[INFO] updating cached repository https://github.com/martskins/tide-workshop
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 52f557c169d20c9c81502a7303548dfbfd5facbf
[INFO] checking martskins/tide-workshop against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartskins%2Ftide-workshop" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martskins/tide-workshop on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/martskins/tide-workshop
[INFO] finished tweaking git repo https://github.com/martskins/tide-workshop
[INFO] tweaked toml for git repo https://github.com/martskins/tide-workshop written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/martskins/tide-workshop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d6b65ca20aea0720f861cba274fb6c3470a24d8e42228e685ad7c19dfb558de7
[INFO] running `"docker" "start" "-a" "d6b65ca20aea0720f861cba274fb6c3470a24d8e42228e685ad7c19dfb558de7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking buf_redux v0.8.2
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking http-service v0.2.0 (https://github.com/rustasync/http-service#736be519)
[INFO] [stderr]     Checking http-service-hyper v0.2.0 (https://github.com/rustasync/http-service#736be519)
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking serde v1.0.97
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking tide-core v0.2.0 (https://github.com/rustasync/tide#9a9b10a6)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/tide-d8df193c9a60972c/9a9b10a/tide-core/src/lib.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(async_await, existential_type)]
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: removed in favor of `#![feature(type_alias_impl_trait)]`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/tide-d8df193c9a60972c/9a9b10a/tide-core/src/lib.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(async_await, existential_type)]
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: Could not compile `tide-core`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d6b65ca20aea0720f861cba274fb6c3470a24d8e42228e685ad7c19dfb558de7"`
[INFO] running `"docker" "rm" "-f" "d6b65ca20aea0720f861cba274fb6c3470a24d8e42228e685ad7c19dfb558de7"`
[INFO] [stdout] d6b65ca20aea0720f861cba274fb6c3470a24d8e42228e685ad7c19dfb558de7