[INFO] fetching crate display-link 0.2.0...
[INFO] testing display-link-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate display-link 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate display-link 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate display-link 0.2.0
[INFO] finished tweaking crates.io crate display-link 0.2.0
[INFO] tweaked toml for crates.io crate display-link 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 119b367d62e7d84a7b0d617930d3b8ffb8b024a879888206dbac4cbbdeb721c9
[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" "119b367d62e7d84a7b0d617930d3b8ffb8b024a879888206dbac4cbbdeb721c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119b367d62e7d84a7b0d617930d3b8ffb8b024a879888206dbac4cbbdeb721c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119b367d62e7d84a7b0d617930d3b8ffb8b024a879888206dbac4cbbdeb721c9", kill_on_drop: false }`
[INFO] [stdout] 119b367d62e7d84a7b0d617930d3b8ffb8b024a879888206dbac4cbbdeb721c9
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08763c97f39cb250cfc43f0e7917ecbef530207a3eb8e0b593f7d1c48d88be7e
[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" "08763c97f39cb250cfc43f0e7917ecbef530207a3eb8e0b593f7d1c48d88be7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-point v0.1.1
[INFO] [stderr]    Compiling display-link v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PlatformDisplayLink`
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         PlatformDisplayLink::new(callback).map(DisplayLink)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ use of undeclared type `PlatformDisplayLink`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PlatformDisplayLink` in this scope
[INFO] [stdout]   --> src/lib.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DisplayLink(PlatformDisplayLink);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `display-link`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "08763c97f39cb250cfc43f0e7917ecbef530207a3eb8e0b593f7d1c48d88be7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08763c97f39cb250cfc43f0e7917ecbef530207a3eb8e0b593f7d1c48d88be7e", kill_on_drop: false }`
[INFO] [stdout] 08763c97f39cb250cfc43f0e7917ecbef530207a3eb8e0b593f7d1c48d88be7e