[INFO] updating cached repository https://github.com/niklasf/lila-push
[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] [stderr] From https://github.com/niklasf/lila-push
[INFO] [stderr]  * [new branch]      dependabot/cargo/serde-1.0.111 -> dependabot/cargo/serde-1.0.111
[INFO] [stderr]  * [new branch]      dependabot/cargo/structopt-0.3.14 -> dependabot/cargo/structopt-0.3.14
[INFO] [stderr]  * [new branch]      dependabot/cargo/tokio-0.2.21 -> dependabot/cargo/tokio-0.2.21
[INFO] [stderr]  * [new branch]      dependabot/cargo/warp-0.2.3 -> dependabot/cargo/warp-0.2.3
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ca1ff30b16fbb51b2723c61775812bcd6bdd43d
[INFO] testing niklasf/lila-push against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasf%2Flila-push" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niklasf/lila-push 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/niklasf/lila-push
[INFO] finished tweaking git repo https://github.com/niklasf/lila-push
[INFO] tweaked toml for git repo https://github.com/niklasf/lila-push written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/niklasf/lila-push 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d766be83168d9ff51d59782ddda0e89e96f521cff29b21ca0ae8f46a18a95ab2
[INFO] running `"docker" "start" "-a" "d766be83168d9ff51d59782ddda0e89e96f521cff29b21ca0ae8f46a18a95ab2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling erased-serde v0.3.11
[INFO] [stderr]    Compiling warp v0.2.2
[INFO] [stderr]    Compiling web-push v0.7.2
[INFO] [stderr]    Compiling lila-push v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_blocks)]
[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 E0554`.
[INFO] [stderr] error: could not compile `lila-push`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d766be83168d9ff51d59782ddda0e89e96f521cff29b21ca0ae8f46a18a95ab2"`
[INFO] running `"docker" "rm" "-f" "d766be83168d9ff51d59782ddda0e89e96f521cff29b21ca0ae8f46a18a95ab2"`
[INFO] [stdout] d766be83168d9ff51d59782ddda0e89e96f521cff29b21ca0ae8f46a18a95ab2