[INFO] updating cached repository intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused" "work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48f42e55a14a8cc2be9ae918a312cb9b092fd3e1
[INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused: 48f42e55a14a8cc2be9ae918a312cb9b092fd3e1
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused 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 intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused 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 intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused written to work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused/Cargo.toml
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused/Cargo.toml
[INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused 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 intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused 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/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused:/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] f388daa94ecc1e47e5b78a5ad1f4e9f149206132b7510001b61ddd499b74f18f
[INFO] running `"docker" "start" "-a" "f388daa94ecc1e47e5b78a5ad1f4e9f149206132b7510001b61ddd499b74f18f"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-attribute-unused v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `noisy_unused_function`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn noisy_unused_function() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "f388daa94ecc1e47e5b78a5ad1f4e9f149206132b7510001b61ddd499b74f18f"`
[INFO] running `"docker" "rm" "-f" "f388daa94ecc1e47e5b78a5ad1f4e9f149206132b7510001b61ddd499b74f18f"`
[INFO] [stdout] f388daa94ecc1e47e5b78a5ad1f4e9f149206132b7510001b61ddd499b74f18f
[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/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused:/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] 30ed4dea1176b3999d8689ab1951a995577c1a2465cf797df5889d330a4bfe66
[INFO] running `"docker" "start" "-a" "30ed4dea1176b3999d8689ab1951a995577c1a2465cf797df5889d330a4bfe66"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-attribute-unused v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `noisy_unused_function`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn noisy_unused_function() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "30ed4dea1176b3999d8689ab1951a995577c1a2465cf797df5889d330a4bfe66"`
[INFO] running `"docker" "rm" "-f" "30ed4dea1176b3999d8689ab1951a995577c1a2465cf797df5889d330a4bfe66"`
[INFO] [stdout] 30ed4dea1176b3999d8689ab1951a995577c1a2465cf797df5889d330a4bfe66
[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/intrepion/example-x-rust-x-rustbyexample-com-x-attribute-unused:/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] b1ce85692484203303c1859c368a9ed9e40e7651f3546c78aeab0be7d563ca34
[INFO] running `"docker" "start" "-a" "b1ce85692484203303c1859c368a9ed9e40e7651f3546c78aeab0be7d563ca34"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/example_x_rust_x_rustbyexample_com_x_attribute_unused-1d32ec55b923ee97
[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" "b1ce85692484203303c1859c368a9ed9e40e7651f3546c78aeab0be7d563ca34"`
[INFO] running `"docker" "rm" "-f" "b1ce85692484203303c1859c368a9ed9e40e7651f3546c78aeab0be7d563ca34"`
[INFO] [stdout] b1ce85692484203303c1859c368a9ed9e40e7651f3546c78aeab0be7d563ca34