[INFO] cloning repository https://github.com/Delorus/rust_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Delorus/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelorus%2Frust_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelorus%2Frust_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85e9ac89dac5dca12156acf98619a6a7add91951
[INFO] checking Delorus/rust_learning against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelorus%2Frust_learning" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Delorus/rust_learning on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Delorus/rust_learning
[INFO] finished tweaking git repo https://github.com/Delorus/rust_learning
[INFO] tweaked toml for git repo https://github.com/Delorus/rust_learning written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Delorus/rust_learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82a13b0ce7200feb6fc3751e37d4573da8a1add030183e6a3257fd0071c50808
[INFO] running `Command { std: "docker" "start" "-a" "82a13b0ce7200feb6fc3751e37d4573da8a1add030183e6a3257fd0071c50808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a13b0ce7200feb6fc3751e37d4573da8a1add030183e6a3257fd0071c50808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a13b0ce7200feb6fc3751e37d4573da8a1add030183e6a3257fd0071c50808", kill_on_drop: false }`
[INFO] [stdout] 82a13b0ce7200feb6fc3751e37d4573da8a1add030183e6a3257fd0071c50808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c497b1ab64be5096a1612012f4afb2a4ca79235aa293ff2f9a4c7c4573f7fb2
[INFO] running `Command { std: "docker" "start" "-a" "9c497b1ab64be5096a1612012f4afb2a4ca79235aa293ff2f9a4c7c4573f7fb2", kill_on_drop: false }`
[INFO] [stderr]     Checking learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/state_pattern.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub fn request_preview(self) -> PendingReviewPost {
[INFO] [stdout]    |                ---------------          ^^^^^^^^^^^^^^^^^ expected `PendingReviewPost`, 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 1 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 `learning` (bin "state_pattern" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]   --> src/bin/adv_types.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 | type Result = result::Result<T, io::Error>;
[INFO] [stdout]    |                              ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/state_pattern.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub fn request_preview(self) -> PendingReviewPost {
[INFO] [stdout]    |                ---------------          ^^^^^^^^^^^^^^^^^ expected `PendingReviewPost`, 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/bin/adv_types.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn never_return() -> ! {
[INFO] [stdout]    |    ------------      ^ expected `!`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `learning` (bin "adv_types" test) due to 3 previous errors
[INFO] [stderr] error: could not compile `learning` (bin "state_pattern") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c497b1ab64be5096a1612012f4afb2a4ca79235aa293ff2f9a4c7c4573f7fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c497b1ab64be5096a1612012f4afb2a4ca79235aa293ff2f9a4c7c4573f7fb2", kill_on_drop: false }`
[INFO] [stdout] 9c497b1ab64be5096a1612012f4afb2a4ca79235aa293ff2f9a4c7c4573f7fb2