[INFO] updating cached repository rummolprod999/RustExamples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rummolprod999/RustExamples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rummolprod999/RustExamples" "work/ex/beta-1.38-1/sources/1.37.0/gh/rummolprod999/RustExamples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rummolprod999/RustExamples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rummolprod999/RustExamples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/RustExamples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/RustExamples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b54f392ff4cbde8e9c1e1c085e015c6044cbf396
[INFO] sha for GitHub repo rummolprod999/RustExamples: b54f392ff4cbde8e9c1e1c085e015c6044cbf396
[INFO] validating manifest of rummolprod999/RustExamples 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 rummolprod999/RustExamples 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 rummolprod999/RustExamples
[INFO] finished frobbing rummolprod999/RustExamples
[INFO] frobbed toml for rummolprod999/RustExamples written to work/ex/beta-1.38-1/sources/1.37.0/gh/rummolprod999/RustExamples/Cargo.toml
[INFO] started frobbing rummolprod999/RustExamples
[INFO] finished frobbing rummolprod999/RustExamples
[INFO] frobbed toml for rummolprod999/RustExamples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/RustExamples/Cargo.toml
[INFO] crate rummolprod999/RustExamples 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rummolprod999/RustExamples against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/RustExamples:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4e495e8ec725f99d2ceb5c8e7ad89aa2e61a25580b89908ee65a2e49fac881b4
[INFO] running `"docker" "start" "-a" "4e495e8ec725f99d2ceb5c8e7ad89aa2e61a25580b89908ee65a2e49fac881b4"`
[INFO] [stderr]    Compiling RustExamples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `func_vec`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn func_vec(v: Vec<i32>) -> bool{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustExamples` 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_examples`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "4e495e8ec725f99d2ceb5c8e7ad89aa2e61a25580b89908ee65a2e49fac881b4"`
[INFO] running `"docker" "rm" "-f" "4e495e8ec725f99d2ceb5c8e7ad89aa2e61a25580b89908ee65a2e49fac881b4"`
[INFO] [stdout] 4e495e8ec725f99d2ceb5c8e7ad89aa2e61a25580b89908ee65a2e49fac881b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/RustExamples:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 24c0af8712fca14655a06bbe9a256b42fada0bce8d198675a1e408d454e79d18
[INFO] running `"docker" "start" "-a" "24c0af8712fca14655a06bbe9a256b42fada0bce8d198675a1e408d454e79d18"`
[INFO] [stderr]    Compiling RustExamples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `func_vec`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn func_vec(v: Vec<i32>) -> bool{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustExamples` 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_examples`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "24c0af8712fca14655a06bbe9a256b42fada0bce8d198675a1e408d454e79d18"`
[INFO] running `"docker" "rm" "-f" "24c0af8712fca14655a06bbe9a256b42fada0bce8d198675a1e408d454e79d18"`
[INFO] [stdout] 24c0af8712fca14655a06bbe9a256b42fada0bce8d198675a1e408d454e79d18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rummolprod999/RustExamples:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6a5f27eebf1a23e84b61df912b67441803d11b6524de8e43d35124e085a61d93
[INFO] running `"docker" "start" "-a" "6a5f27eebf1a23e84b61df912b67441803d11b6524de8e43d35124e085a61d93"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustExamples-b134ee53e40799c0
[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" "6a5f27eebf1a23e84b61df912b67441803d11b6524de8e43d35124e085a61d93"`
[INFO] running `"docker" "rm" "-f" "6a5f27eebf1a23e84b61df912b67441803d11b6524de8e43d35124e085a61d93"`
[INFO] [stdout] 6a5f27eebf1a23e84b61df912b67441803d11b6524de8e43d35124e085a61d93