[INFO] updating cached repository RealOrangeOne/rust-background-worker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RealOrangeOne/rust-background-worker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RealOrangeOne/rust-background-worker" "work/ex/beta-1.38-1/sources/1.37.0/gh/RealOrangeOne/rust-background-worker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RealOrangeOne/rust-background-worker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RealOrangeOne/rust-background-worker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RealOrangeOne/rust-background-worker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RealOrangeOne/rust-background-worker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4ac8cbd0983fc345dd24dcde41aab2be96679b3
[INFO] sha for GitHub repo RealOrangeOne/rust-background-worker: b4ac8cbd0983fc345dd24dcde41aab2be96679b3
[INFO] validating manifest of RealOrangeOne/rust-background-worker 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 RealOrangeOne/rust-background-worker 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 RealOrangeOne/rust-background-worker
[INFO] finished frobbing RealOrangeOne/rust-background-worker
[INFO] frobbed toml for RealOrangeOne/rust-background-worker written to work/ex/beta-1.38-1/sources/1.37.0/gh/RealOrangeOne/rust-background-worker/Cargo.toml
[INFO] started frobbing RealOrangeOne/rust-background-worker
[INFO] finished frobbing RealOrangeOne/rust-background-worker
[INFO] frobbed toml for RealOrangeOne/rust-background-worker written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RealOrangeOne/rust-background-worker/Cargo.toml
[INFO] crate RealOrangeOne/rust-background-worker 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RealOrangeOne/rust-background-worker against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RealOrangeOne/rust-background-worker:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c593224a77accd26800edfe8fce13a78d1662f8944567232ed19eb4578dc04b3
[INFO] running `"docker" "start" "-a" "c593224a77accd26800edfe8fce13a78d1662f8944567232ed19eb4578dc04b3"`
[INFO] [stderr]    Compiling synchronoise v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling executors v0.4.4
[INFO] [stderr]    Compiling rust-background-worker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `"docker" "inspect" "c593224a77accd26800edfe8fce13a78d1662f8944567232ed19eb4578dc04b3"`
[INFO] running `"docker" "rm" "-f" "c593224a77accd26800edfe8fce13a78d1662f8944567232ed19eb4578dc04b3"`
[INFO] [stdout] c593224a77accd26800edfe8fce13a78d1662f8944567232ed19eb4578dc04b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RealOrangeOne/rust-background-worker:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7aac5c8b80a7273ce867dc6bd49d4fa3a902db8f2b9ae49f267fb10afdf20a2b
[INFO] running `"docker" "start" "-a" "7aac5c8b80a7273ce867dc6bd49d4fa3a902db8f2b9ae49f267fb10afdf20a2b"`
[INFO] [stderr]    Compiling rust-background-worker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "7aac5c8b80a7273ce867dc6bd49d4fa3a902db8f2b9ae49f267fb10afdf20a2b"`
[INFO] running `"docker" "rm" "-f" "7aac5c8b80a7273ce867dc6bd49d4fa3a902db8f2b9ae49f267fb10afdf20a2b"`
[INFO] [stdout] 7aac5c8b80a7273ce867dc6bd49d4fa3a902db8f2b9ae49f267fb10afdf20a2b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RealOrangeOne/rust-background-worker:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6e26b999d316f58003672a20740b451419937973873460ac47a9554ed31d430d
[INFO] running `"docker" "start" "-a" "6e26b999d316f58003672a20740b451419937973873460ac47a9554ed31d430d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_background_worker-4b23b33c00f792c9
[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" "6e26b999d316f58003672a20740b451419937973873460ac47a9554ed31d430d"`
[INFO] running `"docker" "rm" "-f" "6e26b999d316f58003672a20740b451419937973873460ac47a9554ed31d430d"`
[INFO] [stdout] 6e26b999d316f58003672a20740b451419937973873460ac47a9554ed31d430d