[INFO] updating cached repository https://github.com/plorefice/dtls
[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] af8fceb77979640ce3e4175fb06279cd5f55c1cc
[INFO] checking plorefice/dtls against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplorefice%2Fdtls" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plorefice/dtls on toolchain 2da942f32802c8233a09744024dfbc34431adf65
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/plorefice/dtls
[INFO] finished tweaking git repo https://github.com/plorefice/dtls
[INFO] tweaked toml for git repo https://github.com/plorefice/dtls written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/plorefice/dtls already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2da942f32802c8233a09744024dfbc34431adf65" "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] ec062c6f9df01255eaa84188714da5342e0b442eda9859f063bc3f8816d05e1e
[INFO] running `"docker" "start" "-a" "ec062c6f9df01255eaa84188714da5342e0b442eda9859f063bc3f8816d05e1e"`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking nom v5.0.1
[INFO] [stderr]     Checking dtls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:53
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Box::new(File::open(fname).unwrap()) as Box<Read>
[INFO] [stderr]   |                                                     ^^^^ help: use `dyn`: `dyn Read`
[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/main.rs:11:43
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Box::new(std::io::stdin()) as Box<Read>
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_file`
[INFO] [stderr]   --> src/ast/parser.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn parse_file<P: AsRef<Path>>(path: P) -> Result<Dts> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:53
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Box::new(File::open(fname).unwrap()) as Box<Read>
[INFO] [stderr]   |                                                     ^^^^ help: use `dyn`: `dyn Read`
[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/main.rs:11:43
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Box::new(std::io::stdin()) as Box<Read>
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_file`
[INFO] [stderr]   --> src/ast/parser.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn parse_file<P: AsRef<Path>>(path: P) -> Result<Dts> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.73s
[INFO] running `"docker" "inspect" "ec062c6f9df01255eaa84188714da5342e0b442eda9859f063bc3f8816d05e1e"`
[INFO] running `"docker" "rm" "-f" "ec062c6f9df01255eaa84188714da5342e0b442eda9859f063bc3f8816d05e1e"`
[INFO] [stdout] ec062c6f9df01255eaa84188714da5342e0b442eda9859f063bc3f8816d05e1e