[INFO] crate metallurgy 0.0.0 is already in cache
[INFO] extracting crate metallurgy 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/metallurgy/0.0.0
[INFO] extracting crate metallurgy 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/metallurgy/0.0.0
[INFO] validating manifest of metallurgy-0.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of metallurgy-0.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing metallurgy-0.0.0
[INFO] finished frobbing metallurgy-0.0.0
[INFO] frobbed toml for metallurgy-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/metallurgy/0.0.0/Cargo.toml
[INFO] started frobbing metallurgy-0.0.0
[INFO] finished frobbing metallurgy-0.0.0
[INFO] frobbed toml for metallurgy-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/metallurgy/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing metallurgy-0.0.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/metallurgy/0.0.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bc8db78dea682a2e3387ed686f79aa675bdf0455e306eff9226500faf925f188
[INFO] running `"docker" "start" "-a" "bc8db78dea682a2e3387ed686f79aa675bdf0455e306eff9226500faf925f188"`
[INFO] [stderr]    Compiling metallurgy v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "bc8db78dea682a2e3387ed686f79aa675bdf0455e306eff9226500faf925f188"`
[INFO] running `"docker" "rm" "-f" "bc8db78dea682a2e3387ed686f79aa675bdf0455e306eff9226500faf925f188"`
[INFO] [stdout] bc8db78dea682a2e3387ed686f79aa675bdf0455e306eff9226500faf925f188
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/metallurgy/0.0.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d40b3888d1375581e26be422688bdf2367e7e7e5f3c62ea22748b02efe8d9367
[INFO] running `"docker" "start" "-a" "d40b3888d1375581e26be422688bdf2367e7e7e5f3c62ea22748b02efe8d9367"`
[INFO] [stderr]    Compiling metallurgy v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "d40b3888d1375581e26be422688bdf2367e7e7e5f3c62ea22748b02efe8d9367"`
[INFO] running `"docker" "rm" "-f" "d40b3888d1375581e26be422688bdf2367e7e7e5f3c62ea22748b02efe8d9367"`
[INFO] [stdout] d40b3888d1375581e26be422688bdf2367e7e7e5f3c62ea22748b02efe8d9367
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/metallurgy/0.0.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 35110d8880995d55b4e55dd6d000726914838775b1ba36af92b2cd9ea8b8a4d2
[INFO] running `"docker" "start" "-a" "35110d8880995d55b4e55dd6d000726914838775b1ba36af92b2cd9ea8b8a4d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metallurgy-1ac7217f51316b08
[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" "35110d8880995d55b4e55dd6d000726914838775b1ba36af92b2cd9ea8b8a4d2"`
[INFO] running `"docker" "rm" "-f" "35110d8880995d55b4e55dd6d000726914838775b1ba36af92b2cd9ea8b8a4d2"`
[INFO] [stdout] 35110d8880995d55b4e55dd6d000726914838775b1ba36af92b2cd9ea8b8a4d2