[INFO] fetching crate molasses 0.1.0...
[INFO] checking molasses-0.1.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate molasses 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate molasses 0.1.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v0.8.0
[INFO] [stderr]   Downloaded x25519-dalek v0.4.5
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded doc-comment v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfdaf7c4ea5b4a29945cda08775c1ddbde3c67351d03add889b2fe32004c65b8
[INFO] running `Command { std: "docker" "start" "-a" "bfdaf7c4ea5b4a29945cda08775c1ddbde3c67351d03add889b2fe32004c65b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfdaf7c4ea5b4a29945cda08775c1ddbde3c67351d03add889b2fe32004c65b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdaf7c4ea5b4a29945cda08775c1ddbde3c67351d03add889b2fe32004c65b8", kill_on_drop: false }`
[INFO] [stdout] bfdaf7c4ea5b4a29945cda08775c1ddbde3c67351d03add889b2fe32004c65b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2baa4c3d9870e0a9aa53653396a87f6fd2fca1dd66100901f0c9dd01065dc99
[INFO] running `Command { std: "docker" "start" "-a" "c2baa4c3d9870e0a9aa53653396a87f6fd2fca1dd66100901f0c9dd01065dc99", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking doc-comment v0.1.4
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking x25519-dalek v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `SecretKey::generate`
[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |                        ^^^^^^^ required by this bound in `SecretKey::generate`
[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[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `SecretKey::generate`
[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |                        ^^^^^^^ required by this bound in `SecretKey::generate`
[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] 109 | /         public_key
[INFO] [stdout] 110 | |             .0
[INFO] [stdout] 111 | |             .verify(msg, &sig.0)
[INFO] [stdout]     | |             -^^^^^^ this is an associated function, not a method
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signature-1.6.4/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]     = 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] help: use associated function syntax instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ed25519_dalek::PublicKey::verify(msg, &sig.0)
[INFO] [stdout]     |
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   + use ed25519_dalek::Verifier;
[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] 109 | /         public_key
[INFO] [stdout] 110 | |             .0
[INFO] [stdout] 111 | |             .verify(msg, &sig.0)
[INFO] [stdout]     | |             -^^^^^^ this is an associated function, not a method
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signature-1.6.4/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]     = 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] help: use associated function syntax instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ed25519_dalek::PublicKey::verify(msg, &sig.0)
[INFO] [stdout]     |
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   + use ed25519_dalek::Verifier;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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 method `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 method `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] warning: use of deprecated method `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` (lib) due to 4 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `molasses` (lib test) due to 4 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c2baa4c3d9870e0a9aa53653396a87f6fd2fca1dd66100901f0c9dd01065dc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2baa4c3d9870e0a9aa53653396a87f6fd2fca1dd66100901f0c9dd01065dc99", kill_on_drop: false }`
[INFO] [stdout] c2baa4c3d9870e0a9aa53653396a87f6fd2fca1dd66100901f0c9dd01065dc99
[INFO] checking molasses-0.1.0 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] extracting crate molasses 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate molasses 0.1.0 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 127a6f8b414267e9b03fd60fc637783e5890bac8b642201aaa9a1fb64ad4aeb6
[INFO] running `Command { std: "docker" "start" "-a" "127a6f8b414267e9b03fd60fc637783e5890bac8b642201aaa9a1fb64ad4aeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127a6f8b414267e9b03fd60fc637783e5890bac8b642201aaa9a1fb64ad4aeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127a6f8b414267e9b03fd60fc637783e5890bac8b642201aaa9a1fb64ad4aeb6", kill_on_drop: false }`
[INFO] [stdout] 127a6f8b414267e9b03fd60fc637783e5890bac8b642201aaa9a1fb64ad4aeb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dnon_local_definitions" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acc038f7ca1c0fa9fa07fc9f08246c449b6f09171f45a080684f885543f21dc7
[INFO] running `Command { std: "docker" "start" "-a" "acc038f7ca1c0fa9fa07fc9f08246c449b6f09171f45a080684f885543f21dc7", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking doc-comment v0.1.4
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking x25519-dalek v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `SecretKey::generate`
[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |                        ^^^^^^^ required by this bound in `SecretKey::generate`
[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[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `SecretKey::generate`
[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]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `SecretKey::generate`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/secret.rs:169:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn generate<T>(csprng: &mut T) -> SecretKey
[INFO] [stdout]     |            -------- required by a bound in this associated function
[INFO] [stdout] 168 |     where
[INFO] [stdout] 169 |         T: CryptoRng + RngCore,
[INFO] [stdout]     |                        ^^^^^^^ required by this bound in `SecretKey::generate`
[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] 109 | /         public_key
[INFO] [stdout] 110 | |             .0
[INFO] [stdout] 111 | |             .verify(msg, &sig.0)
[INFO] [stdout]     | |             -^^^^^^ this is an associated function, not a method
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signature-1.6.4/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]     = 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] help: use associated function syntax instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ed25519_dalek::PublicKey::verify(msg, &sig.0)
[INFO] [stdout]     |
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   + use ed25519_dalek::Verifier;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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 method `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[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] 109 | /         public_key
[INFO] [stdout] 110 | |             .0
[INFO] [stdout] 111 | |             .verify(msg, &sig.0)
[INFO] [stdout]     | |             -^^^^^^ this is an associated function, not a method
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/signature-1.6.4/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]     = 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] help: use associated function syntax instead
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ed25519_dalek::PublicKey::verify(msg, &sig.0)
[INFO] [stdout]     |
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   + use ed25519_dalek::Verifier;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `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 method `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] [stderr] error: could not compile `molasses` (lib) due to 4 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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` (lib test) due to 4 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "acc038f7ca1c0fa9fa07fc9f08246c449b6f09171f45a080684f885543f21dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc038f7ca1c0fa9fa07fc9f08246c449b6f09171f45a080684f885543f21dc7", kill_on_drop: false }`
[INFO] [stdout] acc038f7ca1c0fa9fa07fc9f08246c449b6f09171f45a080684f885543f21dc7
