[INFO] updating cached repository sdbondi/rust-concurrency-examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sdbondi/rust-concurrency-examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sdbondi/rust-concurrency-examples" "work/ex/beta-1.38-1/sources/1.37.0/gh/sdbondi/rust-concurrency-examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sdbondi/rust-concurrency-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sdbondi/rust-concurrency-examples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdbondi/rust-concurrency-examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdbondi/rust-concurrency-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad950a5e3c0e31b19228510e888af365dc29487d
[INFO] sha for GitHub repo sdbondi/rust-concurrency-examples: ad950a5e3c0e31b19228510e888af365dc29487d
[INFO] validating manifest of sdbondi/rust-concurrency-examples 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 sdbondi/rust-concurrency-examples 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 sdbondi/rust-concurrency-examples
[INFO] finished frobbing sdbondi/rust-concurrency-examples
[INFO] frobbed toml for sdbondi/rust-concurrency-examples written to work/ex/beta-1.38-1/sources/1.37.0/gh/sdbondi/rust-concurrency-examples/Cargo.toml
[INFO] started frobbing sdbondi/rust-concurrency-examples
[INFO] finished frobbing sdbondi/rust-concurrency-examples
[INFO] frobbed toml for sdbondi/rust-concurrency-examples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdbondi/rust-concurrency-examples/Cargo.toml
[INFO] crate sdbondi/rust-concurrency-examples 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]     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] testing sdbondi/rust-concurrency-examples 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-5/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/sdbondi/rust-concurrency-examples:/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] 1c6126b18ad8bb7c4b455887475259421cd3d846aeb0d75d204576df890fba40
[INFO] running `"docker" "start" "-a" "1c6126b18ad8bb7c4b455887475259421cd3d846aeb0d75d204576df890fba40"`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "1c6126b18ad8bb7c4b455887475259421cd3d846aeb0d75d204576df890fba40"`
[INFO] running `"docker" "rm" "-f" "1c6126b18ad8bb7c4b455887475259421cd3d846aeb0d75d204576df890fba40"`
[INFO] [stdout] 1c6126b18ad8bb7c4b455887475259421cd3d846aeb0d75d204576df890fba40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/sdbondi/rust-concurrency-examples:/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] a69d06b463e08130c256b4d64de46d1e0e10debd0ab398ffbcf60bbb559bebe0
[INFO] running `"docker" "start" "-a" "a69d06b463e08130c256b4d64de46d1e0e10debd0ab398ffbcf60bbb559bebe0"`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "a69d06b463e08130c256b4d64de46d1e0e10debd0ab398ffbcf60bbb559bebe0"`
[INFO] running `"docker" "rm" "-f" "a69d06b463e08130c256b4d64de46d1e0e10debd0ab398ffbcf60bbb559bebe0"`
[INFO] [stdout] a69d06b463e08130c256b4d64de46d1e0e10debd0ab398ffbcf60bbb559bebe0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/sdbondi/rust-concurrency-examples:/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] 520edb38e05a605fe23a30e0bd09da77fddc9d1205f6f53ff266acb380b908f0
[INFO] running `"docker" "start" "-a" "520edb38e05a605fe23a30e0bd09da77fddc9d1205f6f53ff266acb380b908f0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/concurrency-9475fb103240dc78
[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" "520edb38e05a605fe23a30e0bd09da77fddc9d1205f6f53ff266acb380b908f0"`
[INFO] running `"docker" "rm" "-f" "520edb38e05a605fe23a30e0bd09da77fddc9d1205f6f53ff266acb380b908f0"`
[INFO] [stdout] 520edb38e05a605fe23a30e0bd09da77fddc9d1205f6f53ff266acb380b908f0