[INFO] fetching crate cryptoballot 0.4.0...
[INFO] checking cryptoballot-0.4.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate cryptoballot 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cryptoballot 0.4.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fbad8ab3479010d72bfb339ef99a7db0ac3ae60e9125e432fc33b83826252c2
[INFO] running `Command { std: "docker" "start" "-a" "5fbad8ab3479010d72bfb339ef99a7db0ac3ae60e9125e432fc33b83826252c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fbad8ab3479010d72bfb339ef99a7db0ac3ae60e9125e432fc33b83826252c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbad8ab3479010d72bfb339ef99a7db0ac3ae60e9125e432fc33b83826252c2", kill_on_drop: false }`
[INFO] [stdout] 5fbad8ab3479010d72bfb339ef99a7db0ac3ae60e9125e432fc33b83826252c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fe6adb86a5aa223c36f09f296c3027f978ab34a1b0afaa736abb434e6cd422a
[INFO] running `Command { std: "docker" "start" "-a" "9fe6adb86a5aa223c36f09f296c3027f978ab34a1b0afaa736abb434e6cd422a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking sharks v0.3.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking aes-gcm v0.3.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking fdh v0.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking hex-buffer-serde v0.2.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hex-serde v0.1.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking rsa v0.2.0
[INFO] [stderr]     Checking rsa-fdh v0.2.1
[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]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.3.1/src/verifier.rs:14:8
[INFO] [stdout]     |
[INFO] [stdout] 14  |     fn verify(&self, msg: &[u8], signature: &S) -> Result<(), Error>;
[INFO] [stdout]     |        ------ the method is available for `ed25519_dalek::PublicKey` here
[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: 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 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]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.3.1/src/verifier.rs:14:8
[INFO] [stdout]     |
[INFO] [stdout] 14  |     fn verify(&self, msg: &[u8], signature: &S) -> Result<(), Error>;
[INFO] [stdout]     |        ------ the method is available for `ed25519_dalek::PublicKey` here
[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" "9fe6adb86a5aa223c36f09f296c3027f978ab34a1b0afaa736abb434e6cd422a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe6adb86a5aa223c36f09f296c3027f978ab34a1b0afaa736abb434e6cd422a", kill_on_drop: false }`
[INFO] [stdout] 9fe6adb86a5aa223c36f09f296c3027f978ab34a1b0afaa736abb434e6cd422a