[INFO] crate sig 1.0.0 is already in cache
[INFO] extracting crate sig 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/sig/1.0.0
[INFO] extracting crate sig 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sig/1.0.0
[INFO] validating manifest of sig-1.0.0 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 sig-1.0.0 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 sig-1.0.0
[INFO] finished frobbing sig-1.0.0
[INFO] frobbed toml for sig-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sig/1.0.0/Cargo.toml
[INFO] started frobbing sig-1.0.0
[INFO] finished frobbing sig-1.0.0
[INFO] frobbed toml for sig-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sig/1.0.0/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 sig-1.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sig/1.0.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 115c81c2d2ece4b8b872bd6f892929ab826d8652bc872e33c54341d28b5e6890
[INFO] running `"docker" "start" "-a" "115c81c2d2ece4b8b872bd6f892929ab826d8652bc872e33c54341d28b5e6890"`
[INFO] [stderr]    Compiling sig v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "115c81c2d2ece4b8b872bd6f892929ab826d8652bc872e33c54341d28b5e6890"`
[INFO] running `"docker" "rm" "-f" "115c81c2d2ece4b8b872bd6f892929ab826d8652bc872e33c54341d28b5e6890"`
[INFO] [stdout] 115c81c2d2ece4b8b872bd6f892929ab826d8652bc872e33c54341d28b5e6890
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sig/1.0.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] af7c942c9b3519e05ef87cafe3379563a63267346ba0d2c86e590edbda397d88
[INFO] running `"docker" "start" "-a" "af7c942c9b3519e05ef87cafe3379563a63267346ba0d2c86e590edbda397d88"`
[INFO] [stderr]    Compiling sig v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `signal` should have an upper case name
[INFO] [stderr]   --> examples/winch.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | static mut signal: Option<i32> = None;
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper case: `SIGNAL`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "af7c942c9b3519e05ef87cafe3379563a63267346ba0d2c86e590edbda397d88"`
[INFO] running `"docker" "rm" "-f" "af7c942c9b3519e05ef87cafe3379563a63267346ba0d2c86e590edbda397d88"`
[INFO] [stdout] af7c942c9b3519e05ef87cafe3379563a63267346ba0d2c86e590edbda397d88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sig/1.0.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ade51ce838a6263766c5d25dd612e93eae2d3318b26eae569cab3717dc2d204c
[INFO] running `"docker" "start" "-a" "ade51ce838a6263766c5d25dd612e93eae2d3318b26eae569cab3717dc2d204c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sig-5611836a4c58f9e7
[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]    Doc-tests sig
[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" "ade51ce838a6263766c5d25dd612e93eae2d3318b26eae569cab3717dc2d204c"`
[INFO] running `"docker" "rm" "-f" "ade51ce838a6263766c5d25dd612e93eae2d3318b26eae569cab3717dc2d204c"`
[INFO] [stdout] ade51ce838a6263766c5d25dd612e93eae2d3318b26eae569cab3717dc2d204c