[INFO] updating cached repository Zhihang-Liu/cardlang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Zhihang-Liu/cardlang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Zhihang-Liu/cardlang" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Zhihang-Liu/cardlang"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Zhihang-Liu/cardlang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zhihang-Liu/cardlang" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Zhihang-Liu/cardlang"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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 master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Zhihang-Liu/cardlang on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "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/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Zhihang-Liu/cardlang against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5028909206a204ee9e2e9bb35d24ce61f16215ad1bedc1bcc34b9a96a1ba90df
[INFO] running `"docker" "start" "-a" "5028909206a204ee9e2e9bb35d24ce61f16215ad1bedc1bcc34b9a96a1ba90df"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking 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] 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 15.79s
[INFO] running `"docker" "inspect" "5028909206a204ee9e2e9bb35d24ce61f16215ad1bedc1bcc34b9a96a1ba90df"`
[INFO] running `"docker" "rm" "-f" "5028909206a204ee9e2e9bb35d24ce61f16215ad1bedc1bcc34b9a96a1ba90df"`
[INFO] [stdout] 5028909206a204ee9e2e9bb35d24ce61f16215ad1bedc1bcc34b9a96a1ba90df