[INFO] updating cached repository dangerousplay/opa-rust-jvm-tests
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dangerousplay/opa-rust-jvm-tests
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dangerousplay/opa-rust-jvm-tests" "work/ex/beta-1.38-1/sources/1.37.0/gh/dangerousplay/opa-rust-jvm-tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dangerousplay/opa-rust-jvm-tests'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dangerousplay/opa-rust-jvm-tests" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dangerousplay/opa-rust-jvm-tests"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dangerousplay/opa-rust-jvm-tests'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4cdd58ee2233e4b9fbc7f44f595a27e8b8d23eb
[INFO] sha for GitHub repo dangerousplay/opa-rust-jvm-tests: e4cdd58ee2233e4b9fbc7f44f595a27e8b8d23eb
[INFO] validating manifest of dangerousplay/opa-rust-jvm-tests 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 dangerousplay/opa-rust-jvm-tests 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 dangerousplay/opa-rust-jvm-tests
[INFO] finished frobbing dangerousplay/opa-rust-jvm-tests
[INFO] frobbed toml for dangerousplay/opa-rust-jvm-tests written to work/ex/beta-1.38-1/sources/1.37.0/gh/dangerousplay/opa-rust-jvm-tests/Cargo.toml
[INFO] started frobbing dangerousplay/opa-rust-jvm-tests
[INFO] finished frobbing dangerousplay/opa-rust-jvm-tests
[INFO] frobbed toml for dangerousplay/opa-rust-jvm-tests written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dangerousplay/opa-rust-jvm-tests/Cargo.toml
[INFO] crate dangerousplay/opa-rust-jvm-tests 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dangerousplay/opa-rust-jvm-tests 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dangerousplay/opa-rust-jvm-tests:/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] 80aca5f644e67325b489f02dae7975455d030d262ac9d564fcf080fcd7684d0b
[INFO] running `"docker" "start" "-a" "80aca5f644e67325b489f02dae7975455d030d262ac9d564fcf080fcd7684d0b"`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling atomic v0.4.5
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling hdrhistogram v6.2.0
[INFO] [stderr]    Compiling color-backtrace v0.2.0
[INFO] [stderr]    Compiling derive_utils v0.6.3
[INFO] [stderr]    Compiling auto_enums_core v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling auto_enums_derive v0.4.1
[INFO] [stderr]    Compiling auto_enums v0.4.1
[INFO] [stderr]    Compiling synattra v0.1.1
[INFO] [stderr]    Compiling aspect-weave v0.1.1
[INFO] [stderr]    Compiling metered-macro v0.2.0
[INFO] [stderr]    Compiling aspect v0.1.1
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling metered v0.2.1
[INFO] [stderr]    Compiling metrics-actix-poc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let x = unsafe { &**bo };
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "80aca5f644e67325b489f02dae7975455d030d262ac9d564fcf080fcd7684d0b"`
[INFO] running `"docker" "rm" "-f" "80aca5f644e67325b489f02dae7975455d030d262ac9d564fcf080fcd7684d0b"`
[INFO] [stdout] 80aca5f644e67325b489f02dae7975455d030d262ac9d564fcf080fcd7684d0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dangerousplay/opa-rust-jvm-tests:/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] f4d9dbd7975f907bec667facdc849b0a2cf814d3e633a9c1ad9aaf693072578f
[INFO] running `"docker" "start" "-a" "f4d9dbd7975f907bec667facdc849b0a2cf814d3e633a9c1ad9aaf693072578f"`
[INFO] [stderr]    Compiling metrics-actix-poc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let x = unsafe { &**bo };
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "f4d9dbd7975f907bec667facdc849b0a2cf814d3e633a9c1ad9aaf693072578f"`
[INFO] running `"docker" "rm" "-f" "f4d9dbd7975f907bec667facdc849b0a2cf814d3e633a9c1ad9aaf693072578f"`
[INFO] [stdout] f4d9dbd7975f907bec667facdc849b0a2cf814d3e633a9c1ad9aaf693072578f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dangerousplay/opa-rust-jvm-tests:/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] 48e4a81c1812f5ff5e81b8f15ba6b78f2b4197535294047510628c42b662ce84
[INFO] running `"docker" "start" "-a" "48e4a81c1812f5ff5e81b8f15ba6b78f2b4197535294047510628c42b662ce84"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metrics_actix_poc-f01f7fce78f0ed61
[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" "48e4a81c1812f5ff5e81b8f15ba6b78f2b4197535294047510628c42b662ce84"`
[INFO] running `"docker" "rm" "-f" "48e4a81c1812f5ff5e81b8f15ba6b78f2b4197535294047510628c42b662ce84"`
[INFO] [stdout] 48e4a81c1812f5ff5e81b8f15ba6b78f2b4197535294047510628c42b662ce84