[INFO] updating cached repository https://github.com/mozilla-services/rustbox [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aa13988acbf9e4ef2712708530d088282b360ba6 [INFO] checking mozilla-services/rustbox against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla-services%2Frustbox" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mozilla-services/rustbox on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69 [INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mozilla-services/rustbox [INFO] finished tweaking git repo https://github.com/mozilla-services/rustbox [INFO] tweaked toml for git repo https://github.com/mozilla-services/rustbox written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mozilla-services/rustbox already has a lockfile, it will not be regenerated [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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f615cfa62b3cd69b8b0c982fedd7f5420a805567b96a767e3515460121b4759f [INFO] running `"docker" "start" "-a" "f615cfa62b3cd69b8b0c982fedd7f5420a805567b96a767e3515460121b4759f"` [INFO] [stderr] Checking slog v2.2.3 [INFO] [stderr] Compiling serde v1.0.64 [INFO] [stderr] Compiling openssl-sys v0.9.31 [INFO] [stderr] Compiling mysqlclient-sys v0.2.3 [INFO] [stderr] Compiling proc-macro2 v0.4.4 [INFO] [stderr] Checking futures-core v0.2.1 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling rustc_version v0.2.2 [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-2.2.3/src/lib.rs:1793:5 [INFO] [stderr] | [INFO] [stderr] 1793 | map_fn: Box>, [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-2.2.3/src/lib.rs:1065:19 [INFO] [stderr] | [INFO] [stderr] 1065 | pub struct Logger>> [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-2.2.3/src/lib.rs:1103:5 [INFO] [stderr] | [INFO] [stderr] 1103 | / pub fn root(drain: D, values: OwnedKV) -> Logger [INFO] [stderr] 1104 | | where [INFO] [stderr] 1105 | | D: 'static + SendSyncRefUnwindSafeDrain, [INFO] [stderr] 1106 | | T: SendSyncRefUnwindSafeKV + 'static, [INFO] [stderr] ... | [INFO] [stderr] 1112 | | } [INFO] [stderr] 1113 | | } [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-2.2.3/src/lib.rs:1206:5 [INFO] [stderr] | [INFO] [stderr] 1206 | / pub fn into_erased( [INFO] [stderr] 1207 | | self, [INFO] [stderr] 1208 | | ) -> Logger>> [INFO] [stderr] 1209 | | where [INFO] [stderr] ... | [INFO] [stderr] 1216 | | } [INFO] [stderr] 1217 | | } [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-2.2.3/src/lib.rs:1222:5 [INFO] [stderr] | [INFO] [stderr] 1222 | / pub fn to_erased( [INFO] [stderr] 1223 | | &self, [INFO] [stderr] 1224 | | ) -> Logger>> [INFO] [stderr] 1225 | | where [INFO] [stderr] ... | [INFO] [stderr] 1228 | | self.clone().into_erased() [INFO] [stderr] 1229 | | } [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" "f615cfa62b3cd69b8b0c982fedd7f5420a805567b96a767e3515460121b4759f"` [INFO] running `"docker" "rm" "-f" "f615cfa62b3cd69b8b0c982fedd7f5420a805567b96a767e3515460121b4759f"` [INFO] [stdout] f615cfa62b3cd69b8b0c982fedd7f5420a805567b96a767e3515460121b4759f