[INFO] crate pcre 0.2.3 is already in cache
[INFO] extracting crate pcre 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/pcre/0.2.3
[INFO] extracting crate pcre 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pcre/0.2.3
[INFO] validating manifest of pcre-0.2.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pcre-0.2.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/pcre/0.2.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pcre-0.2.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 574a34d655b6fac38fd024b7dddcbe3fc52b4f7d62f43ef124ec6e9770c27eb9
[INFO] running `"docker" "start" "-a" "574a34d655b6fac38fd024b7dddcbe3fc52b4f7d62f43ef124ec6e9770c27eb9"`
[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 3.50s
[INFO] running `"docker" "inspect" "574a34d655b6fac38fd024b7dddcbe3fc52b4f7d62f43ef124ec6e9770c27eb9"`
[INFO] running `"docker" "rm" "-f" "574a34d655b6fac38fd024b7dddcbe3fc52b4f7d62f43ef124ec6e9770c27eb9"`
[INFO] [stdout] 574a34d655b6fac38fd024b7dddcbe3fc52b4f7d62f43ef124ec6e9770c27eb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1e17daf19fe4a8edbedf19ecdb8807ed754f4ce4ff906e841e9aa984c569d770
[INFO] running `"docker" "start" "-a" "1e17daf19fe4a8edbedf19ecdb8807ed754f4ce4ff906e841e9aa984c569d770"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.30s
[INFO] running `"docker" "inspect" "1e17daf19fe4a8edbedf19ecdb8807ed754f4ce4ff906e841e9aa984c569d770"`
[INFO] running `"docker" "rm" "-f" "1e17daf19fe4a8edbedf19ecdb8807ed754f4ce4ff906e841e9aa984c569d770"`
[INFO] [stdout] 1e17daf19fe4a8edbedf19ecdb8807ed754f4ce4ff906e841e9aa984c569d770
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d19b59046d89cb758d874845ad3e02d9bd4f226e132de3a497ec380e3ca147e1
[INFO] running `"docker" "start" "-a" "d19b59046d89cb758d874845ad3e02d9bd4f226e132de3a497ec380e3ca147e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pcre-11c45678494313c4
[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] [stderr]      Running /opt/crater/target/debug/deps/test-4911ecdbfb21929c
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_compile_bad_pattern ... ok
[INFO] [stdout] test test_exec_from_basic ... ok
[INFO] [stdout] test test_exec_no_match ... ok
[INFO] [stdout] test test_exec_nul_byte ... ok
[INFO] [stdout] test test_optional_capture ... ok
[INFO] [stdout] test test_study_basic ... ok
[INFO] [stdout] test test_matches_basic ... ok
[INFO] [stdout] test test_extra_mark ... ok
[INFO] [stdout] test test_compile_capture_count ... ok
[INFO] [stdout] test test_exec_basic ... ok
[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] [stderr]    Doc-tests pcre
[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" "d19b59046d89cb758d874845ad3e02d9bd4f226e132de3a497ec380e3ca147e1"`
[INFO] running `"docker" "rm" "-f" "d19b59046d89cb758d874845ad3e02d9bd4f226e132de3a497ec380e3ca147e1"`
[INFO] [stdout] d19b59046d89cb758d874845ad3e02d9bd4f226e132de3a497ec380e3ca147e1