[INFO] fetching crate bls-like 0.1.0...
[INFO] checking bls-like-0.1.0 against beta for pr-78714
[INFO] extracting crate bls-like 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bls-like 0.1.0 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 bls-like 0.1.0
[INFO] finished tweaking crates.io crate bls-like 0.1.0
[INFO] tweaked toml for crates.io crate bls-like 0.1.0 written to /workspace/builds/worker-10/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] cccf875f8a87ad0fd9050d588f6a0535240cecddc562f0bb88f2650d0db6e5f6
[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" "cccf875f8a87ad0fd9050d588f6a0535240cecddc562f0bb88f2650d0db6e5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cccf875f8a87ad0fd9050d588f6a0535240cecddc562f0bb88f2650d0db6e5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccf875f8a87ad0fd9050d588f6a0535240cecddc562f0bb88f2650d0db6e5f6", kill_on_drop: false }`
[INFO] [stdout] cccf875f8a87ad0fd9050d588f6a0535240cecddc562f0bb88f2650d0db6e5f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] af76096c50c043983770bfc5fedab74fce8231306d2154f5b43cbafe39732384
[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" "af76096c50c043983770bfc5fedab74fce8231306d2154f5b43cbafe39732384", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling ff_derive v0.3.0
[INFO] [stderr]     Checking ff v0.4.0
[INFO] [stderr]     Checking paired v0.15.1
[INFO] [stderr]     Checking bls-like v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | #![feature(associated_type_defaults)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/distinct.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pop.rs:291:32
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | #![feature(associated_type_defaults)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/distinct.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pop.rs:291:32
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<<Self as Signed>::PKnM as Iterator>::Item == (Message, single::PublicKey<<Self as Signed>::E>)`
[INFO] [stdout]    --> src/lib.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub trait Signed: Sized {
[INFO] [stdout]     | ----------------------- required by `Signed`
[INFO] [stdout] ...
[INFO] [stdout] 370 |     type PKnM: Iterator<Item = (Self::M,Self::PKG)> + ExactSizeIterator;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Message`, found associated type
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected tuple `(Message, single::PublicKey<<Self as Signed>::E>)`
[INFO] [stdout]                found tuple `(<Self as Signed>::M, <Self as Signed>::PKG)`
[INFO] [stdout]     = help: consider constraining the associated type `<Self as Signed>::M` to `Message`
[INFO] [stdout]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<<Self as Signed>::PKnM as Iterator>::Item == (Message, single::PublicKey<<Self as Signed>::E>)`
[INFO] [stdout]    --> src/lib.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub trait Signed: Sized {
[INFO] [stdout]     | ----------------------- required by `Signed`
[INFO] [stdout] ...
[INFO] [stdout] 370 |     type PKnM: Iterator<Item = (Self::M,Self::PKG)> + ExactSizeIterator;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Message`, found associated type
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected tuple `(Message, single::PublicKey<<Self as Signed>::E>)`
[INFO] [stdout]                found tuple `(<Self as Signed>::M, <Self as Signed>::PKG)`
[INFO] [stdout]     = help: consider constraining the associated type `<Self as Signed>::M` to `Message`
[INFO] [stdout]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bls-like`
[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] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af76096c50c043983770bfc5fedab74fce8231306d2154f5b43cbafe39732384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af76096c50c043983770bfc5fedab74fce8231306d2154f5b43cbafe39732384", kill_on_drop: false }`
[INFO] [stdout] af76096c50c043983770bfc5fedab74fce8231306d2154f5b43cbafe39732384