[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-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/arjsin/tower-web-fileserving"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/arjsin/tower-web-fileserving'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/arjsin/tower-web-fileserving" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/arjsin/tower-web-fileserving"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/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#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of arjsin/tower-web-fileserving on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-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-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/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-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking arjsin/tower-web-fileserving against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-1/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3e620131eb756ab36115731f911536edcb79811e65e37559fc0809ef8c5a3630 [INFO] running `"docker" "start" "-a" "3e620131eb756ab36115731f911536edcb79811e65e37559fc0809ef8c5a3630"` [INFO] [stderr] Checking serde_plain v0.3.0 [INFO] [stderr] Checking sct v0.4.0 [INFO] [stderr] Checking webpki v0.18.1 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking headers-core v0.1.0 [INFO] [stderr] Checking handlebars v1.0.5 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking rustls v0.14.0 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking tokio-threadpool v0.1.11 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.1.5 [INFO] [stderr] Checking tokio-rustls v0.8.1 [INFO] [stderr] Checking tokio v0.1.15 [INFO] [stderr] Checking hyper v0.12.23 [INFO] [stderr] Compiling headers-derive v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.86 [INFO] [stderr] Compiling tower-web-macros v0.3.3 [INFO] [stderr] Checking headers v0.2.1 [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(future: T) -> Result [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" "3e620131eb756ab36115731f911536edcb79811e65e37559fc0809ef8c5a3630"` [INFO] running `"docker" "rm" "-f" "3e620131eb756ab36115731f911536edcb79811e65e37559fc0809ef8c5a3630"` [INFO] [stdout] 3e620131eb756ab36115731f911536edcb79811e65e37559fc0809ef8c5a3630