[INFO] fetching crate cr-sys 0.1.1...
[INFO] checking cr-sys-0.1.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate cr-sys 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cr-sys 0.1.1 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cr-sys 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cr-sys 0.1.1
[INFO] tweaked toml for crates.io crate cr-sys 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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=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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] c6d9bca9237d928a404d6ef10fce334f0866efbf26608f0104a473fb16df5166
[INFO] running `"docker" "start" "-a" "c6d9bca9237d928a404d6ef10fce334f0866efbf26608f0104a473fb16df5166"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling cr-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: In file included from src/host.cpp:2:
[INFO] [stderr] warning: src/../vendor/cr.h: In function 'bool cr_is_empty(const void*, int64_t)':
[INFO] [stderr] warning: src/../vendor/cr.h:1216:33: warning: type qualifiers ignored on cast result type [-Wignored-qualifiers]
[INFO] [stderr] warning:  1216 |     auto c = (const char *const)buf;
[INFO] [stderr] warning:       |                                 ^~~
[INFO] [stderr] error[E0601]: `main` function not found in crate `raw_state`
[INFO] [stderr]  --> examples/raw_state.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / #[derive(Debug)]
[INFO] [stderr] 2 | | pub struct RawState {
[INFO] [stderr] 3 | |     pub counter: i32,
[INFO] [stderr] 4 | | }
[INFO] [stderr]   | |_^ consider adding a `main` function to `examples/raw_state.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: In file included from src/host.cpp:2:
[INFO] [stderr] warning: src/../vendor/cr.h: In function 'bool cr_is_empty(const void*, int64_t)':
[INFO] [stderr] warning: src/../vendor/cr.h:1216:33: warning: type qualifiers ignored on cast result type [-Wignored-qualifiers]
[INFO] [stderr] warning:  1216 |     auto c = (const char *const)buf;
[INFO] [stderr] warning:       |                                 ^~~
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cr-sys`.
[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] warning: unreachable statement
[INFO] [stderr]   --> examples/raw_host.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     loop {
[INFO] [stderr] 32 | |         println!("Run Update: cr_failure={:?}", plugin.failure);
[INFO] [stderr] 33 | |         let rc = unsafe { cr_plugin_update(&mut plugin, true) };
[INFO] [stderr] 34 | |         println!("cr_plugin_update(ctx, true) = {}", rc);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |         thread::sleep(Duration::from_millis(200));
[INFO] [stderr] 45 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 46 |       println!("Call cr_plugin_close(ctx)");
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c6d9bca9237d928a404d6ef10fce334f0866efbf26608f0104a473fb16df5166"`
[INFO] running `"docker" "rm" "-f" "c6d9bca9237d928a404d6ef10fce334f0866efbf26608f0104a473fb16df5166"`
[INFO] [stdout] c6d9bca9237d928a404d6ef10fce334f0866efbf26608f0104a473fb16df5166