[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 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheiseen%2Ftrait_sample" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heiseen/trait_sample on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-11/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: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f711e5d0664e1c4d7a0e8e33d8b323ff1f1d0d2f9f6c5cef96f2956941b36470
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f711e5d0664e1c4d7a0e8e33d8b323ff1f1d0d2f9f6c5cef96f2956941b36470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f711e5d0664e1c4d7a0e8e33d8b323ff1f1d0d2f9f6c5cef96f2956941b36470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f711e5d0664e1c4d7a0e8e33d8b323ff1f1d0d2f9f6c5cef96f2956941b36470", kill_on_drop: false }`
[INFO] [stdout] f711e5d0664e1c4d7a0e8e33d8b323ff1f1d0d2f9f6c5cef96f2956941b36470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43b07bd0ee16d295c9280d9af3479e5a30c21e36b10414591576aa0bbf42b65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e43b07bd0ee16d295c9280d9af3479e5a30c21e36b10414591576aa0bbf42b65", 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 struct `Tweet`, found struct `NewsArticle`
[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] [stderr] error: could not compile `trait_sample`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e43b07bd0ee16d295c9280d9af3479e5a30c21e36b10414591576aa0bbf42b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43b07bd0ee16d295c9280d9af3479e5a30c21e36b10414591576aa0bbf42b65", kill_on_drop: false }`
[INFO] [stdout] e43b07bd0ee16d295c9280d9af3479e5a30c21e36b10414591576aa0bbf42b65
