[INFO] updating cached repository JulianKniephoff/snek [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/JulianKniephoff/snek [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/JulianKniephoff/snek" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/JulianKniephoff/snek"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/JulianKniephoff/snek'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/JulianKniephoff/snek" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JulianKniephoff/snek"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JulianKniephoff/snek'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 61779e54be45775750b6be9a9d2ff1bd8e76b744 [INFO] sha for GitHub repo JulianKniephoff/snek: 61779e54be45775750b6be9a9d2ff1bd8e76b744 [INFO] validating manifest of JulianKniephoff/snek 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 JulianKniephoff/snek 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 JulianKniephoff/snek [INFO] finished frobbing JulianKniephoff/snek [INFO] frobbed toml for JulianKniephoff/snek written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/JulianKniephoff/snek/Cargo.toml [INFO] started frobbing JulianKniephoff/snek [INFO] finished frobbing JulianKniephoff/snek [INFO] frobbed toml for JulianKniephoff/snek written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JulianKniephoff/snek/Cargo.toml [INFO] crate JulianKniephoff/snek 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 JulianKniephoff/snek against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/JulianKniephoff/snek:/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] 811c2f12a6362282e8832fca964d9e7654148728edfda8b3c0c2ec895b33af84 [INFO] running `"docker" "start" "-a" "811c2f12a6362282e8832fca964d9e7654148728edfda8b3c0c2ec895b33af84"` [INFO] [stderr] Compiling wasm-bindgen v0.2.33 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking js-sys v0.3.10 [INFO] [stderr] Checking console_error_panic_hook v0.1.5 [INFO] [stderr] Compiling env_logger v0.6.0 [INFO] [stderr] Compiling web-sys v0.3.10 [INFO] [stderr] Checking snek v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: cannot borrow `self.segments` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 76 | let current_head = self.segments.front().unwrap(); [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 81 | self.segments.push_front(Segment::new( [INFO] [stderr] | ^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stderr] 82 | new_start, [INFO] [stderr] 83 | current_head.start, [INFO] [stderr] | ------------------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant `starting_length` should have an upper case name [INFO] [stderr] --> src/lib.rs:38:15 [INFO] [stderr] | [INFO] [stderr] 38 | const starting_length: usize = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `STARTING_LENGTH` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:317:5 [INFO] [stderr] | [INFO] [stderr] 317 | context.scale(PIXELS_PER_TILE as f64, PIXELS_PER_TILE as f64); [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/lib.rs:320:5 [INFO] [stderr] | [INFO] [stderr] 320 | context.translate(1.0, 1.0); [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/lib.rs:322:5 [INFO] [stderr] | [INFO] [stderr] 322 | context.translate(0.5, 0.5); [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/lib.rs:341:5 [INFO] [stderr] | [INFO] [stderr] 341 | context.translate(0.5, 0.5); [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/lib.rs:365:5 [INFO] [stderr] | [INFO] [stderr] 365 | canvas.style().set_property("width", &(canvas_width.to_string() + "px")); [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/lib.rs:366:5 [INFO] [stderr] | [INFO] [stderr] 366 | canvas.style().set_property("height", &(canvas_height.to_string() + "px")); [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/lib.rs:379:5 [INFO] [stderr] | [INFO] [stderr] 379 | / target.add_event_listener_with_callback( [INFO] [stderr] 380 | | event_type, [INFO] [stderr] 381 | | closure.as_ref().unchecked_ref() [INFO] [stderr] 382 | | ); [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/screen.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | / self.front_buffer.context.scale( [INFO] [stderr] 40 | | scale as f64, [INFO] [stderr] 41 | | scale as f64, [INFO] [stderr] 42 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `self.segments` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/lib.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 76 | let current_head = self.segments.front().unwrap(); [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 81 | self.segments.push_front(Segment::new( [INFO] [stderr] | ^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stderr] 82 | new_start, [INFO] [stderr] 83 | current_head.start, [INFO] [stderr] | ------------------ immutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant `starting_length` should have an upper case name [INFO] [stderr] --> src/lib.rs:38:15 [INFO] [stderr] | [INFO] [stderr] 38 | const starting_length: usize = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `STARTING_LENGTH` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:317:5 [INFO] [stderr] | [INFO] [stderr] 317 | context.scale(PIXELS_PER_TILE as f64, PIXELS_PER_TILE as f64); [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/lib.rs:320:5 [INFO] [stderr] | [INFO] [stderr] 320 | context.translate(1.0, 1.0); [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/lib.rs:322:5 [INFO] [stderr] | [INFO] [stderr] 322 | context.translate(0.5, 0.5); [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/lib.rs:341:5 [INFO] [stderr] | [INFO] [stderr] 341 | context.translate(0.5, 0.5); [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/lib.rs:365:5 [INFO] [stderr] | [INFO] [stderr] 365 | canvas.style().set_property("width", &(canvas_width.to_string() + "px")); [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/lib.rs:366:5 [INFO] [stderr] | [INFO] [stderr] 366 | canvas.style().set_property("height", &(canvas_height.to_string() + "px")); [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/lib.rs:379:5 [INFO] [stderr] | [INFO] [stderr] 379 | / target.add_event_listener_with_callback( [INFO] [stderr] 380 | | event_type, [INFO] [stderr] 381 | | closure.as_ref().unchecked_ref() [INFO] [stderr] 382 | | ); [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/screen.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | / self.front_buffer.context.scale( [INFO] [stderr] 40 | | scale as f64, [INFO] [stderr] 41 | | scale as f64, [INFO] [stderr] 42 | | ); [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 33.44s [INFO] running `"docker" "inspect" "811c2f12a6362282e8832fca964d9e7654148728edfda8b3c0c2ec895b33af84"` [INFO] running `"docker" "rm" "-f" "811c2f12a6362282e8832fca964d9e7654148728edfda8b3c0c2ec895b33af84"` [INFO] [stdout] 811c2f12a6362282e8832fca964d9e7654148728edfda8b3c0c2ec895b33af84