[INFO] crate pcre 0.2.3 is already in cache
[INFO] extracting crate pcre 0.2.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/pcre/0.2.3
[INFO] extracting crate pcre 0.2.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pcre/0.2.3
[INFO] validating manifest of pcre-0.2.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pcre-0.2.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pcre-0.2.3
[INFO] removed path dependency libpcre-sys from pcre-0.2.3
[INFO] finished frobbing pcre-0.2.3
[INFO] frobbed toml for pcre-0.2.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/pcre/0.2.3/Cargo.toml
[INFO] started frobbing pcre-0.2.3
[INFO] removed path dependency libpcre-sys from pcre-0.2.3
[INFO] finished frobbing pcre-0.2.3
[INFO] frobbed toml for pcre-0.2.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pcre/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pcre-0.2.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pcre/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4ce8e1f246fe46c2929dfcdea00e26a81e4ba5e1964c513c798e6c0eb8232e9f
[INFO] running `"docker" "start" "-a" "4ce8e1f246fe46c2929dfcdea00e26a81e4ba5e1964c513c798e6c0eb8232e9f"`
[INFO] [stderr]    Compiling enum-set v0.0.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling libpcre-sys v0.2.2
[INFO] [stderr]    Compiling pcre v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/detail/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         panic!("pcre_study");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[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 4.22s
[INFO] running `"docker" "inspect" "4ce8e1f246fe46c2929dfcdea00e26a81e4ba5e1964c513c798e6c0eb8232e9f"`
[INFO] running `"docker" "rm" "-f" "4ce8e1f246fe46c2929dfcdea00e26a81e4ba5e1964c513c798e6c0eb8232e9f"`
[INFO] [stdout] 4ce8e1f246fe46c2929dfcdea00e26a81e4ba5e1964c513c798e6c0eb8232e9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pcre/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2e3f07b790a6366f490e859374793e9b7d3edb33d0a2d67378368e7362dc6647
[INFO] running `"docker" "start" "-a" "2e3f07b790a6366f490e859374793e9b7d3edb33d0a2d67378368e7362dc6647"`
[INFO] [stderr]    Compiling pcre v0.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/detail/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         panic!("pcre_study");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[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 1.26s
[INFO] running `"docker" "inspect" "2e3f07b790a6366f490e859374793e9b7d3edb33d0a2d67378368e7362dc6647"`
[INFO] running `"docker" "rm" "-f" "2e3f07b790a6366f490e859374793e9b7d3edb33d0a2d67378368e7362dc6647"`
[INFO] [stdout] 2e3f07b790a6366f490e859374793e9b7d3edb33d0a2d67378368e7362dc6647
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pcre/0.2.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1567129cd3542e9a598fde2a121440486644ef5b547c0889935c22b4f221c918
[INFO] running `"docker" "start" "-a" "1567129cd3542e9a598fde2a121440486644ef5b547c0889935c22b4f221c918"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pcre-a897bf09a90f46be
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-3fff6e1e1b79a8ff
[INFO] [stdout] test test_compile_bad_pattern ... ok
[INFO] [stdout] test test_exec_basic ... ok
[INFO] [stdout] test test_exec_from_basic ... ok
[INFO] [stdout] test test_exec_nul_byte ... ok
[INFO] [stdout] test test_matches_basic ... ok
[INFO] [stdout] test test_exec_no_match ... ok
[INFO] [stdout] test test_compile_capture_count ... ok
[INFO] [stdout] test test_optional_capture ... ok
[INFO] [stdout] test test_study_basic ... ok
[INFO] [stdout] test test_extra_mark ... ok
[INFO] [stderr]    Doc-tests pcre
[INFO] [stdout] test test_compile_nul ... ok
[INFO] [stdout] test test_compile_bad_pattern2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1567129cd3542e9a598fde2a121440486644ef5b547c0889935c22b4f221c918"`
[INFO] running `"docker" "rm" "-f" "1567129cd3542e9a598fde2a121440486644ef5b547c0889935c22b4f221c918"`
[INFO] [stdout] 1567129cd3542e9a598fde2a121440486644ef5b547c0889935c22b4f221c918