[INFO] crate rustler_codegen 0.20.0 is already in cache
[INFO] extracting crate rustler_codegen 0.20.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustler_codegen/0.20.0
[INFO] extracting crate rustler_codegen 0.20.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustler_codegen/0.20.0
[INFO] validating manifest of rustler_codegen-0.20.0 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 rustler_codegen-0.20.0 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 rustler_codegen-0.20.0
[INFO] finished frobbing rustler_codegen-0.20.0
[INFO] frobbed toml for rustler_codegen-0.20.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustler_codegen/0.20.0/Cargo.toml
[INFO] started frobbing rustler_codegen-0.20.0
[INFO] finished frobbing rustler_codegen-0.20.0
[INFO] frobbed toml for rustler_codegen-0.20.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustler_codegen/0.20.0/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 rustler_codegen-0.20.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustler_codegen/0.20.0:/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] cc13d53fd1f23b47fb8c410dbf5d5c9692a3c8b64a9c42f2bc991498049ed028
[INFO] running `"docker" "start" "-a" "cc13d53fd1f23b47fb8c410dbf5d5c9692a3c8b64a9c42f2bc991498049ed028"`
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rustler_codegen v0.20.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `"docker" "inspect" "cc13d53fd1f23b47fb8c410dbf5d5c9692a3c8b64a9c42f2bc991498049ed028"`
[INFO] running `"docker" "rm" "-f" "cc13d53fd1f23b47fb8c410dbf5d5c9692a3c8b64a9c42f2bc991498049ed028"`
[INFO] [stdout] cc13d53fd1f23b47fb8c410dbf5d5c9692a3c8b64a9c42f2bc991498049ed028
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustler_codegen/0.20.0:/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] 3dbcbef62d59db900eb73f7efd2b7c28b9c980281444b59e6c75deb97561376d
[INFO] running `"docker" "start" "-a" "3dbcbef62d59db900eb73f7efd2b7c28b9c980281444b59e6c75deb97561376d"`
[INFO] [stderr]    Compiling rustler_codegen v0.20.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "3dbcbef62d59db900eb73f7efd2b7c28b9c980281444b59e6c75deb97561376d"`
[INFO] running `"docker" "rm" "-f" "3dbcbef62d59db900eb73f7efd2b7c28b9c980281444b59e6c75deb97561376d"`
[INFO] [stdout] 3dbcbef62d59db900eb73f7efd2b7c28b9c980281444b59e6c75deb97561376d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustler_codegen/0.20.0:/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] 2d6ec88440dbb916f3678be54f064784bde9bc5c437ae5b02c99d1560fbdbb71
[INFO] running `"docker" "start" "-a" "2d6ec88440dbb916f3678be54f064784bde9bc5c437ae5b02c99d1560fbdbb71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustler_codegen-56cdcd02b996aaeb
[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 rustler_codegen
[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" "2d6ec88440dbb916f3678be54f064784bde9bc5c437ae5b02c99d1560fbdbb71"`
[INFO] running `"docker" "rm" "-f" "2d6ec88440dbb916f3678be54f064784bde9bc5c437ae5b02c99d1560fbdbb71"`
[INFO] [stdout] 2d6ec88440dbb916f3678be54f064784bde9bc5c437ae5b02c99d1560fbdbb71