[INFO] updating cached repository gcouvrette/wikistory
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gcouvrette/wikistory
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gcouvrette/wikistory" "work/ex/beta-1.37-6/sources/1.36.0/gh/gcouvrette/wikistory"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gcouvrette/wikistory'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gcouvrette/wikistory" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gcouvrette/wikistory"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gcouvrette/wikistory'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef86edab754b2146052105aba63693377d766a35
[INFO] sha for GitHub repo gcouvrette/wikistory: ef86edab754b2146052105aba63693377d766a35
[INFO] validating manifest of gcouvrette/wikistory on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gcouvrette/wikistory on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gcouvrette/wikistory
[INFO] finished frobbing gcouvrette/wikistory
[INFO] frobbed toml for gcouvrette/wikistory written to work/ex/beta-1.37-6/sources/1.36.0/gh/gcouvrette/wikistory/Cargo.toml
[INFO] started frobbing gcouvrette/wikistory
[INFO] finished frobbing gcouvrette/wikistory
[INFO] frobbed toml for gcouvrette/wikistory written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gcouvrette/wikistory/Cargo.toml
[INFO] crate gcouvrette/wikistory already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gcouvrette/wikistory against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gcouvrette/wikistory:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1e12381fa8684803aaecb51e6dcbd35dda44b725b61e71a12bd167c254cae701
[INFO] running `"docker" "start" "-a" "1e12381fa8684803aaecb51e6dcbd35dda44b725b61e71a12bd167c254cae701"`
[INFO] [stderr]    Compiling htmlstream v0.1.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling reqwest v0.7.3
[INFO] [stderr]    Compiling wikistory v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/xml_wiki_parser/mod.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     if (must_skip_one) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_article`
[INFO] [stderr]   --> src/story_builder/story_builder/mod.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let end_article = self.article_provider
[INFO] [stderr]    |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_end_article`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/story_builder/story_builder/mod.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     let mut current_level = Arc::new(Mutex::new(&mut current_level));
[INFO] [stderr]    |                         ----^^^^^^^^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/xml_wiki_parser/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     data_source.seek(SeekFrom::Start(seek_resume));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/xml_wiki_parser/mod.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         xml_reader.next();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.06s
[INFO] running `"docker" "inspect" "1e12381fa8684803aaecb51e6dcbd35dda44b725b61e71a12bd167c254cae701"`
[INFO] running `"docker" "rm" "-f" "1e12381fa8684803aaecb51e6dcbd35dda44b725b61e71a12bd167c254cae701"`
[INFO] [stdout] 1e12381fa8684803aaecb51e6dcbd35dda44b725b61e71a12bd167c254cae701
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gcouvrette/wikistory:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 50bd75dbef041b742676ceb45ae420d8d486e83105ac99c67dc208fbc23605d0
[INFO] running `"docker" "start" "-a" "50bd75dbef041b742676ceb45ae420d8d486e83105ac99c67dc208fbc23605d0"`
[INFO] [stderr]    Compiling wikistory v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `story_builder::article_provider::*`
[INFO] [stderr]  --> src/story_builder/story_builder/tests.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use story_builder::article_provider::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/xml_wiki_parser/mod.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     if (must_skip_one) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `&[u8]: std::io::Seek` is not satisfied
[INFO] [stderr]  --> src/xml_wiki_parser/tests.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     assert!(generate_index(&mut inp.as_bytes(), &mut out).is_ok());
[INFO] [stderr]   |             ^^^^^^^^^^^^^^ the trait `std::io::Seek` is not implemented for `&[u8]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: required because of the requirements on the impl of `std::io::Seek` for `&mut &[u8]`
[INFO] [stderr] note: required by `xml_wiki_parser::generate_index`
[INFO] [stderr]  --> src/xml_wiki_parser/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn generate_index<R: Read + Seek, W: Read + Write + Seek>(mut data_source: R, mut index_out: W) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::vec::Vec<u8>: std::io::Read` is not satisfied
[INFO] [stderr]  --> src/xml_wiki_parser/tests.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     assert!(generate_index(&mut inp.as_bytes(), &mut out).is_ok());
[INFO] [stderr]   |             ^^^^^^^^^^^^^^ the trait `std::io::Read` is not implemented for `std::vec::Vec<u8>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: required because of the requirements on the impl of `std::io::Read` for `&mut std::vec::Vec<u8>`
[INFO] [stderr] note: required by `xml_wiki_parser::generate_index`
[INFO] [stderr]  --> src/xml_wiki_parser/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn generate_index<R: Read + Seek, W: Read + Write + Seek>(mut data_source: R, mut index_out: W) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::vec::Vec<u8>: std::io::Seek` is not satisfied
[INFO] [stderr]  --> src/xml_wiki_parser/tests.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     assert!(generate_index(&mut inp.as_bytes(), &mut out).is_ok());
[INFO] [stderr]   |             ^^^^^^^^^^^^^^ the trait `std::io::Seek` is not implemented for `std::vec::Vec<u8>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: required because of the requirements on the impl of `std::io::Seek` for `&mut std::vec::Vec<u8>`
[INFO] [stderr] note: required by `xml_wiki_parser::generate_index`
[INFO] [stderr]  --> src/xml_wiki_parser/mod.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn generate_index<R: Read + Seek, W: Read + Write + Seek>(mut data_source: R, mut index_out: W) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_ok` found for type `()` in the current scope
[INFO] [stderr]  --> src/xml_wiki_parser/tests.rs:8:59
[INFO] [stderr]   |
[INFO] [stderr] 8 |     assert!(generate_index(&mut inp.as_bytes(), &mut out).is_ok());
[INFO] [stderr]   |                                                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `wikistory`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "50bd75dbef041b742676ceb45ae420d8d486e83105ac99c67dc208fbc23605d0"`
[INFO] running `"docker" "rm" "-f" "50bd75dbef041b742676ceb45ae420d8d486e83105ac99c67dc208fbc23605d0"`
[INFO] [stdout] 50bd75dbef041b742676ceb45ae420d8d486e83105ac99c67dc208fbc23605d0