[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 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 05633d8e84e4f10882a2138d1c02e92741e913079f4a22e863314859afe3675a
[INFO] running `"docker" "start" "-a" "05633d8e84e4f10882a2138d1c02e92741e913079f4a22e863314859afe3675a"`
[INFO] [stderr]    Compiling sig v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "05633d8e84e4f10882a2138d1c02e92741e913079f4a22e863314859afe3675a"`
[INFO] running `"docker" "rm" "-f" "05633d8e84e4f10882a2138d1c02e92741e913079f4a22e863314859afe3675a"`
[INFO] [stdout] 05633d8e84e4f10882a2138d1c02e92741e913079f4a22e863314859afe3675a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 97d658e5f67294b5e903b8fdfaf7099530c98dd3d72f317b12731d78067b07f9
[INFO] running `"docker" "start" "-a" "97d658e5f67294b5e903b8fdfaf7099530c98dd3d72f317b12731d78067b07f9"`
[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 0.47s
[INFO] running `"docker" "inspect" "97d658e5f67294b5e903b8fdfaf7099530c98dd3d72f317b12731d78067b07f9"`
[INFO] running `"docker" "rm" "-f" "97d658e5f67294b5e903b8fdfaf7099530c98dd3d72f317b12731d78067b07f9"`
[INFO] [stdout] 97d658e5f67294b5e903b8fdfaf7099530c98dd3d72f317b12731d78067b07f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d8fd93a008a9704d18804ca1d1def28bda86a2db754372432d03cbdfde6ec1c7
[INFO] running `"docker" "start" "-a" "d8fd93a008a9704d18804ca1d1def28bda86a2db754372432d03cbdfde6ec1c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sig-c9b60c11dc53b20b
[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" "d8fd93a008a9704d18804ca1d1def28bda86a2db754372432d03cbdfde6ec1c7"`
[INFO] running `"docker" "rm" "-f" "d8fd93a008a9704d18804ca1d1def28bda86a2db754372432d03cbdfde6ec1c7"`
[INFO] [stdout] d8fd93a008a9704d18804ca1d1def28bda86a2db754372432d03cbdfde6ec1c7