[INFO] updating cached repository ruza-net/miful
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ruza-net/miful
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ruza-net/miful" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ruza-net/miful"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ruza-net/miful'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruza-net/miful" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ruza-net/miful"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ruza-net/miful'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15cb0549bde7bbac4a7ff018701333608401e4ea
[INFO] sha for GitHub repo ruza-net/miful: 15cb0549bde7bbac4a7ff018701333608401e4ea
[INFO] validating manifest of ruza-net/miful on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ruza-net/miful on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ruza-net/miful
[INFO] finished frobbing ruza-net/miful
[INFO] frobbed toml for ruza-net/miful written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/ruza-net/miful/Cargo.toml
[INFO] started frobbing ruza-net/miful
[INFO] finished frobbing ruza-net/miful
[INFO] frobbed toml for ruza-net/miful written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ruza-net/miful/Cargo.toml
[INFO] crate ruza-net/miful has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ruza-net/miful against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/ruza-net/miful:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ebe873140ac79105e15a59683ec79ba6b105d27da873a6dacf024d8b7fd69f4c
[INFO] running `"docker" "start" "-a" "ebe873140ac79105e15a59683ec79ba6b105d27da873a6dacf024d8b7fd69f4c"`
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking miful v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/parsing/token.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn empty() -> Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Undefined`
[INFO] [stderr]   --> src/parsing/lexer.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Undefined
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_depth`
[INFO] [stderr]   --> src/parsing/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn print_depth(depth: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/parsing/ast.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn empty() -> NodeWrapper {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr] 
[INFO] [stderr]   --> src/parsing/token.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn empty() -> Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Undefined`
[INFO] [stderr]   --> src/parsing/lexer.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Undefined
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_depth`
[INFO] [stderr]   --> src/parsing/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn print_depth(depth: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/parsing/ast.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn empty() -> NodeWrapper {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `"docker" "inspect" "ebe873140ac79105e15a59683ec79ba6b105d27da873a6dacf024d8b7fd69f4c"`
[INFO] running `"docker" "rm" "-f" "ebe873140ac79105e15a59683ec79ba6b105d27da873a6dacf024d8b7fd69f4c"`
[INFO] [stdout] ebe873140ac79105e15a59683ec79ba6b105d27da873a6dacf024d8b7fd69f4c