[INFO] updating cached repository https://github.com/juicyarts/rocket-socket
[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] 36471eae8d60dd8cd6d4a79de0fa528cac7c6c09
[INFO] checking juicyarts/rocket-socket against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuicyarts%2Frocket-socket" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juicyarts/rocket-socket on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/juicyarts/rocket-socket
[INFO] finished tweaking git repo https://github.com/juicyarts/rocket-socket
[INFO] tweaked toml for git repo https://github.com/juicyarts/rocket-socket written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/juicyarts/rocket-socket already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] 5ed4313cd1e3ba088fddb78d978922a4e925c616a01bbfaabf40e5cbf87561c2
[INFO] running `"docker" "start" "-a" "5ed4313cd1e3ba088fddb78d978922a4e925c616a01bbfaabf40e5cbf87561c2"`
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling indexmap v1.1.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking ws v0.9.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking dynamic_websocket_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     custom_attribute,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     custom_attribute,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rand`
[INFO] [stderr]  --> src/generator/generator.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rand;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0463]: can't find crate for `rand`
[INFO] [stderr]  --> src/generator/generator.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rand;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `dynamic_websocket_server`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dynamic_websocket_server`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5ed4313cd1e3ba088fddb78d978922a4e925c616a01bbfaabf40e5cbf87561c2"`
[INFO] running `"docker" "rm" "-f" "5ed4313cd1e3ba088fddb78d978922a4e925c616a01bbfaabf40e5cbf87561c2"`
[INFO] [stdout] 5ed4313cd1e3ba088fddb78d978922a4e925c616a01bbfaabf40e5cbf87561c2