[INFO] updating cached repository dotjpg3141/simple_lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dotjpg3141/simple_lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dotjpg3141/simple_lang" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/dotjpg3141/simple_lang"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/dotjpg3141/simple_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dotjpg3141/simple_lang" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/dotjpg3141/simple_lang"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/dotjpg3141/simple_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfae46d61aaab41cf530750af2c332cf297a86fb
[INFO] sha for GitHub repo dotjpg3141/simple_lang: cfae46d61aaab41cf530750af2c332cf297a86fb
[INFO] validating manifest of dotjpg3141/simple_lang 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 dotjpg3141/simple_lang 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 dotjpg3141/simple_lang
[INFO] finished frobbing dotjpg3141/simple_lang
[INFO] frobbed toml for dotjpg3141/simple_lang written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/dotjpg3141/simple_lang/Cargo.toml
[INFO] started frobbing dotjpg3141/simple_lang
[INFO] finished frobbing dotjpg3141/simple_lang
[INFO] frobbed toml for dotjpg3141/simple_lang written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/dotjpg3141/simple_lang/Cargo.toml
[INFO] crate dotjpg3141/simple_lang 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 dotjpg3141/simple_lang against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/dotjpg3141/simple_lang:/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] 4050358ec3c4dae16e1626087283c505b767d953cc9461ee4071b46cd192452b
[INFO] running `"docker" "start" "-a" "4050358ec3c4dae16e1626087283c505b767d953cc9461ee4071b46cd192452b"`
[INFO] [stderr]     Checking simple_lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_slice`
[INFO] [stderr]   --> src/simplelang/indexed_slice.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn from_slice(slice: &'a [T]) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at_range`
[INFO] [stderr]   --> src/simplelang/mod.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at_range`
[INFO] [stderr]   --> src/simplelang/mod.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "4050358ec3c4dae16e1626087283c505b767d953cc9461ee4071b46cd192452b"`
[INFO] running `"docker" "rm" "-f" "4050358ec3c4dae16e1626087283c505b767d953cc9461ee4071b46cd192452b"`
[INFO] [stdout] 4050358ec3c4dae16e1626087283c505b767d953cc9461ee4071b46cd192452b