[INFO] crate rustyle 0.1.0 is already in cache
[INFO] testing rustyle-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rustyle 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustyle 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustyle 0.1.0
[INFO] finished tweaking crates.io crate rustyle 0.1.0
[INFO] tweaked toml for crates.io crate rustyle 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-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=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] 2a1d8c557c292c04d3ce48cf9888f1f9f743a4c6114318a1dfb86c5b79ce1b4e
[INFO] running `"docker" "start" "-a" "2a1d8c557c292c04d3ce48cf9888f1f9f743a4c6114318a1dfb86c5b79ce1b4e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling fasthash v0.4.0
[INFO] [stderr]    Compiling rustyle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(proc_macro_diagnostic)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(proc_macro_span)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/node/declaration.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 |   pub value: Box<Cssifiable>,
[INFO] [stderr]   |                  ^^^^^^^^^^ help: use `dyn`: `dyn Cssifiable`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/parse/root.rs:5:54
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn parse_rustyle(stream: TokenStream) -> Vec<Box<Node>> {
[INFO] [stderr]   |                                                      ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/parse/root.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let mut result = Vec::<Box<Node>>::new();
[INFO] [stderr]   |                              ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:106:15
[INFO] [stderr]     |
[INFO] [stderr] 106 |           err.description()
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rustyle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2a1d8c557c292c04d3ce48cf9888f1f9f743a4c6114318a1dfb86c5b79ce1b4e"`
[INFO] running `"docker" "rm" "-f" "2a1d8c557c292c04d3ce48cf9888f1f9f743a4c6114318a1dfb86c5b79ce1b4e"`
[INFO] [stdout] 2a1d8c557c292c04d3ce48cf9888f1f9f743a4c6114318a1dfb86c5b79ce1b4e