[INFO] fetching crate stellar-federation 0.2.0...
[INFO] testing stellar-federation-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stellar-federation 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stellar-federation 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stellar-federation 0.2.0
[INFO] finished tweaking crates.io crate stellar-federation 0.2.0
[INFO] tweaked toml for crates.io crate stellar-federation 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb2dd2863031346e6777388a288b3313ec04968188477bcb537f7088db8a4204
[INFO] running `Command { std: "docker" "start" "-a" "fb2dd2863031346e6777388a288b3313ec04968188477bcb537f7088db8a4204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb2dd2863031346e6777388a288b3313ec04968188477bcb537f7088db8a4204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2dd2863031346e6777388a288b3313ec04968188477bcb537f7088db8a4204", kill_on_drop: false }`
[INFO] [stdout] fb2dd2863031346e6777388a288b3313ec04968188477bcb537f7088db8a4204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d51167abfdf797a874e6042be06cb5d9e87026a8d323fe4cb40d682b9376550a
[INFO] running `Command { std: "docker" "start" "-a" "d51167abfdf797a874e6042be06cb5d9e87026a8d323fe4cb40d682b9376550a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling ed25519 v1.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling xdr-rs-serialize-derive v0.2.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling xdr-rs-serialize v0.2.5
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.5.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling rust_decimal v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_with v1.10.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling sodiumoxide v0.2.7
[INFO] [stderr]    Compiling stellar-base v0.5.0
[INFO] [stdout] error[E0599]: no function or associated item named `from_slice` found for struct `sodiumoxide::crypto::sign::Signature` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stellar-base-0.5.0/src/signature.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let sig = ed25519::Signature::from_slice(sb).ok_or(Error::InvalidSignature)?;
[INFO] [stdout]    |                                       ^^^^^^^^^^ function or associated item not found in `sodiumoxide::crypto::sign::Signature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `0` of struct `sodiumoxide::crypto::sign::Signature` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stellar-base-0.5.0/src/signature.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |         self.sig.0.len()
[INFO] [stdout]    |                  ^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `0` of struct `sodiumoxide::crypto::sign::Signature` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stellar-base-0.5.0/src/signature.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |         self.sig.0.to_vec()
[INFO] [stdout]    |                  ^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `0` of struct `sodiumoxide::crypto::sign::Signature` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stellar-base-0.5.0/src/signature.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |         &self.sig.0
[INFO] [stdout]    |                   ^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0616.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stellar-base` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "d51167abfdf797a874e6042be06cb5d9e87026a8d323fe4cb40d682b9376550a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51167abfdf797a874e6042be06cb5d9e87026a8d323fe4cb40d682b9376550a", kill_on_drop: false }`
[INFO] [stdout] d51167abfdf797a874e6042be06cb5d9e87026a8d323fe4cb40d682b9376550a