[INFO] updating cached repository https://github.com/mfcastellani/towerweb-nubank
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 309eb785f7dbf16478dbad3fb661e996645a6b9d
[INFO] testing mfcastellani/towerweb-nubank against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfcastellani%2Ftowerweb-nubank" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfcastellani/towerweb-nubank on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mfcastellani/towerweb-nubank
[INFO] finished tweaking git repo https://github.com/mfcastellani/towerweb-nubank
[INFO] tweaked toml for git repo https://github.com/mfcastellani/towerweb-nubank written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mfcastellani/towerweb-nubank already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f005659d6abc1305928140101a7eb2a98eaec7f288c518c21a6edc83f6bf507f
[INFO] running `"docker" "start" "-a" "f005659d6abc1305928140101a7eb2a98eaec7f288c518c21a6edc83f6bf507f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling atoi v0.2.3
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling serde_plain v0.3.0
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling flate2 v1.0.5
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr]    Compiling hyper v0.12.16
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling tower-web-macros v0.3.2
[INFO] [stderr]    Compiling tower-web v0.3.3
[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-0.3.3/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]    = note: to use `async fn`, switch to Rust 2018
[INFO] [stderr]    = help: set `edition = "2018"` in `Cargo.toml`
[INFO] [stderr]    = note: for more on editions, read https://doc.rust-lang.org/edition-guide
[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" "f005659d6abc1305928140101a7eb2a98eaec7f288c518c21a6edc83f6bf507f"`
[INFO] running `"docker" "rm" "-f" "f005659d6abc1305928140101a7eb2a98eaec7f288c518c21a6edc83f6bf507f"`
[INFO] [stdout] f005659d6abc1305928140101a7eb2a98eaec7f288c518c21a6edc83f6bf507f