[INFO] updating cached repository vavilon/Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vavilon/Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vavilon/Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/vavilon/Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vavilon/Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vavilon/Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vavilon/Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vavilon/Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1884b9a2f7e613f4007712362e242276e5c6522
[INFO] sha for GitHub repo vavilon/Rust: e1884b9a2f7e613f4007712362e242276e5c6522
[INFO] validating manifest of vavilon/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 vavilon/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 vavilon/Rust
[INFO] finished frobbing vavilon/Rust
[INFO] frobbed toml for vavilon/Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/vavilon/Rust/Cargo.toml
[INFO] started frobbing vavilon/Rust
[INFO] finished frobbing vavilon/Rust
[INFO] frobbed toml for vavilon/Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vavilon/Rust/Cargo.toml
[INFO] crate vavilon/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 vavilon/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vavilon/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] 4d388cc1c85c823967e074ed25d635c7297c725ae884b9eae375491a328fc6a9
[INFO] running `"docker" "start" "-a" "4d388cc1c85c823967e074ed25d635c7297c725ae884b9eae375491a328fc6a9"`
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]  --> src/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn test(){
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "4d388cc1c85c823967e074ed25d635c7297c725ae884b9eae375491a328fc6a9"`
[INFO] running `"docker" "rm" "-f" "4d388cc1c85c823967e074ed25d635c7297c725ae884b9eae375491a328fc6a9"`
[INFO] [stdout] 4d388cc1c85c823967e074ed25d635c7297c725ae884b9eae375491a328fc6a9
[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/vavilon/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] 2064cff72f3cf14d87ef1cad8164b60359b309e349400028b45b70b07fbf5f07
[INFO] running `"docker" "start" "-a" "2064cff72f3cf14d87ef1cad8164b60359b309e349400028b45b70b07fbf5f07"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]  --> src/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn test(){
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "2064cff72f3cf14d87ef1cad8164b60359b309e349400028b45b70b07fbf5f07"`
[INFO] running `"docker" "rm" "-f" "2064cff72f3cf14d87ef1cad8164b60359b309e349400028b45b70b07fbf5f07"`
[INFO] [stdout] 2064cff72f3cf14d87ef1cad8164b60359b309e349400028b45b70b07fbf5f07
[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/vavilon/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] 7a4d8bc5898306fe20607bfca6eb68c34bb0d1b44f1033f1a5f2818e4d0fa699
[INFO] running `"docker" "start" "-a" "7a4d8bc5898306fe20607bfca6eb68c34bb0d1b44f1033f1a5f2818e4d0fa699"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Rust-fe771a904aff321c
[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" "7a4d8bc5898306fe20607bfca6eb68c34bb0d1b44f1033f1a5f2818e4d0fa699"`
[INFO] running `"docker" "rm" "-f" "7a4d8bc5898306fe20607bfca6eb68c34bb0d1b44f1033f1a5f2818e4d0fa699"`
[INFO] [stdout] 7a4d8bc5898306fe20607bfca6eb68c34bb0d1b44f1033f1a5f2818e4d0fa699