[INFO] fetching crate drux 0.7.2...
[INFO] extracting crate drux 0.7.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/drux/0.7.2
[INFO] extracting crate drux 0.7.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/drux/0.7.2
[INFO] validating manifest of drux-0.7.2 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 drux-0.7.2 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 drux-0.7.2
[INFO] finished frobbing drux-0.7.2
[INFO] frobbed toml for drux-0.7.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/drux/0.7.2/Cargo.toml
[INFO] started frobbing drux-0.7.2
[INFO] finished frobbing drux-0.7.2
[INFO] frobbed toml for drux-0.7.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/drux/0.7.2/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 drux-0.7.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/drux/0.7.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a31b1beb9c01e2289079fc3b73cf9df58a8d506267e0bb8d5778c280f87fa181
[INFO] running `"docker" "start" "-a" "a31b1beb9c01e2289079fc3b73cf9df58a8d506267e0bb8d5778c280f87fa181"`
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling drux v0.7.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.22s
[INFO] running `"docker" "inspect" "a31b1beb9c01e2289079fc3b73cf9df58a8d506267e0bb8d5778c280f87fa181"`
[INFO] running `"docker" "rm" "-f" "a31b1beb9c01e2289079fc3b73cf9df58a8d506267e0bb8d5778c280f87fa181"`
[INFO] [stdout] a31b1beb9c01e2289079fc3b73cf9df58a8d506267e0bb8d5778c280f87fa181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/drux/0.7.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e1df176c647c2a993daeed5e19c258958997d5cce5a24a5dbdf57d034e5a576b
[INFO] running `"docker" "start" "-a" "e1df176c647c2a993daeed5e19c258958997d5cce5a24a5dbdf57d034e5a576b"`
[INFO] [stderr]    Compiling drux v0.7.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `"docker" "inspect" "e1df176c647c2a993daeed5e19c258958997d5cce5a24a5dbdf57d034e5a576b"`
[INFO] running `"docker" "rm" "-f" "e1df176c647c2a993daeed5e19c258958997d5cce5a24a5dbdf57d034e5a576b"`
[INFO] [stdout] e1df176c647c2a993daeed5e19c258958997d5cce5a24a5dbdf57d034e5a576b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/drux/0.7.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d4cf27054484f6c2d372e856e00653efb26ceef641098f141fd9935df47ff72b
[INFO] running `"docker" "start" "-a" "d4cf27054484f6c2d372e856e00653efb26ceef641098f141fd9935df47ff72b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/drux-849d2ebbba07a86d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test cargo_info::tests::highest_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d4cf27054484f6c2d372e856e00653efb26ceef641098f141fd9935df47ff72b"`
[INFO] running `"docker" "rm" "-f" "d4cf27054484f6c2d372e856e00653efb26ceef641098f141fd9935df47ff72b"`
[INFO] [stdout] d4cf27054484f6c2d372e856e00653efb26ceef641098f141fd9935df47ff72b