[INFO] updating cached repository An-Tu/rust-template-creator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/An-Tu/rust-template-creator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/An-Tu/rust-template-creator" "work/ex/beta-1.37-6/sources/1.36.0/gh/An-Tu/rust-template-creator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/An-Tu/rust-template-creator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/An-Tu/rust-template-creator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/An-Tu/rust-template-creator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/An-Tu/rust-template-creator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e66be8bfb3607be658fcf362676d7c75351a8674
[INFO] sha for GitHub repo An-Tu/rust-template-creator: e66be8bfb3607be658fcf362676d7c75351a8674
[INFO] validating manifest of An-Tu/rust-template-creator on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of An-Tu/rust-template-creator on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing An-Tu/rust-template-creator
[INFO] finished frobbing An-Tu/rust-template-creator
[INFO] frobbed toml for An-Tu/rust-template-creator written to work/ex/beta-1.37-6/sources/1.36.0/gh/An-Tu/rust-template-creator/Cargo.toml
[INFO] started frobbing An-Tu/rust-template-creator
[INFO] finished frobbing An-Tu/rust-template-creator
[INFO] frobbed toml for An-Tu/rust-template-creator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/An-Tu/rust-template-creator/Cargo.toml
[INFO] crate An-Tu/rust-template-creator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing An-Tu/rust-template-creator against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/An-Tu/rust-template-creator:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b8b10e0069be68f78101c426630dff36ff90aff6c3cb4a8f564994fec8bd4412
[INFO] running `"docker" "start" "-a" "b8b10e0069be68f78101c426630dff36ff90aff6c3cb4a8f564994fec8bd4412"`
[INFO] [stderr]    Compiling template_creator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]  --> src/fs_helpers.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn read_file<P: AsRef<Path>>(path_to_file: P) -> Result<String> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "b8b10e0069be68f78101c426630dff36ff90aff6c3cb4a8f564994fec8bd4412"`
[INFO] running `"docker" "rm" "-f" "b8b10e0069be68f78101c426630dff36ff90aff6c3cb4a8f564994fec8bd4412"`
[INFO] [stdout] b8b10e0069be68f78101c426630dff36ff90aff6c3cb4a8f564994fec8bd4412
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/An-Tu/rust-template-creator:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 11350b8755496dca09f41a74a51b82951927b6efc9af82f3b9b3f64fb088ed2a
[INFO] running `"docker" "start" "-a" "11350b8755496dca09f41a74a51b82951927b6efc9af82f3b9b3f64fb088ed2a"`
[INFO] [stderr]    Compiling template_creator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]  --> src/fs_helpers.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn read_file<P: AsRef<Path>>(path_to_file: P) -> Result<String> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "11350b8755496dca09f41a74a51b82951927b6efc9af82f3b9b3f64fb088ed2a"`
[INFO] running `"docker" "rm" "-f" "11350b8755496dca09f41a74a51b82951927b6efc9af82f3b9b3f64fb088ed2a"`
[INFO] [stdout] 11350b8755496dca09f41a74a51b82951927b6efc9af82f3b9b3f64fb088ed2a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/An-Tu/rust-template-creator:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f3ab00d8f39a216bf715945aa8d4aa0fcef4789e112ebc5bfda7c5ca3d4283de
[INFO] running `"docker" "start" "-a" "f3ab00d8f39a216bf715945aa8d4aa0fcef4789e112ebc5bfda7c5ca3d4283de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/template_creator-4ee98751fe8c2d37
[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" "f3ab00d8f39a216bf715945aa8d4aa0fcef4789e112ebc5bfda7c5ca3d4283de"`
[INFO] running `"docker" "rm" "-f" "f3ab00d8f39a216bf715945aa8d4aa0fcef4789e112ebc5bfda7c5ca3d4283de"`
[INFO] [stdout] f3ab00d8f39a216bf715945aa8d4aa0fcef4789e112ebc5bfda7c5ca3d4283de