[INFO] crate mdbook-epub 0.1.0 is already in cache
[INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/mdbook-epub/0.1.0
[INFO] extracting crate mdbook-epub 0.1.0 into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/mdbook-epub/0.1.0
[INFO] validating manifest of mdbook-epub-0.1.0 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdbook-epub-0.1.0 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-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-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/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-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/mdbook-epub/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mdbook-epub-0.1.0 against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-1/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b9a0837e0fe708c69598778372355a4a248369e66196cf73029ea5fc6b626da2
[INFO] running `"docker" "start" "-a" "b9a0837e0fe708c69598778372355a4a248369e66196cf73029ea5fc6b626da2"`
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking open v1.2.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling jobserver v0.1.12
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]    Compiling globset v0.2.1
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]     Checking toml-query v0.6.0
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking epub-builder v0.3.0
[INFO] [stderr]    Compiling crates-io v0.13.0
[INFO] [stderr]    Compiling mdbook v0.1.8
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking epub v1.2.0
[INFO] [stderr]    Compiling ignore v0.2.2
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.4
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]    Compiling git2-curl v0.7.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling cargo v0.24.0
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]    Compiling mdbook-epub v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/bin/mdbook-epub.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for cause in e.causes().skip(1) {
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/bin/mdbook-epub.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for cause in e.causes().skip(1) {
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `"docker" "inspect" "b9a0837e0fe708c69598778372355a4a248369e66196cf73029ea5fc6b626da2"`
[INFO] running `"docker" "rm" "-f" "b9a0837e0fe708c69598778372355a4a248369e66196cf73029ea5fc6b626da2"`
[INFO] [stdout] b9a0837e0fe708c69598778372355a4a248369e66196cf73029ea5fc6b626da2