[INFO] fetching crate molasses 0.1.0...
[INFO] testing molasses-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate molasses 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate molasses 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f3f6db33229ce18435acee5271b9509e37b58b178cda639587b914c6a799ff0
[INFO] running `"docker" "start" "-a" "4f3f6db33229ce18435acee5271b9509e37b58b178cda639587b914c6a799ff0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling doc-comment v0.1.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling x25519-dalek v0.4.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling molasses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Identity`, `error::Error`
[INFO] [stderr]  --> src/codec.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 |     credential::{BasicCredential, Identity},
[INFO] [stderr]   |                                   ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 7 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `de::Deserialize`, `ser::Serialize`
[INFO] [stderr]  --> src/credential.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{de::Deserialize, ser::Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sig::ED25519`
[INFO] [stderr]  --> src/crypto/ciphersuite.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     sig::ED25519,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `T: rand_core::CryptoRng` is not satisfied
[INFO] [stderr]    --> src/crypto/sig.rs:81:61
[INFO] [stderr]     |
[INFO] [stderr] 81  |         Ed25519SecretKey(ed25519_dalek::SecretKey::generate(csprng))
[INFO] [stderr]     |                                                             ^^^^^^ the trait `rand_core::CryptoRng` is not implemented for `T`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:12
[INFO] [stderr]     |
[INFO] [stderr] 172 |         T: CryptoRng + RngCore,
[INFO] [stderr]     |            --------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:430:1
[INFO] [stderr]     |
[INFO] [stderr] 430 | impl<'a, R: CryptoRng + ?Sized> CryptoRng for &'a mut R {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stderr] help: consider further restricting this bound
[INFO] [stderr]     |
[INFO] [stderr] 79  |         T: rand::Rng + rand::CryptoRng + rand_core::CryptoRng,
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `T: rand_core::RngCore` is not satisfied
[INFO] [stderr]    --> src/crypto/sig.rs:81:61
[INFO] [stderr]     |
[INFO] [stderr] 81  |         Ed25519SecretKey(ed25519_dalek::SecretKey::generate(csprng))
[INFO] [stderr]     |                                                             ^^^^^^ the trait `rand_core::RngCore` is not implemented for `T`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ed25519-dalek-1.0.0-pre.3/src/secret.rs:172:24
[INFO] [stderr]     |
[INFO] [stderr] 172 |         T: CryptoRng + RngCore,
[INFO] [stderr]     |                        ------- required by this bound in `ed25519_dalek::secret::SecretKey::generate`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/lib.rs:373:1
[INFO] [stderr]     |
[INFO] [stderr] 373 | / impl<'a, R: RngCore + ?Sized> RngCore for &'a mut R {
[INFO] [stderr] 374 | |     #[inline(always)]
[INFO] [stderr] 375 | |     fn next_u32(&mut self) -> u32 {
[INFO] [stderr] 376 | |         (**self).next_u32()
[INFO] [stderr] ...   |
[INFO] [stderr] 392 | |     }
[INFO] [stderr] 393 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `rand_core` are being used?
[INFO] [stderr] help: consider further restricting this bound
[INFO] [stderr]     |
[INFO] [stderr] 79  |         T: rand::Rng + rand::CryptoRng + rand_core::RngCore,
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:20:47
[INFO] [stderr]    |
[INFO] [stderr] 20 |         crate::error::Error::SerdeError(other.description().to_string())
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `molasses`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4f3f6db33229ce18435acee5271b9509e37b58b178cda639587b914c6a799ff0"`
[INFO] running `"docker" "rm" "-f" "4f3f6db33229ce18435acee5271b9509e37b58b178cda639587b914c6a799ff0"`
[INFO] [stdout] 4f3f6db33229ce18435acee5271b9509e37b58b178cda639587b914c6a799ff0