[INFO] fetching crate scdlang 0.2.1...
[INFO] checking scdlang-0.2.1 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate scdlang 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scdlang 0.2.1 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scdlang 0.2.1
[INFO] finished tweaking crates.io crate scdlang 0.2.1
[INFO] tweaked toml for crates.io crate scdlang 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] d5d4294a93952e512876f7b845ba9b9a4582d15cdbc3e6bc82226bf3e5f2cd1c
[INFO] running `"docker" "start" "-a" "d5d4294a93952e512876f7b845ba9b9a4582d15cdbc3e6bc82226bf3e5f2cd1c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking scdlang v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/semantics/kind.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn action(&self) -> Option<&Any/*👈TBD*/> {
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[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/semantics/kind.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn action(&self) -> Option<&Any /*👈TBD*/>;
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/semantics/kind.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn action(&self) -> Option<&Any/*👈TBD*/> {
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[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/semantics/kind.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn action(&self) -> Option<&Any /*👈TBD*/>;
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.08s
[INFO] running `"docker" "inspect" "d5d4294a93952e512876f7b845ba9b9a4582d15cdbc3e6bc82226bf3e5f2cd1c"`
[INFO] running `"docker" "rm" "-f" "d5d4294a93952e512876f7b845ba9b9a4582d15cdbc3e6bc82226bf3e5f2cd1c"`
[INFO] [stdout] d5d4294a93952e512876f7b845ba9b9a4582d15cdbc3e6bc82226bf3e5f2cd1c