[INFO] fetching crate cryptoballot 0.4.0...
[INFO] checking cryptoballot-0.4.0 against beta for pr-78714
[INFO] extracting crate cryptoballot 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cryptoballot 0.4.0 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 cryptoballot 0.4.0
[INFO] finished tweaking crates.io crate cryptoballot 0.4.0
[INFO] tweaked toml for crates.io crate cryptoballot 0.4.0 written to /workspace/builds/worker-8/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded rsa v0.2.0
[INFO] [stderr]   Downloaded hex-buffer-serde v0.2.1
[INFO] [stderr]   Downloaded aes-gcm v0.3.2
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.0
[INFO] [stderr]   Downloaded hex-serde v0.1.0
[INFO] [stderr]   Downloaded rsa-fdh v0.2.1
[INFO] [stderr]   Downloaded fdh v0.6.0
[INFO] [stderr]   Downloaded sharks v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92dbdc7c438cc6de3daafd344f8c5224944455c3b53c345ff5c6640aadc62e4c
[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" "92dbdc7c438cc6de3daafd344f8c5224944455c3b53c345ff5c6640aadc62e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92dbdc7c438cc6de3daafd344f8c5224944455c3b53c345ff5c6640aadc62e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92dbdc7c438cc6de3daafd344f8c5224944455c3b53c345ff5c6640aadc62e4c", kill_on_drop: false }`
[INFO] [stdout] 92dbdc7c438cc6de3daafd344f8c5224944455c3b53c345ff5c6640aadc62e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 65fddac489c9fbd459b8bb79bdd9d453b7c7de5b8f4cce5981893edc8d8750df
[INFO] running `Command { std: "docker" "start" "-a" "65fddac489c9fbd459b8bb79bdd9d453b7c7de5b8f4cce5981893edc8d8750df", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint-dig v0.6.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sharks v0.3.3
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking hex-serde v0.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking hex-buffer-serde v0.2.1
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-gcm v0.3.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking fdh v0.6.0
[INFO] [stderr]     Checking rsa v0.2.0
[INFO] [stderr]     Checking rsa-fdh v0.2.1
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking cryptoballot v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `from_bytes` found for struct `ed25519_dalek::Signature` in the current scope
[INFO] [stdout]   --> src/serde_hex.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Signature::from_bytes(bytes).map_err(|e| format!("{}", e))
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    function or associated item not found in `ed25519_dalek::Signature`
[INFO] [stdout]    |                    help: there is an associated function with a similar name: `to_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use ed25519_dalek::ed25519::signature::Signature;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `verify` found for struct `ed25519_dalek::PublicKey` in the current scope
[INFO] [stdout]    --> src/transaction.rs:188:26
[INFO] [stdout]     |
[INFO] [stdout] 188 |             Ok(tx_public.verify(&serialized, &self.sig)?)
[INFO] [stdout]     |                          ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use ed25519_dalek::Verifier;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_bytes` found for struct `ed25519_dalek::Signature` in the current scope
[INFO] [stdout]   --> src/serde_hex.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Signature::from_bytes(bytes).map_err(|e| format!("{}", e))
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    function or associated item not found in `ed25519_dalek::Signature`
[INFO] [stdout]    |                    help: there is an associated function with a similar name: `to_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use ed25519_dalek::ed25519::signature::Signature;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptoballot`
[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[E0599]: no method named `verify` found for struct `ed25519_dalek::PublicKey` in the current scope
[INFO] [stdout]    --> src/transaction.rs:188:26
[INFO] [stdout]     |
[INFO] [stdout] 188 |             Ok(tx_public.verify(&serialized, &self.sig)?)
[INFO] [stdout]     |                          ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use ed25519_dalek::Verifier;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "65fddac489c9fbd459b8bb79bdd9d453b7c7de5b8f4cce5981893edc8d8750df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65fddac489c9fbd459b8bb79bdd9d453b7c7de5b8f4cce5981893edc8d8750df", kill_on_drop: false }`
[INFO] [stdout] 65fddac489c9fbd459b8bb79bdd9d453b7c7de5b8f4cce5981893edc8d8750df