[INFO] fetching crate wkt 0.8.0...
[INFO] checking wkt-0.8.0 against beta for pr-78714
[INFO] extracting crate wkt 0.8.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate wkt 0.8.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wkt 0.8.0
[INFO] finished tweaking crates.io crate wkt 0.8.0
[INFO] tweaked toml for crates.io crate wkt 0.8.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b355d975405bfbad0ed5c730064534d3d9d38f123be190f456ed8a7539c873ba
[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" "b355d975405bfbad0ed5c730064534d3d9d38f123be190f456ed8a7539c873ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b355d975405bfbad0ed5c730064534d3d9d38f123be190f456ed8a7539c873ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b355d975405bfbad0ed5c730064534d3d9d38f123be190f456ed8a7539c873ba", kill_on_drop: false }`
[INFO] [stdout] b355d975405bfbad0ed5c730064534d3d9d38f123be190f456ed8a7539c873ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4255dadd40c2a493e989ea8ddf3f1800a27fe447aa0767ac1ee115cf07e380b2
[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" "4255dadd40c2a493e989ea8ddf3f1800a27fe447aa0767ac1ee115cf07e380b2", kill_on_drop: false }`
[INFO] [stderr]     Checking wkt v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `criterion::Criterion`
[INFO] [stdout]  --> benches/parse.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use criterion::Criterion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed for `Wkt<T>`
[INFO] [stdout]   --> benches/parse.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |             let _ = wkt::Wkt::from_str(s).unwrap();
[INFO] [stdout]    |                 -   ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 consider giving this pattern the explicit type `Wkt<T>`, where the type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `_: num_traits::float::Float`
[INFO] [stdout]    = note: required by `Wkt::<T>::from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wkt`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4255dadd40c2a493e989ea8ddf3f1800a27fe447aa0767ac1ee115cf07e380b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4255dadd40c2a493e989ea8ddf3f1800a27fe447aa0767ac1ee115cf07e380b2", kill_on_drop: false }`
[INFO] [stdout] 4255dadd40c2a493e989ea8ddf3f1800a27fe447aa0767ac1ee115cf07e380b2