[INFO] fetching crate splines 3.0.0...
[INFO] checking splines-3.0.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate splines 3.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate splines 3.0.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate splines 3.0.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate splines 3.0.0
[INFO] tweaked toml for crates.io crate splines 3.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate splines 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 28ea81c3a0d7e5a86211928050ddbbbaadeb63aed1d25e9a60ae54a7c19d86cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "28ea81c3a0d7e5a86211928050ddbbbaadeb63aed1d25e9a60ae54a7c19d86cc"`
[INFO] [stderr]     Checking splines v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking float-cmp v0.5.2
[INFO] [stderr] error[E0277]: the trait bound `for<'de> splines::Spline<f32, f32>: serde::de::Deserialize<'de>` is not satisfied
[INFO] [stderr]     --> examples/serialization.rs:28:29
[INFO] [stderr]      |
[INFO] [stderr] 28   |   let spline = from_value::<Spline<f32, f32>>(value);
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^ the trait `for<'de> serde::de::Deserialize<'de>` is not implemented for `splines::Spline<f32, f32>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.41/src/value/mod.rs:1005:8
[INFO] [stderr]      |
[INFO] [stderr] 1005 |     T: DeserializeOwned,
[INFO] [stderr]      |        ---------------- required by this bound in `serde_json::from_value`
[INFO] [stderr]      |
[INFO] [stderr]      = note: required because of the requirements on the impl of `serde::de::DeserializeOwned` for `splines::Spline<f32, f32>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `splines`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "28ea81c3a0d7e5a86211928050ddbbbaadeb63aed1d25e9a60ae54a7c19d86cc"`
[INFO] running `"docker" "rm" "-f" "28ea81c3a0d7e5a86211928050ddbbbaadeb63aed1d25e9a60ae54a7c19d86cc"`
[INFO] [stdout] 28ea81c3a0d7e5a86211928050ddbbbaadeb63aed1d25e9a60ae54a7c19d86cc