[INFO] updating cached repository pombase/pombase_rc_string
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pombase/pombase_rc_string
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pombase/pombase_rc_string" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pombase/pombase_rc_string"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pombase/pombase_rc_string'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pombase/pombase_rc_string" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pombase/pombase_rc_string"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pombase/pombase_rc_string'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef7cc29de592e9833c4a094b58180622f95b74c9
[INFO] sha for GitHub repo pombase/pombase_rc_string: ef7cc29de592e9833c4a094b58180622f95b74c9
[INFO] validating manifest of pombase/pombase_rc_string on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pombase/pombase_rc_string on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pombase/pombase_rc_string
[INFO] finished frobbing pombase/pombase_rc_string
[INFO] frobbed toml for pombase/pombase_rc_string written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pombase/pombase_rc_string/Cargo.toml
[INFO] started frobbing pombase/pombase_rc_string
[INFO] finished frobbing pombase/pombase_rc_string
[INFO] frobbed toml for pombase/pombase_rc_string written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pombase/pombase_rc_string/Cargo.toml
[INFO] crate pombase/pombase_rc_string has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pombase/pombase_rc_string against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pombase/pombase_rc_string:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 72bb177d85cb55c7780c1a3707e307d2b55cf5fabdac2312e7ca8142bf1cb1fc
[INFO] running `"docker" "start" "-a" "72bb177d85cb55c7780c1a3707e307d2b55cf5fabdac2312e7ca8142bf1cb1fc"`
[INFO] [stderr]    Compiling weak-table v0.2.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling pombase_rc_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `cache` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref cache: Mutex<WeakHashSet<Weak<String>>> = Mutex::new(WeakHashSet::new());
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to upper case: `CACHE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.17s
[INFO] running `"docker" "inspect" "72bb177d85cb55c7780c1a3707e307d2b55cf5fabdac2312e7ca8142bf1cb1fc"`
[INFO] running `"docker" "rm" "-f" "72bb177d85cb55c7780c1a3707e307d2b55cf5fabdac2312e7ca8142bf1cb1fc"`
[INFO] [stdout] 72bb177d85cb55c7780c1a3707e307d2b55cf5fabdac2312e7ca8142bf1cb1fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pombase/pombase_rc_string:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cd7bd3aadae90fca679cbd0f790a391b044611ad5246cc055499af7215b2e75d
[INFO] running `"docker" "start" "-a" "cd7bd3aadae90fca679cbd0f790a391b044611ad5246cc055499af7215b2e75d"`
[INFO] [stderr]    Compiling pombase_rc_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `cache` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref cache: Mutex<WeakHashSet<Weak<String>>> = Mutex::new(WeakHashSet::new());
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to upper case: `CACHE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `"docker" "inspect" "cd7bd3aadae90fca679cbd0f790a391b044611ad5246cc055499af7215b2e75d"`
[INFO] running `"docker" "rm" "-f" "cd7bd3aadae90fca679cbd0f790a391b044611ad5246cc055499af7215b2e75d"`
[INFO] [stdout] cd7bd3aadae90fca679cbd0f790a391b044611ad5246cc055499af7215b2e75d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pombase/pombase_rc_string:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 29e641bab1208bad9cbadd6d83653b6a990753246456223ab22692e07e6608a9
[INFO] running `"docker" "start" "-a" "29e641bab1208bad9cbadd6d83653b6a990753246456223ab22692e07e6608a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pombase_rc_string-0796a0df01ab5a77
[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-0d005091b6e506bc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pombase_rc_string
[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" "29e641bab1208bad9cbadd6d83653b6a990753246456223ab22692e07e6608a9"`
[INFO] running `"docker" "rm" "-f" "29e641bab1208bad9cbadd6d83653b6a990753246456223ab22692e07e6608a9"`
[INFO] [stdout] 29e641bab1208bad9cbadd6d83653b6a990753246456223ab22692e07e6608a9