[INFO] updating cached repository ivanceras/rust-node-ffi-string
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ivanceras/rust-node-ffi-string
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanceras/rust-node-ffi-string" "work/ex/beta-1.37-6/sources/1.36.0/gh/ivanceras/rust-node-ffi-string"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ivanceras/rust-node-ffi-string'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanceras/rust-node-ffi-string" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanceras/rust-node-ffi-string"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanceras/rust-node-ffi-string'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6cb7e061c73600e7961cfdd8e78000ae574813c9
[INFO] sha for GitHub repo ivanceras/rust-node-ffi-string: 6cb7e061c73600e7961cfdd8e78000ae574813c9
[INFO] validating manifest of ivanceras/rust-node-ffi-string 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 ivanceras/rust-node-ffi-string 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 ivanceras/rust-node-ffi-string
[INFO] finished frobbing ivanceras/rust-node-ffi-string
[INFO] frobbed toml for ivanceras/rust-node-ffi-string written to work/ex/beta-1.37-6/sources/1.36.0/gh/ivanceras/rust-node-ffi-string/Cargo.toml
[INFO] started frobbing ivanceras/rust-node-ffi-string
[INFO] finished frobbing ivanceras/rust-node-ffi-string
[INFO] frobbed toml for ivanceras/rust-node-ffi-string written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanceras/rust-node-ffi-string/Cargo.toml
[INFO] crate ivanceras/rust-node-ffi-string already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanceras/rust-node-ffi-string/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] 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] testing ivanceras/rust-node-ffi-string against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanceras/rust-node-ffi-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=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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 91284a8df901361e029edaa1077289388eab5a4e55a68c40dfa4c6103be2a8c9
[INFO] running `"docker" "start" "-a" "91284a8df901361e029edaa1077289388eab5a4e55a68c40dfa4c6103be2a8c9"`
[INFO] [stderr]    Compiling stringtools v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `initialized` should have an upper case name
[INFO] [stderr]  --> src/lib.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | static mut initialized: bool = false;
[INFO] [stderr]   |            ^^^^^^^^^^^ help: convert the identifier to upper case: `INITIALIZED`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "91284a8df901361e029edaa1077289388eab5a4e55a68c40dfa4c6103be2a8c9"`
[INFO] running `"docker" "rm" "-f" "91284a8df901361e029edaa1077289388eab5a4e55a68c40dfa4c6103be2a8c9"`
[INFO] [stdout] 91284a8df901361e029edaa1077289388eab5a4e55a68c40dfa4c6103be2a8c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanceras/rust-node-ffi-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=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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61b0a1e281e63fc846214ca9b348f0d03567760ded8f7b04185d291c61dde79e
[INFO] running `"docker" "start" "-a" "61b0a1e281e63fc846214ca9b348f0d03567760ded8f7b04185d291c61dde79e"`
[INFO] [stderr]    Compiling stringtools v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `initialized` should have an upper case name
[INFO] [stderr]  --> src/lib.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | static mut initialized: bool = false;
[INFO] [stderr]   |            ^^^^^^^^^^^ help: convert the identifier to upper case: `INITIALIZED`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "61b0a1e281e63fc846214ca9b348f0d03567760ded8f7b04185d291c61dde79e"`
[INFO] running `"docker" "rm" "-f" "61b0a1e281e63fc846214ca9b348f0d03567760ded8f7b04185d291c61dde79e"`
[INFO] [stdout] 61b0a1e281e63fc846214ca9b348f0d03567760ded8f7b04185d291c61dde79e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanceras/rust-node-ffi-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=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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0cd15992e0c676b8e80a2f918d73585e5a238d035b51d82650204f3065bdd831
[INFO] running `"docker" "start" "-a" "0cd15992e0c676b8e80a2f918d73585e5a238d035b51d82650204f3065bdd831"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stringtools-166bcfa54c895e2e
[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" "0cd15992e0c676b8e80a2f918d73585e5a238d035b51d82650204f3065bdd831"`
[INFO] running `"docker" "rm" "-f" "0cd15992e0c676b8e80a2f918d73585e5a238d035b51d82650204f3065bdd831"`
[INFO] [stdout] 0cd15992e0c676b8e80a2f918d73585e5a238d035b51d82650204f3065bdd831