[INFO] crate dingus 0.5.7 is already in cache
[INFO] extracting crate dingus 0.5.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/dingus/0.5.7
[INFO] extracting crate dingus 0.5.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dingus/0.5.7
[INFO] validating manifest of dingus-0.5.7 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 dingus-0.5.7 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 dingus-0.5.7
[INFO] finished frobbing dingus-0.5.7
[INFO] frobbed toml for dingus-0.5.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dingus/0.5.7/Cargo.toml
[INFO] started frobbing dingus-0.5.7
[INFO] finished frobbing dingus-0.5.7
[INFO] frobbed toml for dingus-0.5.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dingus/0.5.7/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 dingus-0.5.7 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dingus/0.5.7:/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] ebcfe25f043f7d1d0014519a44a667d581e48b426e85a906fd51a1e31c8a112b
[INFO] running `"docker" "start" "-a" "ebcfe25f043f7d1d0014519a44a667d581e48b426e85a906fd51a1e31c8a112b"`
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dingus v0.5.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.27s
[INFO] running `"docker" "inspect" "ebcfe25f043f7d1d0014519a44a667d581e48b426e85a906fd51a1e31c8a112b"`
[INFO] running `"docker" "rm" "-f" "ebcfe25f043f7d1d0014519a44a667d581e48b426e85a906fd51a1e31c8a112b"`
[INFO] [stdout] ebcfe25f043f7d1d0014519a44a667d581e48b426e85a906fd51a1e31c8a112b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dingus/0.5.7:/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] 4d183b32a59afa9e9cb41e857be594f8d170c4788deafeed0889c403a505c82e
[INFO] running `"docker" "start" "-a" "4d183b32a59afa9e9cb41e857be594f8d170c4788deafeed0889c403a505c82e"`
[INFO] [stderr]    Compiling dingus v0.5.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "4d183b32a59afa9e9cb41e857be594f8d170c4788deafeed0889c403a505c82e"`
[INFO] running `"docker" "rm" "-f" "4d183b32a59afa9e9cb41e857be594f8d170c4788deafeed0889c403a505c82e"`
[INFO] [stdout] 4d183b32a59afa9e9cb41e857be594f8d170c4788deafeed0889c403a505c82e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dingus/0.5.7:/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] 739ddc58b71e87540fcd09b15e231c209000c748ceac218fd83db8bd5b3f60da
[INFO] running `"docker" "start" "-a" "739ddc58b71e87540fcd09b15e231c209000c748ceac218fd83db8bd5b3f60da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dingus-7bfddf94e265d21c
[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" "739ddc58b71e87540fcd09b15e231c209000c748ceac218fd83db8bd5b3f60da"`
[INFO] running `"docker" "rm" "-f" "739ddc58b71e87540fcd09b15e231c209000c748ceac218fd83db8bd5b3f60da"`
[INFO] [stdout] 739ddc58b71e87540fcd09b15e231c209000c748ceac218fd83db8bd5b3f60da