[INFO] fetching crate libsignify 0.5.3...
[INFO] checking libsignify-0.5.3 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate libsignify 0.5.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate libsignify 0.5.3 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsignify 0.5.3
[INFO] finished tweaking crates.io crate libsignify 0.5.3
[INFO] tweaked toml for crates.io crate libsignify 0.5.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate libsignify 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ad088096556c924da13256fb91b56c05f6dec3eeb857d40de36901c9381dacc
[INFO] running `Command { std: "docker" "start" "-a" "3ad088096556c924da13256fb91b56c05f6dec3eeb857d40de36901c9381dacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad088096556c924da13256fb91b56c05f6dec3eeb857d40de36901c9381dacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad088096556c924da13256fb91b56c05f6dec3eeb857d40de36901c9381dacc", kill_on_drop: false }`
[INFO] [stdout] 3ad088096556c924da13256fb91b56c05f6dec3eeb857d40de36901c9381dacc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c17129429dcdf0c4533c7271f7e42868199d493e91c2677cb09d65ce9fd097
[INFO] running `Command { std: "docker" "start" "-a" "c2c17129429dcdf0c4533c7271f7e42868199d493e91c2677cb09d65ce9fd097", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking ed25519 v1.5.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking blowfish v0.8.0
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking bcrypt-pbkdf v0.7.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking libsignify v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `libsignify::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:25:53
[INFO] [stdout]    |
[INFO] [stdout] 25 |         PublicKey::from_base64(&public_key_contents)?
[INFO] [stdout]    |                                                     ^ the trait `std::error::Error` is not implemented for `libsignify::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]              <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]              <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout]    = note: required for `Box<dyn std::error::Error>` to implement `From<libsignify::Error>`
[INFO] [stdout]    = note: required for `Result<(), Box<dyn std::error::Error>>` to implement `FromResidual<Result<Infallible, libsignify::Error>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `libsignify::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Signature::from_base64(&signature_contents)?
[INFO] [stdout]    |                                                    ^ the trait `std::error::Error` is not implemented for `libsignify::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `FromResidual<R>`:
[INFO] [stdout]              <Result<T, F> as FromResidual<Result<Infallible, E>>>
[INFO] [stdout]              <Result<T, F> as FromResidual<Yeet<E>>>
[INFO] [stdout]    = note: required for `Box<dyn std::error::Error>` to implement `From<libsignify::Error>`
[INFO] [stdout]    = note: required for `Result<(), Box<dyn std::error::Error>>` to implement `FromResidual<Result<Infallible, libsignify::Error>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `libsignify::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Err(Box::new(e))
[INFO] [stdout]    |                 ^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `libsignify::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast from `Box<libsignify::Error>` to `Box<dyn std::error::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsignify` (example "basic") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c2c17129429dcdf0c4533c7271f7e42868199d493e91c2677cb09d65ce9fd097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c17129429dcdf0c4533c7271f7e42868199d493e91c2677cb09d65ce9fd097", kill_on_drop: false }`
[INFO] [stdout] c2c17129429dcdf0c4533c7271f7e42868199d493e91c2677cb09d65ce9fd097
