[INFO] crate pcre 0.2.3 is already in cache
[INFO] checking pcre-0.2.3 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate pcre 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pcre 0.2.3 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 625d298da6ad2cb4e09a8e52a0470fef322313af6002b2ed02e261547b1b597a
[INFO] running `"docker" "start" "-a" "625d298da6ad2cb4e09a8e52a0470fef322313af6002b2ed02e261547b1b597a"`
[INFO] [stderr]     Checking enum-set v0.0.8
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[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 outside of the current crate (in Nightly builds, run with -Z external-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 outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `"docker" "inspect" "625d298da6ad2cb4e09a8e52a0470fef322313af6002b2ed02e261547b1b597a"`
[INFO] running `"docker" "rm" "-f" "625d298da6ad2cb4e09a8e52a0470fef322313af6002b2ed02e261547b1b597a"`
[INFO] [stdout] 625d298da6ad2cb4e09a8e52a0470fef322313af6002b2ed02e261547b1b597a