[INFO] crate mdbook-epub 0.1.0 is already in cache [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/mdbook-epub/0.1.0 [INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/mdbook-epub/0.1.0 [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-epub-0.1.0 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/mdbook-epub/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mdbook-epub-0.1.0 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 364a693265a10269fd8545b1d2fb661fc854d6f1f380a7dd0b8e159ab850bfc7 [INFO] running `"docker" "start" "-a" "364a693265a10269fd8545b1d2fb661fc854d6f1f380a7dd0b8e159ab850bfc7"` [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling hex v0.2.0 [INFO] [stderr] Compiling termcolor v0.3.6 [INFO] [stderr] Compiling home v0.3.4 [INFO] [stderr] Compiling shell-escape v0.1.4 [INFO] [stderr] Checking is-match v0.1.0 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling jobserver v0.1.13 [INFO] [stderr] Compiling semver v0.8.0 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling serde_ignored v0.0.4 [INFO] [stderr] Compiling tar v0.4.22 [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] Checking ws v0.7.9 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling curl-sys v0.4.17 [INFO] [stderr] Compiling openssl v0.10.19 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Checking toml-query v0.6.0 [INFO] [stderr] Compiling mdbook v0.1.8 [INFO] [stderr] Compiling ignore v0.2.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling markup5ever v0.7.5 [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] Checking elasticlunr-rs v2.3.4 [INFO] [stderr] Compiling git2 v0.6.11 [INFO] [stderr] Compiling crates-io v0.13.0 [INFO] [stderr] Compiling crypto-hash v0.3.3 [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-f5027f578d785fb1/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::h6e4b9ff9551b9a0c (0x560c4967f548) [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::h7f49274903c24c6a (0x560c48d31729) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::hcfb6101053834941 (0x560c48f52d84) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h96b8101528dc6e00 (0x560c48fc3191) [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}}::hb1b106506560e993 (0x560c48f2e1d9) [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::hf05115810e660b13 (0x560c48db8295) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::hb01d631ed92ee9f8 (0x560c48dc2914) [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::h233129d3ba39a087 (0x560c48f27040) [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::hee86e2d7b25334fc (0x560c48f26ade) [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::h42240fe70ce612d8 (0x560c48fee5d4) [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::h9b64628122cf4939 (0x560c48e4ead4) [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::h93b545e2595f2334 (0x560c48e4e502) [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::hf122c7f08cef9fc4 (0x560c48bda7e9) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::heb7f07f3087defdb (0x560c48bd9d5b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hedc806e100e0b740 (0x560c48bd6f2f) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x560c496bc092) [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 (0x560c496c4bb9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x560c496bcc5c) [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::h0228c2a0996c63e3 (0x560c48bd6f08) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x560c48bda9d9) [INFO] [stderr] 20: __libc_start_main (0x7f3dbb7e42e0) [INFO] [stderr] 21: _start (0x560c48bd65f9) [INFO] [stderr] 22: (0x0)) })), backtrace: Some(stack backtrace: [INFO] [stderr] 0: error_chain::make_backtrace::h6e4b9ff9551b9a0c (0x560c4967f548) [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::h7f49274903c24c6a (0x560c48d31729) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/ops/function.rs:231 [INFO] [stderr] 2: core::option::Option::or_else::hcfb6101053834941 (0x560c48f52d84) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/option.rs:714 [INFO] [stderr] 3: error_chain::State::new::h96b8101528dc6e00 (0x560c48fc3191) [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}}::hb1b106506560e993 (0x560c48f2e1d9) [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::hf05115810e660b13 (0x560c48db8295) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/result.rs:520 [INFO] [stderr] 6: as cargo::util::errors::CargoResultExt>::chain_err::hb01d631ed92ee9f8 (0x560c48dc2914) [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::h233129d3ba39a087 (0x560c48f27040) [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::hee86e2d7b25334fc (0x560c48f26ade) [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::h42240fe70ce612d8 (0x560c48fee5d4) [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::h9b64628122cf4939 (0x560c48e4ead4) [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::h93b545e2595f2334 (0x560c48e4e502) [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::hf122c7f08cef9fc4 (0x560c48bda7e9) [INFO] [stderr] at /opt/crater/workdir/build.rs:35 [INFO] [stderr] 13: build_script_build::main::heb7f07f3087defdb (0x560c48bd9d5b) [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 14: std::rt::lang_start::{{closure}}::hedc806e100e0b740 (0x560c48bd6f2f) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64 [INFO] [stderr] 15: {{closure}} (0x560c496bc092) [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 (0x560c496c4bb9) [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 17: try (0x560c496bcc5c) [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::h0228c2a0996c63e3 (0x560c48bd6f08) [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64 [INFO] [stderr] 19: main (0x560c48bda9d9) [INFO] [stderr] 20: __libc_start_main (0x7f3dbb7e42e0) [INFO] [stderr] 21: _start (0x560c48bd65f9) [INFO] [stderr] 22: (0x0)) })', src/libcore/result.rs:997:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560c496bd383 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h62b0d85f9c8a0c1e [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x560c496b91fb - std::sys_common::backtrace::_print::h7a1acbdfd9a46dca [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x560c496bbf86 - std::panicking::default_hook::{{closure}}::h145cf58405d7b62e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x560c496bbd19 - std::panicking::default_hook::h2c72f204748779fc [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x560c496bc68f - std::panicking::rust_panic_with_hook::h0d1908ec672b6122 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x560c496bc211 - std::panicking::continue_panic_fmt::h1b054ec5d85f42bd [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x560c496bc0f5 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x560c496d89bc - core::panicking::panic_fmt::h82d1666e474cde7a [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x560c48bd6ac4 - core::result::unwrap_failed::h9a12eded927a977c [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/macros.rs:16 [INFO] [stderr] 9: 0x560c48bd6cdd - core::result::Result::unwrap::h17965c8b10e96141 [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/result.rs:798 [INFO] [stderr] 10: 0x560c48bd9d6c - build_script_build::main::heb7f07f3087defdb [INFO] [stderr] at /opt/crater/workdir/build.rs:18 [INFO] [stderr] 11: 0x560c48bd6f2f - std::rt::lang_start::{{closure}}::hedc806e100e0b740 [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x560c496bc092 - std::panicking::try::do_call::ha5fe25206b7efe63 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x560c496c4bb9 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:87 [INFO] [stderr] 14: 0x560c496bcc5c - std::rt::lang_start_internal::he0b4f394f16cd6fc [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: 0x560c48bd6f08 - std::rt::lang_start::h0228c2a0996c63e3 [INFO] [stderr] at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x560c48bda9d9 - main [INFO] [stderr] 17: 0x7f3dbb7e42e0 - __libc_start_main [INFO] [stderr] 18: 0x560c48bd65f9 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "364a693265a10269fd8545b1d2fb661fc854d6f1f380a7dd0b8e159ab850bfc7"` [INFO] running `"docker" "rm" "-f" "364a693265a10269fd8545b1d2fb661fc854d6f1f380a7dd0b8e159ab850bfc7"` [INFO] [stdout] 364a693265a10269fd8545b1d2fb661fc854d6f1f380a7dd0b8e159ab850bfc7