[INFO] updating cached repository totoroyyb/Operator-Overload-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/totoroyyb/Operator-Overload-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/totoroyyb/Operator-Overload-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/totoroyyb/Operator-Overload-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/totoroyyb/Operator-Overload-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/totoroyyb/Operator-Overload-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totoroyyb/Operator-Overload-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totoroyyb/Operator-Overload-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5761eb82569c7152a623ed436f26b413960ba24
[INFO] sha for GitHub repo totoroyyb/Operator-Overload-Rust: c5761eb82569c7152a623ed436f26b413960ba24
[INFO] validating manifest of totoroyyb/Operator-Overload-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 totoroyyb/Operator-Overload-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 totoroyyb/Operator-Overload-Rust
[INFO] finished frobbing totoroyyb/Operator-Overload-Rust
[INFO] frobbed toml for totoroyyb/Operator-Overload-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/totoroyyb/Operator-Overload-Rust/Cargo.toml
[INFO] started frobbing totoroyyb/Operator-Overload-Rust
[INFO] finished frobbing totoroyyb/Operator-Overload-Rust
[INFO] frobbed toml for totoroyyb/Operator-Overload-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/totoroyyb/Operator-Overload-Rust/Cargo.toml
[INFO] crate totoroyyb/Operator-Overload-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 totoroyyb/Operator-Overload-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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/totoroyyb/Operator-Overload-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] f7949e8b07c4dd2dfba06573ea4cc46265ecec3aa70ac45f5ad3904ca97bd8f9
[INFO] running `"docker" "start" "-a" "f7949e8b07c4dd2dfba06573ea4cc46265ecec3aa70ac45f5ad3904ca97bd8f9"`
[INFO] [stderr]    Compiling your v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/lib.rs:314:1
[INFO] [stderr]     |
[INFO] [stderr] 314 | fn main() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]    --> src/lib.rs:318:1
[INFO] [stderr]     |
[INFO] [stderr] 318 | fn test() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "f7949e8b07c4dd2dfba06573ea4cc46265ecec3aa70ac45f5ad3904ca97bd8f9"`
[INFO] running `"docker" "rm" "-f" "f7949e8b07c4dd2dfba06573ea4cc46265ecec3aa70ac45f5ad3904ca97bd8f9"`
[INFO] [stdout] f7949e8b07c4dd2dfba06573ea4cc46265ecec3aa70ac45f5ad3904ca97bd8f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/totoroyyb/Operator-Overload-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] 201086f416f5d960c0752af95652799f0fe2e0ecac4e8ea4e4d5423211fe5d1a
[INFO] running `"docker" "start" "-a" "201086f416f5d960c0752af95652799f0fe2e0ecac4e8ea4e4d5423211fe5d1a"`
[INFO] [stderr]    Compiling your v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]    --> src/lib.rs:318:1
[INFO] [stderr]     |
[INFO] [stderr] 318 | fn test() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "201086f416f5d960c0752af95652799f0fe2e0ecac4e8ea4e4d5423211fe5d1a"`
[INFO] running `"docker" "rm" "-f" "201086f416f5d960c0752af95652799f0fe2e0ecac4e8ea4e4d5423211fe5d1a"`
[INFO] [stdout] 201086f416f5d960c0752af95652799f0fe2e0ecac4e8ea4e4d5423211fe5d1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/totoroyyb/Operator-Overload-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] bc2d819e6e0d24f5bb52998dc4f5c8146d4ec26654374040e297f4d172731d71
[INFO] running `"docker" "start" "-a" "bc2d819e6e0d24f5bb52998dc4f5c8146d4ec26654374040e297f4d172731d71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/your-0c9fdd7dc397b2e1
[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] [stderr]      Running /opt/crater/target/debug/deps/your-6349b853521fa85b
[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] [stderr]    Doc-tests your
[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" "bc2d819e6e0d24f5bb52998dc4f5c8146d4ec26654374040e297f4d172731d71"`
[INFO] running `"docker" "rm" "-f" "bc2d819e6e0d24f5bb52998dc4f5c8146d4ec26654374040e297f4d172731d71"`
[INFO] [stdout] bc2d819e6e0d24f5bb52998dc4f5c8146d4ec26654374040e297f4d172731d71