[INFO] fetching crate libp2p-observed-address 0.12.0...
[INFO] checking libp2p-observed-address-0.12.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate libp2p-observed-address 0.12.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate libp2p-observed-address 0.12.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-observed-address 0.12.0
[INFO] finished tweaking crates.io crate libp2p-observed-address 0.12.0
[INFO] tweaked toml for crates.io crate libp2p-observed-address 0.12.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88d540d178ca4b088d75dc0124c69eaecb9476ac60ca879df6d464d8af55ee79
[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" "88d540d178ca4b088d75dc0124c69eaecb9476ac60ca879df6d464d8af55ee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88d540d178ca4b088d75dc0124c69eaecb9476ac60ca879df6d464d8af55ee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d540d178ca4b088d75dc0124c69eaecb9476ac60ca879df6d464d8af55ee79", kill_on_drop: false }`
[INFO] [stdout] 88d540d178ca4b088d75dc0124c69eaecb9476ac60ca879df6d464d8af55ee79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a81025dba32a2494f2aa14ece957965c2e5e652dacaa0aad541f4f3b541def5
[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" "7a81025dba32a2494f2aa14ece957965c2e5e652dacaa0aad541f4f3b541def5", kill_on_drop: false }`
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[INFO] [stdout] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:34:44
[INFO] [stdout]     |
[INFO] [stdout] 34  |         Keypair(ed25519::Keypair::generate(&mut rand::thread_rng()))
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0/src/keypair.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |            --------- required by this bound in `ed25519_dalek::Keypair::generate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:34:44
[INFO] [stdout]     |
[INFO] [stdout] 34  |         Keypair(ed25519::Keypair::generate(&mut rand::thread_rng()))
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0/src/keypair.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |         R: CryptoRng + RngCore,
[INFO] [stdout]     |                        ------- required by this bound in `ed25519_dalek::Keypair::generate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sign` found for struct `ed25519_dalek::Keypair` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.0.sign(msg).to_bytes().to_vec()
[INFO] [stdout]    |                ^^^^ method not found in `ed25519_dalek::Keypair`
[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 function or associated item named `from_bytes` found for struct `ed25519_dalek::Signature` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |         ed25519::Signature::from_bytes(sig).and_then(|s| self.0.verify(msg, &s)).is_ok()
[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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:103:65
[INFO] [stdout]     |
[INFO] [stdout] 103 |         ed25519::Signature::from_bytes(sig).and_then(|s| self.0.verify(msg, &s)).is_ok()
[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[E0277]: the trait bound `rand::prelude::ThreadRng: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:141:48
[INFO] [stdout]     |
[INFO] [stdout] 141 |         SecretKey(ed25519::SecretKey::generate(&mut rand::thread_rng()))
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0/src/secret.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |            --------- required by this bound in `ed25519_dalek::SecretKey::generate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-core-0.12.0/src/identity/ed25519.rs:141:48
[INFO] [stdout]     |
[INFO] [stdout] 141 |         SecretKey(ed25519::SecretKey::generate(&mut rand::thread_rng()))
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ the trait `rand_core::RngCore` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0/src/secret.rs:169:24
[INFO] [stdout]     |
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |                        ------- required by this bound in `ed25519_dalek::SecretKey::generate`
[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 `libp2p-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7a81025dba32a2494f2aa14ece957965c2e5e652dacaa0aad541f4f3b541def5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a81025dba32a2494f2aa14ece957965c2e5e652dacaa0aad541f4f3b541def5", kill_on_drop: false }`
[INFO] [stdout] 7a81025dba32a2494f2aa14ece957965c2e5e652dacaa0aad541f4f3b541def5
