[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 master#003382e4150984cb476047b3925edf8d75df2d59 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-0/master#003382e4150984cb476047b3925edf8d75df2d59:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/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" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e8310dd82aaa04483cc0641e91a4032e35473714a05eb3f4ea5ae9ecb3a84c21
[INFO] running `"docker" "start" "-a" "e8310dd82aaa04483cc0641e91a4032e35473714a05eb3f4ea5ae9ecb3a84c21"`
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling home v0.3.4
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling jobserver v0.1.13
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]     Checking mustache v0.8.2
[INFO] [stderr]    Compiling tar v0.4.22
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling globset v0.2.1
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]     Checking toml-query v0.6.0
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling curl v0.4.20
[INFO] [stderr]    Compiling mdbook v0.1.8
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking epub-builder v0.3.0
[INFO] [stderr]    Compiling ignore v0.2.2
[INFO] [stderr]     Checking epub v1.2.0
[INFO] [stderr]    Compiling crates-io v0.13.0
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]     Checking elasticlunr-rs v2.3.4
[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]     Checking ammonia v1.2.0
[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-9afefc669415b503/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::hc697883af3abe6a6 (0x564eccce8548)
[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::h0eab774e479a0f15 (0x564ecc3ab5a9)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::or_else::h1f069a9c521c1e1d (0x564ecc5cd154)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/option.rs:714
[INFO] [stderr]    3: error_chain::State::new::h88f6427319834884 (0x564ecc63dd11)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:724
[INFO] [stderr]    4: <core::result::Result<T,E> as cargo::util::errors::CargoResultExt<T>>::chain_err::{{closure}}::h1eec12d4f5019b02 (0x564ecc5a53f9)
[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<T,E>::map_err::h7df62a460a015416 (0x564ecc427c05)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/result.rs:520
[INFO] [stderr]    6: <core::result::Result<T,E> as cargo::util::errors::CargoResultExt<T>>::chain_err::h0a70c455dbcf33d1 (0x564ecc43c7b4)
[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::h88b2809ee14c34d6 (0x564ecc5a1bc0)
[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::h62a809978ed2244c (0x564ecc5a165e)
[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::hf26f3f4e660a58c1 (0x564ecc669024)
[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::h080777177343fbfd (0x564ecc4c9654)
[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::h4fbdb408aafa692d (0x564ecc4c9082)
[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::h974e7d0ea494d730 (0x564ecc254ba9)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:35
[INFO] [stderr]   13: build_script_build::main::h3d51776003ffdcee (0x564ecc25411b)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:18
[INFO] [stderr]   14: std::rt::lang_start::{{closure}}::h68747e61c5cc4c21 (0x564ecc254e2f)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libstd/rt.rs:64
[INFO] [stderr]   15: {{closure}} (0x564eccd253a2)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       do_call<closure,i32>
[INFO] [stderr]              at src/libstd/panicking.rs:293
[INFO] [stderr]   16: __rust_maybe_catch_panic (0x564eccd2db39)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   17: try<i32,closure> (0x564eccd25f6c)
[INFO] [stderr]              at src/libstd/panicking.rs:272
[INFO] [stderr]       catch_unwind<closure,i32>
[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::hadf3c162567bdd0f (0x564ecc254e08)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libstd/rt.rs:64
[INFO] [stderr]   19: main (0x564ecc254d99)
[INFO] [stderr]   20: __libc_start_main (0x7f8bcb4c12e0)
[INFO] [stderr]   21: _start (0x564ecc251359)
[INFO] [stderr]   22: <unknown> (0x0)) })), backtrace: Some(stack backtrace:
[INFO] [stderr]    0: error_chain::make_backtrace::hc697883af3abe6a6 (0x564eccce8548)
[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::h0eab774e479a0f15 (0x564ecc3ab5a9)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/ops/function.rs:231
[INFO] [stderr]    2: core::option::Option<T>::or_else::h1f069a9c521c1e1d (0x564ecc5cd154)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/option.rs:714
[INFO] [stderr]    3: error_chain::State::new::h88f6427319834884 (0x564ecc63dd11)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:724
[INFO] [stderr]    4: <core::result::Result<T,E> as cargo::util::errors::CargoResultExt<T>>::chain_err::{{closure}}::h1eec12d4f5019b02 (0x564ecc5a53f9)
[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<T,E>::map_err::h7df62a460a015416 (0x564ecc427c05)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/result.rs:520
[INFO] [stderr]    6: <core::result::Result<T,E> as cargo::util::errors::CargoResultExt<T>>::chain_err::h0a70c455dbcf33d1 (0x564ecc43c7b4)
[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::h88b2809ee14c34d6 (0x564ecc5a1bc0)
[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::h62a809978ed2244c (0x564ecc5a165e)
[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::hf26f3f4e660a58c1 (0x564ecc669024)
[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::h080777177343fbfd (0x564ecc4c9654)
[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::h4fbdb408aafa692d (0x564ecc4c9082)
[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::h974e7d0ea494d730 (0x564ecc254ba9)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:35
[INFO] [stderr]   13: build_script_build::main::h3d51776003ffdcee (0x564ecc25411b)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:18
[INFO] [stderr]   14: std::rt::lang_start::{{closure}}::h68747e61c5cc4c21 (0x564ecc254e2f)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libstd/rt.rs:64
[INFO] [stderr]   15: {{closure}} (0x564eccd253a2)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       do_call<closure,i32>
[INFO] [stderr]              at src/libstd/panicking.rs:293
[INFO] [stderr]   16: __rust_maybe_catch_panic (0x564eccd2db39)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   17: try<i32,closure> (0x564eccd25f6c)
[INFO] [stderr]              at src/libstd/panicking.rs:272
[INFO] [stderr]       catch_unwind<closure,i32>
[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::hadf3c162567bdd0f (0x564ecc254e08)
[INFO] [stderr]              at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libstd/rt.rs:64
[INFO] [stderr]   19: main (0x564ecc254d99)
[INFO] [stderr]   20: __libc_start_main (0x7f8bcb4c12e0)
[INFO] [stderr]   21: _start (0x564ecc251359)
[INFO] [stderr]   22: <unknown> (0x0)) })', src/libcore/result.rs:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564eccd26693 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h8e85ae08a3e797cb
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x564eccd2217b - std::sys_common::backtrace::_print::ha0d9a76ea3ec9885
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x564eccd25296 - std::panicking::default_hook::{{closure}}::h205e1eb79009c571
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x564eccd25029 - std::panicking::default_hook::h6c409efc334e6f27
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x564eccd2599f - std::panicking::rust_panic_with_hook::h970127bd8802fe05
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x564eccd25521 - std::panicking::continue_panic_fmt::h45451094346d1100
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x564eccd25405 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x564eccd4197c - core::panicking::panic_fmt::h4a25d0ebfee05b42
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x564ecc255164 - core::result::unwrap_failed::h50900af666946832
[INFO] [stderr]                                at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x564ecc2554ad - core::result::Result<T,E>::unwrap::hc2131d0bc430ccff
[INFO] [stderr]                                at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x564ecc25412c - build_script_build::main::h3d51776003ffdcee
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:18
[INFO] [stderr]   11:     0x564ecc254e2f - std::rt::lang_start::{{closure}}::h68747e61c5cc4c21
[INFO] [stderr]                                at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x564eccd253a2 - std::panicking::try::do_call::h2de9acad0220385b
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x564eccd2db39 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x564eccd25f6c - std::rt::lang_start_internal::hc3ac4296be0ee0ec
[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:     0x564ecc254e08 - std::rt::lang_start::hadf3c162567bdd0f
[INFO] [stderr]                                at /rustc/003382e4150984cb476047b3925edf8d75df2d59/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x564ecc254d99 - main
[INFO] [stderr]   17:     0x7f8bcb4c12e0 - __libc_start_main
[INFO] [stderr]   18:     0x564ecc251359 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e8310dd82aaa04483cc0641e91a4032e35473714a05eb3f4ea5ae9ecb3a84c21"`
[INFO] running `"docker" "rm" "-f" "e8310dd82aaa04483cc0641e91a4032e35473714a05eb3f4ea5ae9ecb3a84c21"`
[INFO] [stdout] e8310dd82aaa04483cc0641e91a4032e35473714a05eb3f4ea5ae9ecb3a84c21