[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#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmlingPalantir%2F20190117-rustc-bug" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AmlingPalantir/20190117-rustc-bug on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3184bf74dbf4bfa484b4045b0a57f9c73735cc1529a743d943631687a7a81a0
[INFO] running `Command { std: "docker" "start" "-a" "c3184bf74dbf4bfa484b4045b0a57f9c73735cc1529a743d943631687a7a81a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3184bf74dbf4bfa484b4045b0a57f9c73735cc1529a743d943631687a7a81a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3184bf74dbf4bfa484b4045b0a57f9c73735cc1529a743d943631687a7a81a0", kill_on_drop: false }`
[INFO] [stdout] c3184bf74dbf4bfa484b4045b0a57f9c73735cc1529a743d943631687a7a81a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d68199da490da362eb31064e1d9828cc69320bee03c00e5f5eddfb82c322ab7
[INFO] running `Command { std: "docker" "start" "-a" "1d68199da490da362eb31064e1d9828cc69320bee03c00e5f5eddfb82c322ab7", 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] [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] [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" "1d68199da490da362eb31064e1d9828cc69320bee03c00e5f5eddfb82c322ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d68199da490da362eb31064e1d9828cc69320bee03c00e5f5eddfb82c322ab7", kill_on_drop: false }`
[INFO] [stdout] 1d68199da490da362eb31064e1d9828cc69320bee03c00e5f5eddfb82c322ab7