[INFO] fetching crate cryptoballot 0.4.0...
[INFO] testing cryptoballot-0.4.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[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 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rsa-fdh v0.2.1
[INFO] [stderr]   Downloaded hex-buffer-serde 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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad8b0dfedca37f1031649fa152bb4bc61763a8697e59669e31d771510589e9dd
[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" "ad8b0dfedca37f1031649fa152bb4bc61763a8697e59669e31d771510589e9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad8b0dfedca37f1031649fa152bb4bc61763a8697e59669e31d771510589e9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8b0dfedca37f1031649fa152bb4bc61763a8697e59669e31d771510589e9dd", kill_on_drop: false }`
[INFO] [stdout] ad8b0dfedca37f1031649fa152bb4bc61763a8697e59669e31d771510589e9dd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 841d783e0eb8499d45f022873e585234eed518baa4c66d11b060aa39082c7b7b
[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" "841d783e0eb8499d45f022873e585234eed518baa4c66d11b060aa39082c7b7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling signature v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling aead v0.2.0
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]    Compiling hkdf v0.8.0
[INFO] [stderr]    Compiling ghash v0.2.3
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]    Compiling sharks v0.3.3
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling aes-gcm v0.3.2
[INFO] [stderr]    Compiling fdh v0.6.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling ed25519 v1.0.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling hex-serde v0.1.0
[INFO] [stderr]    Compiling hex-buffer-serde v0.2.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling rsa v0.2.0
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]    Compiling rsa-fdh v0.2.1
[INFO] [stderr]    Compiling num_enum v0.4.3
[INFO] [stderr]    Compiling 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: 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] running `Command { std: "docker" "inspect" "841d783e0eb8499d45f022873e585234eed518baa4c66d11b060aa39082c7b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841d783e0eb8499d45f022873e585234eed518baa4c66d11b060aa39082c7b7b", kill_on_drop: false }`
[INFO] [stdout] 841d783e0eb8499d45f022873e585234eed518baa4c66d11b060aa39082c7b7b