[INFO] updating cached repository marionebl/rust-by-example-exercises
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marionebl/rust-by-example-exercises
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marionebl/rust-by-example-exercises" "work/ex/beta-1.37-6/sources/1.36.0/gh/marionebl/rust-by-example-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/marionebl/rust-by-example-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marionebl/rust-by-example-exercises" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marionebl/rust-by-example-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marionebl/rust-by-example-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b22ea9a4d0448f54fdbc20b0d014f13f44ae816e
[INFO] sha for GitHub repo marionebl/rust-by-example-exercises: b22ea9a4d0448f54fdbc20b0d014f13f44ae816e
[INFO] validating manifest of marionebl/rust-by-example-exercises 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 marionebl/rust-by-example-exercises 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 marionebl/rust-by-example-exercises
[INFO] finished frobbing marionebl/rust-by-example-exercises
[INFO] frobbed toml for marionebl/rust-by-example-exercises written to work/ex/beta-1.37-6/sources/1.36.0/gh/marionebl/rust-by-example-exercises/Cargo.toml
[INFO] started frobbing marionebl/rust-by-example-exercises
[INFO] finished frobbing marionebl/rust-by-example-exercises
[INFO] frobbed toml for marionebl/rust-by-example-exercises written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marionebl/rust-by-example-exercises/Cargo.toml
[INFO] crate marionebl/rust-by-example-exercises 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 marionebl/rust-by-example-exercises against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marionebl/rust-by-example-exercises:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 9c3954cb0c5c719aa237ac56f94f8d8ee9b9e9ad10d3244b739cb49721b9ec32
[INFO] running `"docker" "start" "-a" "9c3954cb0c5c719aa237ac56f94f8d8ee9b9e9ad10d3244b739cb49721b9ec32"`
[INFO] [stderr]    Compiling rust-by-example-exercises v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stderr]  --> src/bin/3-2-1-enums.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![allow(unused_doc_comment)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/3-2-1-enums.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     /// "my_text".to_owned() ~= String::from("my_text");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 41 |     let pasted = WebEvent::Paste("my text".to_owned());
[INFO] [stderr]    |     --------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: expected item, found `36`
[INFO] [stderr]   --> src/bin/13-5-2-generic-bounds-multiple.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | 36
[INFO] [stderr]    | ^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-by-example-exercises`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]  --> src/bin/8-5-3-match-binding.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |         n @ 1 ... 12 => println!("Child of age {}", n),
[INFO] [stderr]   |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]  --> src/bin/8-5-3-match-binding.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |         n @ 13 ... 19 => println!("Teen of age {}", n),
[INFO] [stderr]   |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9c3954cb0c5c719aa237ac56f94f8d8ee9b9e9ad10d3244b739cb49721b9ec32"`
[INFO] running `"docker" "rm" "-f" "9c3954cb0c5c719aa237ac56f94f8d8ee9b9e9ad10d3244b739cb49721b9ec32"`
[INFO] [stdout] 9c3954cb0c5c719aa237ac56f94f8d8ee9b9e9ad10d3244b739cb49721b9ec32