[INFO] fetching crate stellar-horizon 0.6.0...
[INFO] checking stellar-horizon-0.6.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate stellar-horizon 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stellar-horizon 0.6.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stellar-horizon 0.6.0
[INFO] finished tweaking crates.io crate stellar-horizon 0.6.0
[INFO] tweaked toml for crates.io crate stellar-horizon 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df606531f044d7a893404b074d6ec887355438abdfb7d236c13b0674af4ea29
[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" "3df606531f044d7a893404b074d6ec887355438abdfb7d236c13b0674af4ea29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df606531f044d7a893404b074d6ec887355438abdfb7d236c13b0674af4ea29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df606531f044d7a893404b074d6ec887355438abdfb7d236c13b0674af4ea29", kill_on_drop: false }`
[INFO] [stdout] 3df606531f044d7a893404b074d6ec887355438abdfb7d236c13b0674af4ea29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 6104bdfc8534fe3a96635de89b1fb79ccb1e1fb8bfc8ac2cdb8bf1ed698bfc08
[INFO] running `Command { std: "docker" "start" "-a" "6104bdfc8534fe3a96635de89b1fb79ccb1e1fb8bfc8ac2cdb8bf1ed698bfc08", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]    Compiling darling_core v0.13.0
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[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
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[INFO] [stderr]     Checking serde_with v1.9.4
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[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6104bdfc8534fe3a96635de89b1fb79ccb1e1fb8bfc8ac2cdb8bf1ed698bfc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6104bdfc8534fe3a96635de89b1fb79ccb1e1fb8bfc8ac2cdb8bf1ed698bfc08", kill_on_drop: false }`
[INFO] [stdout] 6104bdfc8534fe3a96635de89b1fb79ccb1e1fb8bfc8ac2cdb8bf1ed698bfc08