[INFO] fetching crate molasses 0.1.0...
[INFO] checking molasses-0.1.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate molasses 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate molasses 0.1.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate molasses 0.1.0
[INFO] finished tweaking crates.io crate molasses 0.1.0
[INFO] tweaked toml for crates.io crate molasses 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 573927436be56ceb7669a7ea907a282288229d1ae9c6a7b12dc1e0511c3088d6
[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" "573927436be56ceb7669a7ea907a282288229d1ae9c6a7b12dc1e0511c3088d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "573927436be56ceb7669a7ea907a282288229d1ae9c6a7b12dc1e0511c3088d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573927436be56ceb7669a7ea907a282288229d1ae9c6a7b12dc1e0511c3088d6", kill_on_drop: false }`
[INFO] [stdout] 573927436be56ceb7669a7ea907a282288229d1ae9c6a7b12dc1e0511c3088d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aa2f4bce4284ede03d606485fd71694a9ff925da940129b9484233321bc23fa
[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" "8aa2f4bce4284ede03d606485fd71694a9ff925da940129b9484233321bc23fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking doc-comment v0.1.4
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking x25519-dalek v0.4.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking molasses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Identity`, `error::Error`
[INFO] [stdout]  --> src/codec.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     credential::{BasicCredential, Identity},
[INFO] [stdout]   |                                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `de::Deserialize`, `ser::Serialize`
[INFO] [stdout]  --> src/credential.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{de::Deserialize, ser::Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sig::ED25519`
[INFO] [stdout]  --> src/crypto/ciphersuite.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sig::ED25519,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Identity`, `error::Error`
[INFO] [stdout]  --> src/codec.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     credential::{BasicCredential, Identity},
[INFO] [stdout]   |                                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `de::Deserialize`, `ser::Serialize`
[INFO] [stdout]  --> src/credential.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{de::Deserialize, ser::Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sig::ED25519`
[INFO] [stdout]  --> src/crypto/ciphersuite.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sig::ED25519,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> src/crypto/sig.rs:81:61
[INFO] [stdout]     |
[INFO] [stdout] 81  |         Ed25519SecretKey(ed25519_dalek::SecretKey::generate(csprng))
[INFO] [stdout]     |                                                             ^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `T`
[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 `SecretKey::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 79  |         T: rand::Rng + rand::CryptoRng + rand_core::CryptoRng,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> src/crypto/sig.rs:81:61
[INFO] [stdout]     |
[INFO] [stdout] 81  |         Ed25519SecretKey(ed25519_dalek::SecretKey::generate(csprng))
[INFO] [stdout]     |                                                             ^^^^^^ the trait `rand_core::RngCore` is not implemented for `T`
[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 `SecretKey::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 79  |         T: rand::Rng + rand::CryptoRng + rand_core::RngCore,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^
[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/sig.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |             .verify(msg, &sig.0)
[INFO] [stdout]     |              ^^^^^^ this is an associated function, not a method
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout] note: the candidate is defined in the trait `sig::SignatureScheme`
[INFO] [stdout]    --> src/crypto/sig.rs:23:5
[INFO] [stdout]     |
[INFO] [stdout] 23  | /     fn verify(public_key: &Self::PublicKey, msg: &[u8], sig: &Self::Signature)
[INFO] [stdout] 24  | |         -> Result<(), Error>;
[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] help: use associated function syntax instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ed25519_dalek::PublicKey::verify(msg, &sig.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for the candidate
[INFO] [stdout]     |
[INFO] [stdout] 109 |         sig::SignatureScheme::verify(public_key
[INFO] [stdout] 110 |             .0, msg, &sig.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:20:47
[INFO] [stdout]    |
[INFO] [stdout] 20 |         crate::error::Error::SerdeError(other.description().to_string())
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: rand_core::CryptoRng` is not satisfied
[INFO] [stdout]    --> src/crypto/sig.rs:81:61
[INFO] [stdout]     |
[INFO] [stdout] 81  |         Ed25519SecretKey(ed25519_dalek::SecretKey::generate(csprng))
[INFO] [stdout]     |                                                             ^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `T`
[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 `SecretKey::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 79  |         T: rand::Rng + rand::CryptoRng + rand_core::CryptoRng,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `T: rand_core::RngCore` is not satisfied
[INFO] [stdout]    --> src/crypto/sig.rs:81:61
[INFO] [stdout]     |
[INFO] [stdout] 81  |         Ed25519SecretKey(ed25519_dalek::SecretKey::generate(csprng))
[INFO] [stdout]     |                                                             ^^^^^^ the trait `rand_core::RngCore` is not implemented for `T`
[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 `SecretKey::generate`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 79  |         T: rand::Rng + rand::CryptoRng + rand_core::RngCore,
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^
[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/sig.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |             .verify(msg, &sig.0)
[INFO] [stdout]     |              ^^^^^^ this is an associated function, not a method
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout] note: the candidate is defined in the trait `SignatureScheme`
[INFO] [stdout]    --> src/crypto/sig.rs:23:5
[INFO] [stdout]     |
[INFO] [stdout] 23  | /     fn verify(public_key: &Self::PublicKey, msg: &[u8], sig: &Self::Signature)
[INFO] [stdout] 24  | |         -> Result<(), Error>;
[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] help: use associated function syntax instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ed25519_dalek::PublicKey::verify(msg, &sig.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for the candidate
[INFO] [stdout]     |
[INFO] [stdout] 109 |         SignatureScheme::verify(public_key
[INFO] [stdout] 110 |             .0, msg, &sig.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:20:47
[INFO] [stdout]    |
[INFO] [stdout] 20 |         crate::error::Error::SerdeError(other.description().to_string())
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted
[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] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted
[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 `molasses`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8aa2f4bce4284ede03d606485fd71694a9ff925da940129b9484233321bc23fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa2f4bce4284ede03d606485fd71694a9ff925da940129b9484233321bc23fa", kill_on_drop: false }`
[INFO] [stdout] 8aa2f4bce4284ede03d606485fd71694a9ff925da940129b9484233321bc23fa
