[INFO] cloning repository https://github.com/arjsin/tower-web-fileserving [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arjsin/tower-web-fileserving" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjsin%2Ftower-web-fileserving"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjsin%2Ftower-web-fileserving'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cdcfbb6fe15cdcc96f3e48eee85ea6e8a972e8b8 [INFO] checking arjsin/tower-web-fileserving against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjsin%2Ftower-web-fileserving" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arjsin/tower-web-fileserving on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/arjsin/tower-web-fileserving [INFO] finished tweaking git repo https://github.com/arjsin/tower-web-fileserving [INFO] tweaked toml for git repo https://github.com/arjsin/tower-web-fileserving written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/arjsin/tower-web-fileserving already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 2ab73d3b10f5e7530d6f6f78f00357b15964f50e5f6513090d24304d0b4761bf [INFO] running `"docker" "start" "-a" "2ab73d3b10f5e7530d6f6f78f00357b15964f50e5f6513090d24304d0b4761bf"` [INFO] [stderr] Compiling serde v1.0.86 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking miniz-sys v0.1.11 [INFO] [stderr] Checking atoi v0.2.3 [INFO] [stderr] Checking checked v0.5.0 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.11 [INFO] [stderr] Checking http v0.1.15 [INFO] [stderr] Checking block-buffer v0.7.2 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Checking h2 v0.1.16 [INFO] [stderr] Checking headers-core v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-threadpool v0.1.11 [INFO] [stderr] Checking sct v0.4.0 [INFO] [stderr] Checking webpki v0.18.1 [INFO] [stderr] Checking rustls v0.14.0 [INFO] [stderr] Checking tokio-fs v0.1.5 [INFO] [stderr] Checking tokio v0.1.15 [INFO] [stderr] Checking tokio-rustls v0.8.1 [INFO] [stderr] Checking serde_json v1.0.38 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking serde_plain v0.3.0 [INFO] [stderr] Checking hyper v0.12.23 [INFO] [stderr] Checking handlebars v1.0.5 [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/rustwide/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" "2ab73d3b10f5e7530d6f6f78f00357b15964f50e5f6513090d24304d0b4761bf"` [INFO] running `"docker" "rm" "-f" "2ab73d3b10f5e7530d6f6f78f00357b15964f50e5f6513090d24304d0b4761bf"` [INFO] [stdout] 2ab73d3b10f5e7530d6f6f78f00357b15964f50e5f6513090d24304d0b4761bf