[INFO] updating cached repository dat2/futures-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dat2/futures-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/futures-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/dat2/futures-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dat2/futures-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/futures-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dat2/futures-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dat2/futures-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82adcae20bab8f4760dcfa0e6de615aa3d0012b7
[INFO] sha for GitHub repo dat2/futures-example: 82adcae20bab8f4760dcfa0e6de615aa3d0012b7
[INFO] validating manifest of dat2/futures-example 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 dat2/futures-example 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 dat2/futures-example
[INFO] finished frobbing dat2/futures-example
[INFO] frobbed toml for dat2/futures-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/dat2/futures-example/Cargo.toml
[INFO] started frobbing dat2/futures-example
[INFO] finished frobbing dat2/futures-example
[INFO] frobbed toml for dat2/futures-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dat2/futures-example/Cargo.toml
[INFO] crate dat2/futures-example already has a lockfile, it will not be regenerated
[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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dat2/futures-example/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 dat2/futures-example 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dat2/futures-example:/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] 0f678e238abb84e0a64a365233da85ef8d08424fe4e9c4156e91c0620c5f4221
[INFO] running `"docker" "start" "-a" "0f678e238abb84e0a64a365233da85ef8d08424fe4e9c4156e91c0620c5f4221"`
[INFO] [stderr]    Compiling futures-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `"docker" "inspect" "0f678e238abb84e0a64a365233da85ef8d08424fe4e9c4156e91c0620c5f4221"`
[INFO] running `"docker" "rm" "-f" "0f678e238abb84e0a64a365233da85ef8d08424fe4e9c4156e91c0620c5f4221"`
[INFO] [stdout] 0f678e238abb84e0a64a365233da85ef8d08424fe4e9c4156e91c0620c5f4221
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dat2/futures-example:/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] 1395b3f4b4a4c288766a2f8a7c60cc55c1e99fcd80f8710a8f72e78aa46ef748
[INFO] running `"docker" "start" "-a" "1395b3f4b4a4c288766a2f8a7c60cc55c1e99fcd80f8710a8f72e78aa46ef748"`
[INFO] [stderr]    Compiling futures-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "1395b3f4b4a4c288766a2f8a7c60cc55c1e99fcd80f8710a8f72e78aa46ef748"`
[INFO] running `"docker" "rm" "-f" "1395b3f4b4a4c288766a2f8a7c60cc55c1e99fcd80f8710a8f72e78aa46ef748"`
[INFO] [stdout] 1395b3f4b4a4c288766a2f8a7c60cc55c1e99fcd80f8710a8f72e78aa46ef748
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dat2/futures-example:/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] e88b390bef346a733d0d59f7ad79ab55c7b03a27998c76cd88d68bbce704c147
[INFO] running `"docker" "start" "-a" "e88b390bef346a733d0d59f7ad79ab55c7b03a27998c76cd88d68bbce704c147"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_example-8e4b8dccc79864f2
[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" "e88b390bef346a733d0d59f7ad79ab55c7b03a27998c76cd88d68bbce704c147"`
[INFO] running `"docker" "rm" "-f" "e88b390bef346a733d0d59f7ad79ab55c7b03a27998c76cd88d68bbce704c147"`
[INFO] [stdout] e88b390bef346a733d0d59f7ad79ab55c7b03a27998c76cd88d68bbce704c147