[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AmlingPalantir/20190117-rustc-bug on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-46/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 221e2a8f111a45c81e1dbd75efa84706317f440455fd61b9ff57408e0ec430a7
[INFO] running `Command { std: "docker" "start" "-a" "221e2a8f111a45c81e1dbd75efa84706317f440455fd61b9ff57408e0ec430a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "221e2a8f111a45c81e1dbd75efa84706317f440455fd61b9ff57408e0ec430a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221e2a8f111a45c81e1dbd75efa84706317f440455fd61b9ff57408e0ec430a7", kill_on_drop: false }`
[INFO] [stdout] 221e2a8f111a45c81e1dbd75efa84706317f440455fd61b9ff57408e0ec430a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6d98a9b12372b75a7ca807d0fc240f3a458d6bde5c4e661b1f03d7f2c3321d2
[INFO] running `Command { std: "docker" "start" "-a" "d6d98a9b12372b75a7ca807d0fc240f3a458d6bde5c4e661b1f03d7f2c3321d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bottom2 v1.0.0 (/opt/rustwide/workdir/bottom2)
[INFO] [stderr]    Compiling bottom v1.0.0 (/opt/rustwide/workdir/bottom)
[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" "d6d98a9b12372b75a7ca807d0fc240f3a458d6bde5c4e661b1f03d7f2c3321d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d98a9b12372b75a7ca807d0fc240f3a458d6bde5c4e661b1f03d7f2c3321d2", kill_on_drop: false }`
[INFO] [stdout] d6d98a9b12372b75a7ca807d0fc240f3a458d6bde5c4e661b1f03d7f2c3321d2