[INFO] updating cached repository m-dahl/hello-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/m-dahl/hello-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/m-dahl/hello-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/m-dahl/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/m-dahl/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/m-dahl/hello-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/m-dahl/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/m-dahl/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0c4fc0c8d232cf72548e1cdd2f759610a85a253
[INFO] sha for GitHub repo m-dahl/hello-rust: d0c4fc0c8d232cf72548e1cdd2f759610a85a253
[INFO] validating manifest of m-dahl/hello-rust 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 m-dahl/hello-rust 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 m-dahl/hello-rust
[INFO] finished frobbing m-dahl/hello-rust
[INFO] frobbed toml for m-dahl/hello-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/m-dahl/hello-rust/Cargo.toml
[INFO] started frobbing m-dahl/hello-rust
[INFO] finished frobbing m-dahl/hello-rust
[INFO] frobbed toml for m-dahl/hello-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/m-dahl/hello-rust/Cargo.toml
[INFO] crate m-dahl/hello-rust 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 m-dahl/hello-rust 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/m-dahl/hello-rust:/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] 60eb6ac5700330d6dcf15d534a05c5754f665cfe160059d44a3ba9de3abdd496
[INFO] running `"docker" "start" "-a" "60eb6ac5700330d6dcf15d534a05c5754f665cfe160059d44a3ba9de3abdd496"`
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type alias is never used: `SPJsonError`
[INFO] [stderr]    --> src/test.rs:106:1
[INFO] [stderr]     |
[INFO] [stderr] 106 | type SPJsonError = serde_json::Error;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test`
[INFO] [stderr]    --> src/test.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn test(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `make`
[INFO] [stderr]    --> src/test.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn make<T>(value: T) -> Result<SPAttributes, SPJsonError> where T: Serialize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.62s
[INFO] running `"docker" "inspect" "60eb6ac5700330d6dcf15d534a05c5754f665cfe160059d44a3ba9de3abdd496"`
[INFO] running `"docker" "rm" "-f" "60eb6ac5700330d6dcf15d534a05c5754f665cfe160059d44a3ba9de3abdd496"`
[INFO] [stdout] 60eb6ac5700330d6dcf15d534a05c5754f665cfe160059d44a3ba9de3abdd496
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/m-dahl/hello-rust:/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] 3058e77bbb64c0834d4dbc23aa3cdd7dcd8ce78899845ff2f9d292b8a5820f34
[INFO] running `"docker" "start" "-a" "3058e77bbb64c0834d4dbc23aa3cdd7dcd8ce78899845ff2f9d292b8a5820f34"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `"docker" "inspect" "3058e77bbb64c0834d4dbc23aa3cdd7dcd8ce78899845ff2f9d292b8a5820f34"`
[INFO] running `"docker" "rm" "-f" "3058e77bbb64c0834d4dbc23aa3cdd7dcd8ce78899845ff2f9d292b8a5820f34"`
[INFO] [stdout] 3058e77bbb64c0834d4dbc23aa3cdd7dcd8ce78899845ff2f9d292b8a5820f34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/m-dahl/hello-rust:/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] c3142c6051d9d339d39b7dcf5a63de7d723f88291256390ec7c0ac7462aa49ab
[INFO] running `"docker" "start" "-a" "c3142c6051d9d339d39b7dcf5a63de7d723f88291256390ec7c0ac7462aa49ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_rust-9ff6e6fcf1fb2869
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parse::tests::test_parse_atoms ... ok
[INFO] [stdout] test parse::tests::test_parse ... ok
[INFO] [stdout] test test::mytest::testing ... ok
[INFO] [stdout] test eval::tests::test_eval ... ok
[INFO] [stdout] test test::testing_predicates::testing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c3142c6051d9d339d39b7dcf5a63de7d723f88291256390ec7c0ac7462aa49ab"`
[INFO] running `"docker" "rm" "-f" "c3142c6051d9d339d39b7dcf5a63de7d723f88291256390ec7c0ac7462aa49ab"`
[INFO] [stdout] c3142c6051d9d339d39b7dcf5a63de7d723f88291256390ec7c0ac7462aa49ab