[INFO] updating cached repository Geemili/mdproof
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Geemili/mdproof
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Geemili/mdproof" "work/ex/beta-1.38-1/sources/1.37.0/gh/Geemili/mdproof"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Geemili/mdproof'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Geemili/mdproof" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Geemili/mdproof"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Geemili/mdproof'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7cbd275d01f9eb25acf04c258ad2aa6878ce9151
[INFO] sha for GitHub repo Geemili/mdproof: 7cbd275d01f9eb25acf04c258ad2aa6878ce9151
[INFO] validating manifest of Geemili/mdproof on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Geemili/mdproof on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Geemili/mdproof
[INFO] finished frobbing Geemili/mdproof
[INFO] frobbed toml for Geemili/mdproof written to work/ex/beta-1.38-1/sources/1.37.0/gh/Geemili/mdproof/Cargo.toml
[INFO] started frobbing Geemili/mdproof
[INFO] finished frobbing Geemili/mdproof
[INFO] frobbed toml for Geemili/mdproof written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Geemili/mdproof/Cargo.toml
[INFO] crate Geemili/mdproof already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Geemili/mdproof against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Geemili/mdproof:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c34750b63aeb56486be9852619345208769f037807bc90ad128d2530c459f7ad
[INFO] running `"docker" "start" "-a" "c34750b63aeb56486be9852619345208769f037807bc90ad128d2530c459f7ad"`
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling approx v0.3.0
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling lopdf v0.17.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling clap-verbosity-flag v0.1.0
[INFO] [stderr]    Compiling quick-xml v0.13.1
[INFO] [stderr]    Compiling quicli v0.3.1
[INFO] [stderr]    Compiling printpdf v0.2.10
[INFO] [stderr]    Compiling mdproof v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `set_config`
[INFO] [stderr]   --> src/resources.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn set_config(&mut self, config: Config) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BlockQuote`
[INFO] [stderr]   --> src/style.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     BlockQuote(u8),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Note`
[INFO] [stderr]   --> src/style.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Note,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Link`
[INFO] [stderr]   --> src/style.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Superscript`
[INFO] [stderr]   --> src/style.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Superscript,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `"docker" "inspect" "c34750b63aeb56486be9852619345208769f037807bc90ad128d2530c459f7ad"`
[INFO] running `"docker" "rm" "-f" "c34750b63aeb56486be9852619345208769f037807bc90ad128d2530c459f7ad"`
[INFO] [stdout] c34750b63aeb56486be9852619345208769f037807bc90ad128d2530c459f7ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Geemili/mdproof:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa2331e7c074391ae45f27a50d99f010d0fac575f9769e2305f87634cd7549bd
[INFO] running `"docker" "start" "-a" "aa2331e7c074391ae45f27a50d99f010d0fac575f9769e2305f87634cd7549bd"`
[INFO] [stderr]    Compiling mdproof v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `set_config`
[INFO] [stderr]   --> src/resources.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn set_config(&mut self, config: Config) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BlockQuote`
[INFO] [stderr]   --> src/style.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     BlockQuote(u8),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Note`
[INFO] [stderr]   --> src/style.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Note,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Link`
[INFO] [stderr]   --> src/style.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Superscript`
[INFO] [stderr]   --> src/style.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Superscript,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "aa2331e7c074391ae45f27a50d99f010d0fac575f9769e2305f87634cd7549bd"`
[INFO] running `"docker" "rm" "-f" "aa2331e7c074391ae45f27a50d99f010d0fac575f9769e2305f87634cd7549bd"`
[INFO] [stdout] aa2331e7c074391ae45f27a50d99f010d0fac575f9769e2305f87634cd7549bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Geemili/mdproof:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b6d4d6599f685f6868350c58b6b2bcc9814632fa117569929817deb9071ba970
[INFO] running `"docker" "start" "-a" "b6d4d6599f685f6868350c58b6b2bcc9814632fa117569929817deb9071ba970"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mdproof-d9f09c784fc0edfa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mdproof-fc71c31af1863e32
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdproof
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b6d4d6599f685f6868350c58b6b2bcc9814632fa117569929817deb9071ba970"`
[INFO] running `"docker" "rm" "-f" "b6d4d6599f685f6868350c58b6b2bcc9814632fa117569929817deb9071ba970"`
[INFO] [stdout] b6d4d6599f685f6868350c58b6b2bcc9814632fa117569929817deb9071ba970