[INFO] updating cached repository aleozlx/sturdy-engine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aleozlx/sturdy-engine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/sturdy-engine" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/aleozlx/sturdy-engine"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/aleozlx/sturdy-engine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/sturdy-engine" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/aleozlx/sturdy-engine"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/aleozlx/sturdy-engine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4dacbf6ed9f2b6c56bf0ac58436b2546a979b367
[INFO] sha for GitHub repo aleozlx/sturdy-engine: 4dacbf6ed9f2b6c56bf0ac58436b2546a979b367
[INFO] validating manifest of aleozlx/sturdy-engine on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aleozlx/sturdy-engine on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aleozlx/sturdy-engine
[INFO] finished frobbing aleozlx/sturdy-engine
[INFO] frobbed toml for aleozlx/sturdy-engine written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/aleozlx/sturdy-engine/Cargo.toml
[INFO] started frobbing aleozlx/sturdy-engine
[INFO] finished frobbing aleozlx/sturdy-engine
[INFO] frobbed toml for aleozlx/sturdy-engine written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/aleozlx/sturdy-engine/Cargo.toml
[INFO] crate aleozlx/sturdy-engine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aleozlx/sturdy-engine against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/aleozlx/sturdy-engine:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4caa8480c78f91cfbf5a171f1d24ca1cd9aba88a4c488a6f2dc66291ec0a08d0
[INFO] running `"docker" "start" "-a" "4caa8480c78f91cfbf5a171f1d24ca1cd9aba88a4c488a6f2dc66291ec0a08d0"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling pyo3 v0.5.4
[INFO] [stderr]    Compiling pyo3-derive-backend v0.5.4
[INFO] [stderr]    Compiling pyo3cls v0.5.4
[INFO] [stderr]     Checking sturdy-engine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `mod_path` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mod_path;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_mod_path` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mod_path` is never read
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         mod_path = Path::new(".");
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mod_path` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mod_path;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_mod_path` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mod_path` is never read
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         mod_path = Path::new(".");
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     py.run("sys.stderr.flush(); sys.stdout.flush()", None, None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     std::io::stderr().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     std::io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     py.run("sys.stderr.flush(); sys.stdout.flush()", None, None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     std::io::stderr().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     std::io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.28s
[INFO] running `"docker" "inspect" "4caa8480c78f91cfbf5a171f1d24ca1cd9aba88a4c488a6f2dc66291ec0a08d0"`
[INFO] running `"docker" "rm" "-f" "4caa8480c78f91cfbf5a171f1d24ca1cd9aba88a4c488a6f2dc66291ec0a08d0"`
[INFO] [stdout] 4caa8480c78f91cfbf5a171f1d24ca1cd9aba88a4c488a6f2dc66291ec0a08d0