[INFO] updating cached repository arjsin/tower-web-fileserving
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arjsin/tower-web-fileserving
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arjsin/tower-web-fileserving" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/arjsin/tower-web-fileserving"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/arjsin/tower-web-fileserving'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arjsin/tower-web-fileserving" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/arjsin/tower-web-fileserving"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/arjsin/tower-web-fileserving'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdcfbb6fe15cdcc96f3e48eee85ea6e8a972e8b8
[INFO] sha for GitHub repo arjsin/tower-web-fileserving: cdcfbb6fe15cdcc96f3e48eee85ea6e8a972e8b8
[INFO] validating manifest of arjsin/tower-web-fileserving on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arjsin/tower-web-fileserving on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arjsin/tower-web-fileserving
[INFO] finished frobbing arjsin/tower-web-fileserving
[INFO] frobbed toml for arjsin/tower-web-fileserving written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/arjsin/tower-web-fileserving/Cargo.toml
[INFO] started frobbing arjsin/tower-web-fileserving
[INFO] finished frobbing arjsin/tower-web-fileserving
[INFO] frobbed toml for arjsin/tower-web-fileserving written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/arjsin/tower-web-fileserving/Cargo.toml
[INFO] crate arjsin/tower-web-fileserving already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking arjsin/tower-web-fileserving against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-7/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/arjsin/tower-web-fileserving:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5e4a747b4bda6e5e559297b0084e18ac9d9b688c38c883b6532f3d95582e2d11
[INFO] running `"docker" "start" "-a" "5e4a747b4bda6e5e559297b0084e18ac9d9b688c38c883b6532f3d95582e2d11"`
[INFO] [stderr]     Checking serde_plain v0.3.0
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.86
[INFO] [stderr]    Compiling tower-web-macros v0.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking hyper v0.12.23
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking headers v0.2.1
[INFO] [stderr]     Checking tokio-rustls v0.8.1
[INFO] [stderr]     Checking tower-web v0.3.4
[INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-web-0.3.4/src/codegen/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     async fn map_ok<T, E>(future: T) -> Result<T::Output, E>
[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 E0670`.
[INFO] [stderr] error: Could not compile `tower-web`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5e4a747b4bda6e5e559297b0084e18ac9d9b688c38c883b6532f3d95582e2d11"`
[INFO] running `"docker" "rm" "-f" "5e4a747b4bda6e5e559297b0084e18ac9d9b688c38c883b6532f3d95582e2d11"`
[INFO] [stdout] 5e4a747b4bda6e5e559297b0084e18ac9d9b688c38c883b6532f3d95582e2d11