[INFO] fetching crate signatory-secp256k1 0.15.0...
[INFO] checking signatory-secp256k1-0.15.0 against nightly-2019-10-27 for pr-65897
[INFO] extracting crate signatory-secp256k1 0.15.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate signatory-secp256k1 0.15.0 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate signatory-secp256k1 0.15.0
[INFO] finished tweaking crates.io crate signatory-secp256k1 0.15.0
[INFO] tweaked toml for crates.io crate signatory-secp256k1 0.15.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bc97c9db60cfae0e0e1937237f029cb94336c16539e4463a24fbae866e4ac53a
[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" "bc97c9db60cfae0e0e1937237f029cb94336c16539e4463a24fbae866e4ac53a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking zeroize v1.0.0
[INFO] [stderr]     Checking secp256k1 v0.15.5
[INFO] [stderr]    Compiling signature_derive v1.0.0-pre.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking subtle-encoding v0.4.1
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking signatory v0.15.0
[INFO] [stderr] error[E0643]: method `from_bytes` has incompatible signature for trait
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signatory-0.15.0/src/ecdsa/signature/asn1.rs:36:19
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn from_bytes<B>(bytes: B) -> Result<Self, Error>
[INFO] [stderr]    |                   ^ expected `impl Trait`, found generic parameter
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.0.0-pre.1/src/signature.rs:9:26
[INFO] [stderr]    |
[INFO] [stderr] 9  |     fn from_bytes(bytes: impl AsRef<[u8]>) -> Result<Self, Error>;
[INFO] [stderr]    |                          ---------------- declaration in trait here
[INFO] [stderr] 
[INFO] [stderr] error[E0643]: method `from_bytes` has incompatible signature for trait
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signatory-0.15.0/src/ecdsa/signature/fixed.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn from_bytes<B: AsRef<[u8]>>(bytes: B) -> Result<Self, Error> {
[INFO] [stderr]    |                   ^ expected `impl Trait`, found generic parameter
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.0.0-pre.1/src/signature.rs:9:26
[INFO] [stderr]    |
[INFO] [stderr] 9  |     fn from_bytes(bytes: impl AsRef<[u8]>) -> Result<Self, Error>;
[INFO] [stderr]    |                          ---------------- declaration in trait here
[INFO] [stderr]    |
[INFO] [stderr] help: try removing the generic parameter and using `impl Trait` instead
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn from_bytes(bytes: impl AsRef<[u8]>) -> Result<Self, Error> {
[INFO] [stderr]    |                 --       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0643`.
[INFO] [stderr] error: could not compile `signatory`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bc97c9db60cfae0e0e1937237f029cb94336c16539e4463a24fbae866e4ac53a"`
[INFO] running `"docker" "rm" "-f" "bc97c9db60cfae0e0e1937237f029cb94336c16539e4463a24fbae866e4ac53a"`
[INFO] [stdout] bc97c9db60cfae0e0e1937237f029cb94336c16539e4463a24fbae866e4ac53a