[INFO] cloning repository https://github.com/groencode/rust_random_card
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/groencode/rust_random_card" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgroencode%2Frust_random_card", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgroencode%2Frust_random_card'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46a607118fbd108858da3c25099e0eb0c984c2f9
[INFO] checking groencode/rust_random_card against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgroencode%2Frust_random_card" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/groencode/rust_random_card on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/groencode/rust_random_card
[INFO] finished tweaking git repo https://github.com/groencode/rust_random_card
[INFO] tweaked toml for git repo https://github.com/groencode/rust_random_card written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/groencode/rust_random_card already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea6035c22a9e4f134e2581155d288b6640b1a48f8f76268ffe6eff2abbe607cb
[INFO] running `Command { std: "docker" "start" "-a" "ea6035c22a9e4f134e2581155d288b6640b1a48f8f76268ffe6eff2abbe607cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea6035c22a9e4f134e2581155d288b6640b1a48f8f76268ffe6eff2abbe607cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6035c22a9e4f134e2581155d288b6640b1a48f8f76268ffe6eff2abbe607cb", kill_on_drop: false }`
[INFO] [stdout] ea6035c22a9e4f134e2581155d288b6640b1a48f8f76268ffe6eff2abbe607cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9812d51ee114053bfbb9bb7cb23b933282a603b79897f74ecbbbe23a37be7d01
[INFO] running `Command { std: "docker" "start" "-a" "9812d51ee114053bfbb9bb7cb23b933282a603b79897f74ecbbbe23a37be7d01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_random_card v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn draw_card(&mut self) -> PlayingCard {
[INFO] [stdout]     |        ---------               ^^^^^^^^^^^ expected struct `PlayingCard`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:120:32
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn draw_card(&mut self) -> PlayingCard {
[INFO] [stdout]     |        ---------               ^^^^^^^^^^^ expected struct `PlayingCard`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_random_card` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9812d51ee114053bfbb9bb7cb23b933282a603b79897f74ecbbbe23a37be7d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9812d51ee114053bfbb9bb7cb23b933282a603b79897f74ecbbbe23a37be7d01", kill_on_drop: false }`
[INFO] [stdout] 9812d51ee114053bfbb9bb7cb23b933282a603b79897f74ecbbbe23a37be7d01