[INFO] cloning repository https://github.com/AmlingPalantir/20190117-rustc-bug [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmlingPalantir/20190117-rustc-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b05d6c17bb5354753961a49f9b7c2c5afb584a55 [INFO] testing AmlingPalantir/20190117-rustc-bug against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug" "/workspace/builds/worker-36/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AmlingPalantir/20190117-rustc-bug on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AmlingPalantir/20190117-rustc-bug [INFO] finished tweaking git repo https://github.com/AmlingPalantir/20190117-rustc-bug [INFO] tweaked toml for git repo https://github.com/AmlingPalantir/20190117-rustc-bug written to /workspace/builds/worker-36/source/Cargo.toml [INFO] crate git repo https://github.com/AmlingPalantir/20190117-rustc-bug already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2e42a365fbe17a5c3fe3fb3180c36e09d0a2c06d304e6d153379ee2fc8871e2 [INFO] running `Command { std: "docker" "start" "-a" "f2e42a365fbe17a5c3fe3fb3180c36e09d0a2c06d304e6d153379ee2fc8871e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2e42a365fbe17a5c3fe3fb3180c36e09d0a2c06d304e6d153379ee2fc8871e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2e42a365fbe17a5c3fe3fb3180c36e09d0a2c06d304e6d153379ee2fc8871e2", kill_on_drop: false }` [INFO] [stdout] f2e42a365fbe17a5c3fe3fb3180c36e09d0a2c06d304e6d153379ee2fc8871e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f753b74463269574b6b373a467f15398a1819ac221430185e758f3bfe4a93f38 [INFO] running `Command { std: "docker" "start" "-a" "f753b74463269574b6b373a467f15398a1819ac221430185e758f3bfe4a93f38", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling bottom v1.0.0 (/opt/rustwide/workdir/bottom) [INFO] [stderr] Compiling bottom2 v1.0.0 (/opt/rustwide/workdir/bottom2) [INFO] [stderr] Compiling left v1.0.0 (/opt/rustwide/workdir/left) [INFO] [stderr] Compiling right v1.0.0 (/opt/rustwide/workdir/right) [INFO] [stderr] Compiling top v1.0.0 (/opt/rustwide/workdir/top) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> top/src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | fn foo() -> left::Structo { [INFO] [stdout] | ------------- expected `Structo` because of return type [INFO] [stdout] 6 | right::f() [INFO] [stdout] | ^^^^^^^^^^ expected struct `Structo`, found struct `Structo2` [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 `top` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f753b74463269574b6b373a467f15398a1819ac221430185e758f3bfe4a93f38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f753b74463269574b6b373a467f15398a1819ac221430185e758f3bfe4a93f38", kill_on_drop: false }` [INFO] [stdout] f753b74463269574b6b373a467f15398a1819ac221430185e758f3bfe4a93f38