[INFO] crate best 0.13.0 is already in cache
[INFO] extracting crate best 0.13.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/best/0.13.0
[INFO] extracting crate best 0.13.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/best/0.13.0
[INFO] validating manifest of best-0.13.0 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 best-0.13.0 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 best-0.13.0
[INFO] finished frobbing best-0.13.0
[INFO] frobbed toml for best-0.13.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/best/0.13.0/Cargo.toml
[INFO] started frobbing best-0.13.0
[INFO] finished frobbing best-0.13.0
[INFO] frobbed toml for best-0.13.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/best/0.13.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing best-0.13.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/best/0.13.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 064dd6450bba3f74b9539f76c6dc8be42b65914dae5a735934c206d1197572df
[INFO] running `"docker" "start" "-a" "064dd6450bba3f74b9539f76c6dc8be42b65914dae5a735934c206d1197572df"`
[INFO] [stderr]    Compiling best v0.13.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "064dd6450bba3f74b9539f76c6dc8be42b65914dae5a735934c206d1197572df"`
[INFO] running `"docker" "rm" "-f" "064dd6450bba3f74b9539f76c6dc8be42b65914dae5a735934c206d1197572df"`
[INFO] [stdout] 064dd6450bba3f74b9539f76c6dc8be42b65914dae5a735934c206d1197572df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/best/0.13.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0bafd14e9a37b210c3401f9855d65c200f7fe758d50fac2c49d0c77cb6c27c7c
[INFO] running `"docker" "start" "-a" "0bafd14e9a37b210c3401f9855d65c200f7fe758d50fac2c49d0c77cb6c27c7c"`
[INFO] [stderr]    Compiling best v0.13.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "0bafd14e9a37b210c3401f9855d65c200f7fe758d50fac2c49d0c77cb6c27c7c"`
[INFO] running `"docker" "rm" "-f" "0bafd14e9a37b210c3401f9855d65c200f7fe758d50fac2c49d0c77cb6c27c7c"`
[INFO] [stdout] 0bafd14e9a37b210c3401f9855d65c200f7fe758d50fac2c49d0c77cb6c27c7c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/best/0.13.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b8a9ec7c4fd89d2d6fc5e30e71bf30a4d7b4efa4dba457cd0e673cfcb268c048
[INFO] running `"docker" "start" "-a" "b8a9ec7c4fd89d2d6fc5e30e71bf30a4d7b4efa4dba457cd0e673cfcb268c048"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/best-5fec002f06a8df0f
[INFO] [stderr]    Doc-tests best
[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] [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" "b8a9ec7c4fd89d2d6fc5e30e71bf30a4d7b4efa4dba457cd0e673cfcb268c048"`
[INFO] running `"docker" "rm" "-f" "b8a9ec7c4fd89d2d6fc5e30e71bf30a4d7b4efa4dba457cd0e673cfcb268c048"`
[INFO] [stdout] b8a9ec7c4fd89d2d6fc5e30e71bf30a4d7b4efa4dba457cd0e673cfcb268c048