[INFO] cloning repository Zhihang-Liu/cardlang
[INFO] running `"git" "clone" "--bare" "git://github.com/Zhihang-Liu/cardlang.git" "work/cache/sources/gh/Zhihang-Liu/cardlang"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Zhihang-Liu/cardlang'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Zhihang-Liu/cardlang" "work/ex/beta-1.37-6/sources/1.36.0/gh/Zhihang-Liu/cardlang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Zhihang-Liu/cardlang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zhihang-Liu/cardlang" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Zhihang-Liu/cardlang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Zhihang-Liu/cardlang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30bb170b3c18909ec0295981538119bdd5c4e6dc
[INFO] sha for GitHub repo Zhihang-Liu/cardlang: 30bb170b3c18909ec0295981538119bdd5c4e6dc
[INFO] validating manifest of Zhihang-Liu/cardlang 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 Zhihang-Liu/cardlang 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 Zhihang-Liu/cardlang
[INFO] finished frobbing Zhihang-Liu/cardlang
[INFO] frobbed toml for Zhihang-Liu/cardlang written to work/ex/beta-1.37-6/sources/1.36.0/gh/Zhihang-Liu/cardlang/Cargo.toml
[INFO] started frobbing Zhihang-Liu/cardlang
[INFO] finished frobbing Zhihang-Liu/cardlang
[INFO] frobbed toml for Zhihang-Liu/cardlang written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Zhihang-Liu/cardlang/Cargo.toml
[INFO] crate Zhihang-Liu/cardlang 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 Zhihang-Liu/cardlang against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Zhihang-Liu/cardlang:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8c965987caf08f0868192b638a7bee0e00255da42660b2bfcae1b4e4e9f2a63b
[INFO] running `"docker" "start" "-a" "8c965987caf08f0868192b638a7bee0e00255da42660b2bfcae1b4e4e9f2a63b"`
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling cardlang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `CardParser`
[INFO] [stderr]  --> src/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct CardParser;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_card_parser`
[INFO] [stderr]   --> src/parser.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn parse_card_parser(input: &str) -> Result<(), Error<Rule>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `"docker" "inspect" "8c965987caf08f0868192b638a7bee0e00255da42660b2bfcae1b4e4e9f2a63b"`
[INFO] running `"docker" "rm" "-f" "8c965987caf08f0868192b638a7bee0e00255da42660b2bfcae1b4e4e9f2a63b"`
[INFO] [stdout] 8c965987caf08f0868192b638a7bee0e00255da42660b2bfcae1b4e4e9f2a63b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Zhihang-Liu/cardlang:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 360a6ad121e3921d8e90d30fd69e36fc02b473cdcfbe657ac236fb4ba19fe557
[INFO] running `"docker" "start" "-a" "360a6ad121e3921d8e90d30fd69e36fc02b473cdcfbe657ac236fb4ba19fe557"`
[INFO] [stderr]    Compiling cardlang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `CardParser`
[INFO] [stderr]  --> src/parser.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct CardParser;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_card_parser`
[INFO] [stderr]   --> src/parser.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn parse_card_parser(input: &str) -> Result<(), Error<Rule>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "360a6ad121e3921d8e90d30fd69e36fc02b473cdcfbe657ac236fb4ba19fe557"`
[INFO] running `"docker" "rm" "-f" "360a6ad121e3921d8e90d30fd69e36fc02b473cdcfbe657ac236fb4ba19fe557"`
[INFO] [stdout] 360a6ad121e3921d8e90d30fd69e36fc02b473cdcfbe657ac236fb4ba19fe557
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Zhihang-Liu/cardlang:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] dadf9e9831c2568b2a48d73f57d3d159a724c79849d6a09e5be0f94f65f3eef3
[INFO] running `"docker" "start" "-a" "dadf9e9831c2568b2a48d73f57d3d159a724c79849d6a09e5be0f94f65f3eef3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cardlang-2e447e3aaa2e5fed
[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" "dadf9e9831c2568b2a48d73f57d3d159a724c79849d6a09e5be0f94f65f3eef3"`
[INFO] running `"docker" "rm" "-f" "dadf9e9831c2568b2a48d73f57d3d159a724c79849d6a09e5be0f94f65f3eef3"`
[INFO] [stdout] dadf9e9831c2568b2a48d73f57d3d159a724c79849d6a09e5be0f94f65f3eef3