[INFO] fetching crate teatree 0.0.4...
[INFO] testing teatree-0.0.4 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate teatree 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate teatree 0.0.4 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teatree 0.0.4
[INFO] finished tweaking crates.io crate teatree 0.0.4
[INFO] tweaked toml for crates.io crate teatree 0.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 85a8f780641dbe73f0c605039f96efeb8690f42f0a1f1add7b16644ae938698a
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[INFO] running `Command { std: "docker" "start" "-a" "85a8f780641dbe73f0c605039f96efeb8690f42f0a1f1add7b16644ae938698a", kill_on_drop: false }`
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[INFO] [stdout] e4c017271821b8772172c54740a2b73b44d53655df55b1c2ebb59bfe2ff019c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
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[INFO] [stderr]    Compiling teatree v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `rand::rngs::OsRng: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> src/crypto/keypair.rs:46:50
[INFO] [stdout]     |
[INFO] [stdout] 46  |         let keypair: Keypair = Keypair::generate(&mut csprng);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand::rngs::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.1/src/keypair.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |            --------- required by this bound in `Keypair::generate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand::rngs::OsRng: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> src/crypto/keypair.rs:46:50
[INFO] [stdout]     |
[INFO] [stdout] 46  |         let keypair: Keypair = Keypair::generate(&mut csprng);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand::rngs::OsRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.1/src/keypair.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |                        ------- required by this bound in `Keypair::generate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sign` found for struct `Keypair` in the current scope
[INFO] [stdout]   --> src/crypto/keypair.rs:61:33
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let signature = keypair.sign(message.as_bytes());
[INFO] [stdout]    |                                 ^^^^ method not found in `Keypair`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.3.0/src/signer.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn sign(&self, msg: &[u8]) -> S {
[INFO] [stdout]    |        ---- the method is available for `Keypair` 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::Signer;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sign` found for struct `Keypair` in the current scope
[INFO] [stdout]   --> src/crypto/keypair.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let signature = keypair.sign(bytes);
[INFO] [stdout]    |                                 ^^^^ method not found in `Keypair`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.3.0/src/signer.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn sign(&self, msg: &[u8]) -> S {
[INFO] [stdout]    |        ---- the method is available for `Keypair` 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::Signer;`
[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/crypto/keypair.rs:101:14
[INFO] [stdout]     |
[INFO] [stdout] 101 |             .verify(message.as_bytes(), &signature.signature)
[INFO] [stdout]     |              ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.3.0/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[E0599]: no method named `verify` found for struct `ed25519_dalek::PublicKey` in the current scope
[INFO] [stdout]    --> src/crypto/keypair.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |             .verify(content, &signature.signature)
[INFO] [stdout]     |              ^^^^^^ method not found in `ed25519_dalek::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/signature-1.3.0/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[E0599]: no function or associated item named `from_bytes` found for struct `ed25519_dalek::Signature` in the current scope
[INFO] [stdout]    --> src/crypto/keypair.rs:145:38
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let signature = EdSignature::from_bytes(signature_bytes);
[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 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `teatree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e4c017271821b8772172c54740a2b73b44d53655df55b1c2ebb59bfe2ff019c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c017271821b8772172c54740a2b73b44d53655df55b1c2ebb59bfe2ff019c0", kill_on_drop: false }`
[INFO] [stdout] e4c017271821b8772172c54740a2b73b44d53655df55b1c2ebb59bfe2ff019c0