[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 457826564e9196e7a02b0ddd4699946a6d1af712
[INFO] checking niklasf/lila-push against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklasf%2Flila-push" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niklasf/lila-push on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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-2/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" "+beta-2019-10-27" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=allow" "-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" "+beta-2019-10-27" "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] 9e777e78637262801c239f3b46cc9fa3c74c55b7468507ff5bdd371651aea2bc
[INFO] running `"docker" "start" "-a" "9e777e78637262801c239f3b46cc9fa3c74c55b7468507ff5bdd371651aea2bc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking chrono v0.4.8
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking http-service v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking http-service-hyper v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]     Checking structopt v0.3.0
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_qs v0.5.0
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking tide-core v0.2.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking web-push v0.5.0
[INFO] [stderr]     Checking tide-querystring v0.1.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking tide-forms v0.1.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking tide-cookies v0.2.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking tide-headers v0.1.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking tide-cors v0.2.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking tide-log v0.1.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking tide v0.2.0 (https://github.com/rustasync/tide#af0b900b)
[INFO] [stderr]     Checking lila-push v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_blocks)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta 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] warning: build failed, waiting for other jobs to finish...
[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" "9e777e78637262801c239f3b46cc9fa3c74c55b7468507ff5bdd371651aea2bc"`
[INFO] running `"docker" "rm" "-f" "9e777e78637262801c239f3b46cc9fa3c74c55b7468507ff5bdd371651aea2bc"`
[INFO] [stdout] 9e777e78637262801c239f3b46cc9fa3c74c55b7468507ff5bdd371651aea2bc