[INFO] cloning repository miquels/webdav-handler-rs [INFO] running `"git" "clone" "--bare" "git://github.com/miquels/webdav-handler-rs.git" "work/cache/sources/gh/miquels/webdav-handler-rs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/miquels/webdav-handler-rs'... [INFO] running `"git" "clone" "work/cache/sources/gh/miquels/webdav-handler-rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/miquels/webdav-handler-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/miquels/webdav-handler-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/miquels/webdav-handler-rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/miquels/webdav-handler-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/miquels/webdav-handler-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 02433c1acfccd848a7de26889f6857cbad559076 [INFO] sha for GitHub repo miquels/webdav-handler-rs: 02433c1acfccd848a7de26889f6857cbad559076 [INFO] validating manifest of miquels/webdav-handler-rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of miquels/webdav-handler-rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing miquels/webdav-handler-rs [INFO] finished frobbing miquels/webdav-handler-rs [INFO] frobbed toml for miquels/webdav-handler-rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/miquels/webdav-handler-rs/Cargo.toml [INFO] started frobbing miquels/webdav-handler-rs [INFO] finished frobbing miquels/webdav-handler-rs [INFO] frobbed toml for miquels/webdav-handler-rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/miquels/webdav-handler-rs/Cargo.toml [INFO] crate miquels/webdav-handler-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking miquels/webdav-handler-rs against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/miquels/webdav-handler-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] dc02862e90c8a7e43af0db918e28d06b43b5b57232922b2433c4294fcc44f8e6 [INFO] running `"docker" "start" "-a" "dc02862e90c8a7e43af0db918e28d06b43b5b57232922b2433c4294fcc44f8e6"` [INFO] [stderr] Checking socket2 v0.3.9 [INFO] [stderr] Checking hashbrown v0.1.8 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking cookie v0.11.1 [INFO] [stderr] Checking xmltree v0.8.0 [INFO] [stderr] Compiling v_escape_derive v0.5.3 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Compiling headers-derive v0.1.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Checking headers-core v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking lru v0.1.15 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking headers v0.2.1 [INFO] [stderr] Checking trust-dns-proto v0.6.3 [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Compiling v_escape v0.7.2 [INFO] [stderr] Compiling v_htmlescape v0.4.3 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking hyper v0.12.30 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.16 [INFO] [stderr] Checking trust-dns-resolver v0.10.3 [INFO] [stderr] Checking webdav-handler v0.1.1 (/opt/crater/workdir) [INFO] [stderr] Checking actix v0.7.9 [INFO] [stderr] error[E0635]: unknown feature `async_closure` [INFO] [stderr] --> src/lib.rs:121:12 [INFO] [stderr] | [INFO] [stderr] 121 | #![feature(async_closure)] [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 E0635`. [INFO] [stderr] error: Could not compile `webdav-handler`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "dc02862e90c8a7e43af0db918e28d06b43b5b57232922b2433c4294fcc44f8e6"` [INFO] running `"docker" "rm" "-f" "dc02862e90c8a7e43af0db918e28d06b43b5b57232922b2433c4294fcc44f8e6"` [INFO] [stdout] dc02862e90c8a7e43af0db918e28d06b43b5b57232922b2433c4294fcc44f8e6