[INFO] cloning repository https://github.com/heiseen/trait_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heiseen/trait_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheiseen%2Ftrait_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheiseen%2Ftrait_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7868427cc4d68fdcb4c30bd01d91e58f03a3f249
[INFO] testing heiseen/trait_sample against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheiseen%2Ftrait_sample" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heiseen/trait_sample on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heiseen/trait_sample
[INFO] finished tweaking git repo https://github.com/heiseen/trait_sample
[INFO] tweaked toml for git repo https://github.com/heiseen/trait_sample written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/heiseen/trait_sample 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e85f93bd7c9fac3346694185a9585d8b034bd738165aedf8383fa2ebb1cd886
[INFO] running `Command { std: "docker" "start" "-a" "7e85f93bd7c9fac3346694185a9585d8b034bd738165aedf8383fa2ebb1cd886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e85f93bd7c9fac3346694185a9585d8b034bd738165aedf8383fa2ebb1cd886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e85f93bd7c9fac3346694185a9585d8b034bd738165aedf8383fa2ebb1cd886", kill_on_drop: false }`
[INFO] [stdout] 7e85f93bd7c9fac3346694185a9585d8b034bd738165aedf8383fa2ebb1cd886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed8181d74dcb6edbe0d1c992278dfd8acd37c7a93b3a38719eebbac2a72527b
[INFO] running `Command { std: "docker" "start" "-a" "0ed8181d74dcb6edbe0d1c992278dfd8acd37c7a93b3a38719eebbac2a72527b", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     notify(tweet, news_article);
[INFO] [stdout]    |     ------ -----  ^^^^^^^^^^^^ expected `Tweet`, found `NewsArticle`
[INFO] [stdout]    |     |      |
[INFO] [stdout]    |     |      expected all arguments to be this `Tweet` type because they need to match the type of this parameter
[INFO] [stdout]    |     arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn notify<T: Summary>(item1: T, item2: T) {
[INFO] [stdout]    |        ^^^^^^ -           --------  -------- this parameter needs to match the `Tweet` type of `item1`
[INFO] [stdout]    |               |           |
[INFO] [stdout]    |               |           `item2` needs to match the `Tweet` type of this parameter
[INFO] [stdout]    |               `item1` and `item2` both reference this parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trait_sample` (bin "trait_sample") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0ed8181d74dcb6edbe0d1c992278dfd8acd37c7a93b3a38719eebbac2a72527b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed8181d74dcb6edbe0d1c992278dfd8acd37c7a93b3a38719eebbac2a72527b", kill_on_drop: false }`
[INFO] [stdout] 0ed8181d74dcb6edbe0d1c992278dfd8acd37c7a93b3a38719eebbac2a72527b