[INFO] fetching crate earcutr 0.2.0...
[INFO] checking earcutr-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate earcutr 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate earcutr 0.2.0 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 crates.io crate earcutr 0.2.0
[INFO] finished tweaking crates.io crate earcutr 0.2.0
[INFO] tweaked toml for crates.io crate earcutr 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate earcutr 0.2.0 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0944ade5bc73e993244c93fa9e56742a632b851cbce71c7e3dce73728656528c
[INFO] running `Command { std: "docker" "start" "-a" "0944ade5bc73e993244c93fa9e56742a632b851cbce71c7e3dce73728656528c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0944ade5bc73e993244c93fa9e56742a632b851cbce71c7e3dce73728656528c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0944ade5bc73e993244c93fa9e56742a632b851cbce71c7e3dce73728656528c", kill_on_drop: false }`
[INFO] [stdout] 0944ade5bc73e993244c93fa9e56742a632b851cbce71c7e3dce73728656528c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3c61b7bad4620b74ffb10204862ba94e9e84b870f64f5fea2a806a472538400d
[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" "3c61b7bad4620b74ffb10204862ba94e9e84b870f64f5fea2a806a472538400d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking earcutr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> benches/speedtest.rs:148:24
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let _indices = earcutr::earcut(&vec![], &vec![], 2);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the function `earcut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:749:18
[INFO] [stdout]     |
[INFO] [stdout] 749 | pub fn earcut<T: Float + Display>(
[INFO] [stdout]     |                  ----- required by this bound in `earcut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: num_traits::float::Float`
[INFO] [stdout] help: consider specifying the type argument in the function call
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let _indices = earcutr::earcut::<T>(&vec![], &vec![], 2);
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/lib.rs:1708:10
[INFO] [stdout]      |
[INFO] [stdout] 1708 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `earcutr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c61b7bad4620b74ffb10204862ba94e9e84b870f64f5fea2a806a472538400d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c61b7bad4620b74ffb10204862ba94e9e84b870f64f5fea2a806a472538400d", kill_on_drop: false }`
[INFO] [stdout] 3c61b7bad4620b74ffb10204862ba94e9e84b870f64f5fea2a806a472538400d