[INFO] crate pcre 0.2.3 is already in cache
[INFO] checking pcre-0.2.3 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate pcre 0.2.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pcre 0.2.3 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pcre 0.2.3
[INFO] removed path dependency libpcre-sys from crates.io crate pcre 0.2.3
[INFO] finished tweaking crates.io crate pcre 0.2.3
[INFO] tweaked toml for crates.io crate pcre 0.2.3 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9b7100d09c66a27a7d755ac4ca1beaf2d81ed32e582905666f54bc2fd3ddb7eb
[INFO] running `"docker" "start" "-a" "9b7100d09c66a27a7d755ac4ca1beaf2d81ed32e582905666f54bc2fd3ddb7eb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking enum-set v0.0.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling libpcre-sys v0.2.2
[INFO] [stderr]     Checking pcre v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/detail/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         match String::from_utf8(Vec::from(err_cstr.to_bytes())) {
[INFO] [stderr] 100 | |             Err(_) => panic!("pcre_study() failed"),
[INFO] [stderr] 101 | |             Ok(err_str) => panic!("pcre_study() failed: {}", err_str)
[INFO] [stderr] 102 | |         }
[INFO] [stderr]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 103 |           panic!("pcre_study");
[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: unreachable statement
[INFO] [stderr]    --> src/detail/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         match String::from_utf8(Vec::from(err_cstr.to_bytes())) {
[INFO] [stderr] 100 | |             Err(_) => panic!("pcre_study() failed"),
[INFO] [stderr] 101 | |             Ok(err_str) => panic!("pcre_study() failed: {}", err_str)
[INFO] [stderr] 102 | |         }
[INFO] [stderr]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 103 |           panic!("pcre_study");
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `"docker" "inspect" "9b7100d09c66a27a7d755ac4ca1beaf2d81ed32e582905666f54bc2fd3ddb7eb"`
[INFO] running `"docker" "rm" "-f" "9b7100d09c66a27a7d755ac4ca1beaf2d81ed32e582905666f54bc2fd3ddb7eb"`
[INFO] [stdout] 9b7100d09c66a27a7d755ac4ca1beaf2d81ed32e582905666f54bc2fd3ddb7eb