hd94f18835aba473a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:58 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 3: 0x557338fd5404 - std::panicking::default_hook::h99a92ddce85dceb4 [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 4: 0x557338fd5d8f - std::panicking::rust_panic_with_hook::h8bcb3c7c60705e36 [INFO] [stderr] at src/libstd/panicking.rs:478 [INFO] [stderr] 5: 0x557338fd5911 - std::panicking::continue_panic_fmt::h4b094e2850b015aa [INFO] [stderr] at src/libstd/panicking.rs:385 [INFO] [stderr] 6: 0x557338fd57f5 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:312 [INFO] [stderr] 7: 0x557338ff20ac - core::panicking::panic_fmt::h265501f9140f9667 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x557338513694 - core::result::unwrap_failed::hc9983f2d656782ad [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/macros.rs:17 [INFO] [stderr] 9: 0x55733851328d - >::unwrap::h0179db4aaea75780 [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x55733851388c - build_script_build::main::hd82c2494b18ec582 [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 11: 0x5573385137df - std::rt::lang_start::{{closure}}::he04105899faf04e7 [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x557338fd5792 - std::panicking::try::do_call::h435a7fe0c4ef258b [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 13: 0x557338fde299 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 14: 0x557338fd635c - std::rt::lang_start_internal::hb1a1620f4024e611 [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: 0x5573385137b8 - std::rt::lang_start::hc25f0634d62f87f5 [INFO] [stderr] at /rustc/f66e4697ae286985ddefc53c3a047614568458bb/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x5573385144e9 - main [INFO] [stderr] 17: 0x7f8075a352e0 - __libc_start_main [INFO] [stderr] 18: 0x5573385130c9 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "1dfab9190def9cec13cc0c83802820685c53908b2defb04308e2a9fd7165bbc2"` [INFO] running `"docker" "rm" "-f" "1dfab9190def9cec13cc0c83802820685c53908b2defb04308e2a9fd7165bbc2"` [INFO] [stdout] 1dfab9190def9cec13cc0c83802820685c53908b2defb04308e2a9fd7165bbc2