[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] checking AmlingPalantir/20190117-rustc-bug against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AmlingPalantir/20190117-rustc-bug on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6d7584f1d1caa26c3180b1fff45aa19d72afd83569558d96b206cd9adc5ffd91 [INFO] running `Command { std: "docker" "start" "-a" "6d7584f1d1caa26c3180b1fff45aa19d72afd83569558d96b206cd9adc5ffd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d7584f1d1caa26c3180b1fff45aa19d72afd83569558d96b206cd9adc5ffd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d7584f1d1caa26c3180b1fff45aa19d72afd83569558d96b206cd9adc5ffd91", kill_on_drop: false }` [INFO] [stdout] 6d7584f1d1caa26c3180b1fff45aa19d72afd83569558d96b206cd9adc5ffd91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fda8a5aab0ea409471902604f0229a206a97f6704de841161a79775c6968731b [INFO] running `Command { std: "docker" "start" "-a" "fda8a5aab0ea409471902604f0229a206a97f6704de841161a79775c6968731b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking bottom2 v1.0.0 (/opt/rustwide/workdir/bottom2) [INFO] [stderr] Checking bottom v1.0.0 (/opt/rustwide/workdir/bottom) [INFO] [stderr] Checking right v1.0.0 (/opt/rustwide/workdir/right) [INFO] [stderr] Checking left v1.0.0 (/opt/rustwide/workdir/left) [INFO] [stderr] Checking top v1.0.0 (/opt/rustwide/workdir/top) [INFO] [stderr] error: could not compile `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] [stderr] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: build failed [INFO] running `Command { std: "docker" "inspect" "fda8a5aab0ea409471902604f0229a206a97f6704de841161a79775c6968731b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fda8a5aab0ea409471902604f0229a206a97f6704de841161a79775c6968731b", kill_on_drop: false }` [INFO] [stdout] fda8a5aab0ea409471902604f0229a206a97f6704de841161a79775c6968731b