[INFO] crate extdot-impl 0.2.0 is already in cache
[INFO] checking extdot-impl-0.2.0 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate extdot-impl 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate extdot-impl 0.2.0 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate extdot-impl 0.2.0
[INFO] finished tweaking crates.io crate extdot-impl 0.2.0
[INFO] tweaked toml for crates.io crate extdot-impl 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] e3e358573f173408a080e1bbcf119e38d3a99dc81c58b2145c11159984d20bf2
[INFO] running `"docker" "start" "-a" "e3e358573f173408a080e1bbcf119e38d3a99dc81c58b2145c11159984d20bf2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking extdot-impl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:37:29
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut rv: Vec<Box<Iterator<Item = TokenTree>>> = vec![];
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = TokenTree>`
[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/lib.rs:37:29
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut rv: Vec<Box<Iterator<Item = TokenTree>>> = vec![];
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = TokenTree>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "e3e358573f173408a080e1bbcf119e38d3a99dc81c58b2145c11159984d20bf2"`
[INFO] running `"docker" "rm" "-f" "e3e358573f173408a080e1bbcf119e38d3a99dc81c58b2145c11159984d20bf2"`
[INFO] [stdout] e3e358573f173408a080e1bbcf119e38d3a99dc81c58b2145c11159984d20bf2