[INFO] updating cached repository warnp/coding_dojo_belote
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/warnp/coding_dojo_belote
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/warnp/coding_dojo_belote" "work/ex/beta-1.38-1/sources/1.37.0/gh/warnp/coding_dojo_belote"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/warnp/coding_dojo_belote'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/warnp/coding_dojo_belote" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/warnp/coding_dojo_belote"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/warnp/coding_dojo_belote'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8425c3103cc90565d6f4bd0cef3a2835b8231a93
[INFO] sha for GitHub repo warnp/coding_dojo_belote: 8425c3103cc90565d6f4bd0cef3a2835b8231a93
[INFO] validating manifest of warnp/coding_dojo_belote 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 warnp/coding_dojo_belote 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 warnp/coding_dojo_belote
[INFO] finished frobbing warnp/coding_dojo_belote
[INFO] frobbed toml for warnp/coding_dojo_belote written to work/ex/beta-1.38-1/sources/1.37.0/gh/warnp/coding_dojo_belote/Cargo.toml
[INFO] started frobbing warnp/coding_dojo_belote
[INFO] finished frobbing warnp/coding_dojo_belote
[INFO] frobbed toml for warnp/coding_dojo_belote written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/warnp/coding_dojo_belote/Cargo.toml
[INFO] crate warnp/coding_dojo_belote 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing warnp/coding_dojo_belote 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/warnp/coding_dojo_belote:/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] 8e31155d39ce83d83c297de7586ac0095ebeb96ff7ce47c04e0a2e62ea310b57
[INFO] running `"docker" "start" "-a" "8e31155d39ce83d83c297de7586ac0095ebeb96ff7ce47c04e0a2e62ea310b57"`
[INFO] [stderr]    Compiling coding_dojo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `card::Card`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use card::Card;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `card_deck::CardDeck`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use card_deck::CardDeck;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing field `cards` in initializer of `card_deck::CardDeck`
[INFO] [stderr]   --> src/card_deck.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         CardDeck{}
[INFO] [stderr]    |         ^^^^^^^^ missing `cards`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0063`.
[INFO] [stderr] error: Could not compile `coding_dojo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8e31155d39ce83d83c297de7586ac0095ebeb96ff7ce47c04e0a2e62ea310b57"`
[INFO] running `"docker" "rm" "-f" "8e31155d39ce83d83c297de7586ac0095ebeb96ff7ce47c04e0a2e62ea310b57"`
[INFO] [stdout] 8e31155d39ce83d83c297de7586ac0095ebeb96ff7ce47c04e0a2e62ea310b57