[INFO] updating cached repository CugeDe/-RUST-FFI
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CugeDe/-RUST-FFI
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CugeDe/-RUST-FFI" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CugeDe/-RUST-FFI"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CugeDe/-RUST-FFI'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CugeDe/-RUST-FFI" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CugeDe/-RUST-FFI"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CugeDe/-RUST-FFI'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b48384db2696eceedf82a03f42bd7a563f6fcb3
[INFO] sha for GitHub repo CugeDe/-RUST-FFI: 1b48384db2696eceedf82a03f42bd7a563f6fcb3
[INFO] validating manifest of CugeDe/-RUST-FFI 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 CugeDe/-RUST-FFI 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 CugeDe/-RUST-FFI
[INFO] finished frobbing CugeDe/-RUST-FFI
[INFO] frobbed toml for CugeDe/-RUST-FFI written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CugeDe/-RUST-FFI/Cargo.toml
[INFO] started frobbing CugeDe/-RUST-FFI
[INFO] finished frobbing CugeDe/-RUST-FFI
[INFO] frobbed toml for CugeDe/-RUST-FFI written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CugeDe/-RUST-FFI/Cargo.toml
[INFO] crate CugeDe/-RUST-FFI 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 CugeDe/-RUST-FFI against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CugeDe/-RUST-FFI:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 14678be41e1ccb10f17b659f28c059dcbc1df056d2da62900d6e593102855c39
[INFO] running `"docker" "start" "-a" "14678be41e1ccb10f17b659f28c059dcbc1df056d2da62900d6e593102855c39"`
[INFO] [stderr]    Compiling ffi v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/lib.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |       for _ in (0..25_000_000)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "14678be41e1ccb10f17b659f28c059dcbc1df056d2da62900d6e593102855c39"`
[INFO] running `"docker" "rm" "-f" "14678be41e1ccb10f17b659f28c059dcbc1df056d2da62900d6e593102855c39"`
[INFO] [stdout] 14678be41e1ccb10f17b659f28c059dcbc1df056d2da62900d6e593102855c39
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CugeDe/-RUST-FFI:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a94610afb97aba27cf9de0f9fbddd969cde76760e92293e96de249f595aa07d4
[INFO] running `"docker" "start" "-a" "a94610afb97aba27cf9de0f9fbddd969cde76760e92293e96de249f595aa07d4"`
[INFO] [stderr]    Compiling ffi v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/lib.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |       for _ in (0..25_000_000)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "a94610afb97aba27cf9de0f9fbddd969cde76760e92293e96de249f595aa07d4"`
[INFO] running `"docker" "rm" "-f" "a94610afb97aba27cf9de0f9fbddd969cde76760e92293e96de249f595aa07d4"`
[INFO] [stdout] a94610afb97aba27cf9de0f9fbddd969cde76760e92293e96de249f595aa07d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CugeDe/-RUST-FFI:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 627fe1f6bf67317267b1ca172322a39a477db45f24daef0c98ff0f7ab76c6af8
[INFO] running `"docker" "start" "-a" "627fe1f6bf67317267b1ca172322a39a477db45f24daef0c98ff0f7ab76c6af8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ffi-0eff9c1d41033a4f
[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" "627fe1f6bf67317267b1ca172322a39a477db45f24daef0c98ff0f7ab76c6af8"`
[INFO] running `"docker" "rm" "-f" "627fe1f6bf67317267b1ca172322a39a477db45f24daef0c98ff0f7ab76c6af8"`
[INFO] [stdout] 627fe1f6bf67317267b1ca172322a39a477db45f24daef0c98ff0f7ab76c6af8