[INFO] cloning repository https://github.com/ErikHedman23/return_types_impl_traits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErikHedman23/return_types_impl_traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikHedman23%2Freturn_types_impl_traits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikHedman23%2Freturn_types_impl_traits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4a94fc0af887932886c7402b1dd77940571f7c9
[INFO] checking ErikHedman23/return_types_impl_traits against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikHedman23%2Freturn_types_impl_traits" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ErikHedman23/return_types_impl_traits
[INFO] finished tweaking git repo https://github.com/ErikHedman23/return_types_impl_traits
[INFO] tweaked toml for git repo https://github.com/ErikHedman23/return_types_impl_traits written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ErikHedman23/return_types_impl_traits on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ErikHedman23/return_types_impl_traits 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d942f49fe7f90fd7b7b7de6465d713eed2a393e90e27f5613a3d5d5abd78a9d
[INFO] running `Command { std: "docker" "start" "-a" "5d942f49fe7f90fd7b7b7de6465d713eed2a393e90e27f5613a3d5d5abd78a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d942f49fe7f90fd7b7b7de6465d713eed2a393e90e27f5613a3d5d5abd78a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d942f49fe7f90fd7b7b7de6465d713eed2a393e90e27f5613a3d5d5abd78a9d", kill_on_drop: false }`
[INFO] [stdout] 5d942f49fe7f90fd7b7b7de6465d713eed2a393e90e27f5613a3d5d5abd78a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa440ddd5e04842ff89c3e3ee13603d0a187050521f64cfd479650eb94c7a57d
[INFO] running `Command { std: "docker" "start" "-a" "fa440ddd5e04842ff89c3e3ee13603d0a187050521f64cfd479650eb94c7a57d", kill_on_drop: false }`
[INFO] [stderr]     Checking return_types_impl_traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_diplayable(choice: bool) -> impl fmt::Display {
[INFO] [stdout]   |                                    ----------------- expected `{integer}` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 8 |         return "thirteen";
[INFO] [stdout]   |                ^^^^^^^^^^ expected integer, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `return_types_impl_traits` (bin "return_types_impl_traits") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_diplayable(choice: bool) -> impl fmt::Display {
[INFO] [stdout]   |                                    ----------------- expected `{integer}` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 8 |         return "thirteen";
[INFO] [stdout]   |                ^^^^^^^^^^ expected integer, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `return_types_impl_traits` (bin "return_types_impl_traits" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fa440ddd5e04842ff89c3e3ee13603d0a187050521f64cfd479650eb94c7a57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa440ddd5e04842ff89c3e3ee13603d0a187050521f64cfd479650eb94c7a57d", kill_on_drop: false }`
[INFO] [stdout] fa440ddd5e04842ff89c3e3ee13603d0a187050521f64cfd479650eb94c7a57d
