[INFO] crate preftool-dirs 0.2.0 is already in cache
[INFO] checking preftool-dirs-0.2.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate preftool-dirs 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate preftool-dirs 0.2.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate preftool-dirs 0.2.0
[INFO] finished tweaking crates.io crate preftool-dirs 0.2.0
[INFO] tweaked toml for crates.io crate preftool-dirs 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6437913a83ef9853c28021477480dac8c40531d76f0ace453fba17df1d5bb7cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6437913a83ef9853c28021477480dac8c40531d76f0ace453fba17df1d5bb7cd"`
[INFO] [stderr]     Checking slog v2.5.2
[INFO] [stderr]     Checking dirs-sys v0.1.0
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr] error[E0038]: the trait `MapErrFn` cannot be made into an object
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.5.2/src/lib.rs:1807:5
[INFO] [stderr]      |
[INFO] [stderr] 1807 |     map_fn: Box<MapErrFn<D::Err, E, Output = E>>,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `MapErrFn` cannot be made into an object
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.5.2/src/lib.rs:1079:19
[INFO] [stderr]      |
[INFO] [stderr] 1079 | pub struct Logger<D = Arc<SendSyncRefUnwindSafeDrain<Ok = (), Err = Never>>>
[INFO] [stderr]      |                   ^ the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.5.2/src/lib.rs:1117:5
[INFO] [stderr]      |
[INFO] [stderr] 1117 | /     pub fn root<T>(drain: D, values: OwnedKV<T>) -> Logger
[INFO] [stderr] 1118 | |     where
[INFO] [stderr] 1119 | |         D: 'static + SendSyncRefUnwindSafeDrain<Err = Never, Ok = ()>,
[INFO] [stderr] 1120 | |         T: SendSyncRefUnwindSafeKV + 'static,
[INFO] [stderr] ...    |
[INFO] [stderr] 1126 | |         }
[INFO] [stderr] 1127 | |     }
[INFO] [stderr]      | |_____^ the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.5.2/src/lib.rs:1220:5
[INFO] [stderr]      |
[INFO] [stderr] 1220 | /     pub fn into_erased(
[INFO] [stderr] 1221 | |         self,
[INFO] [stderr] 1222 | |     ) -> Logger<Arc<SendSyncRefUnwindSafeDrain<Ok = (), Err = Never>>>
[INFO] [stderr] 1223 | |     where
[INFO] [stderr] ...    |
[INFO] [stderr] 1230 | |         }
[INFO] [stderr] 1231 | |     }
[INFO] [stderr]      | |_____^ the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.5.2/src/lib.rs:1236:5
[INFO] [stderr]      |
[INFO] [stderr] 1236 | /     pub fn to_erased(
[INFO] [stderr] 1237 | |         &self,
[INFO] [stderr] 1238 | |     ) -> Logger<Arc<SendSyncRefUnwindSafeDrain<Ok = (), Err = Never>>>
[INFO] [stderr] 1239 | |     where
[INFO] [stderr] ...    |
[INFO] [stderr] 1242 | |         self.clone().into_erased()
[INFO] [stderr] 1243 | |     }
[INFO] [stderr]      | |_____^ the trait `SendSyncRefUnwindSafeDrain` cannot be made into an object
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0038`.
[INFO] [stderr] error: could not compile `slog`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6437913a83ef9853c28021477480dac8c40531d76f0ace453fba17df1d5bb7cd"`
[INFO] running `"docker" "rm" "-f" "6437913a83ef9853c28021477480dac8c40531d76f0ace453fba17df1d5bb7cd"`
[INFO] [stdout] 6437913a83ef9853c28021477480dac8c40531d76f0ace453fba17df1d5bb7cd