[INFO] cloning repository https://github.com/JulianKniephoff/snek [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JulianKniephoff/snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianKniephoff%2Fsnek"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianKniephoff%2Fsnek'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 945ff343ae5fe5327ee612b9e68b8f26453247e1 [INFO] checking JulianKniephoff/snek against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianKniephoff%2Fsnek" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JulianKniephoff/snek on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/JulianKniephoff/snek [INFO] finished tweaking git repo https://github.com/JulianKniephoff/snek [INFO] tweaked toml for git repo https://github.com/JulianKniephoff/snek written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/JulianKniephoff/snek already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 07045838cdd52c77e323e16bb4c7c7407e3071e64e5f64896448d6ed01e15491 [INFO] running `"docker" "start" "-a" "07045838cdd52c77e323e16bb4c7c7407e3071e64e5f64896448d6ed01e15491"` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.33 [INFO] [stderr] Compiling rustc-demangle v0.1.13 [INFO] [stderr] Compiling wasm-bindgen v0.2.33 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Checking rand_pcg v0.1.1 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling weedle v0.8.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling env_logger v0.6.0 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.33 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.33 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.33 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling wasm-bindgen-webidl v0.2.27 [INFO] [stderr] Checking js-sys v0.3.10 [INFO] [stderr] Checking console_error_panic_hook v0.1.5 [INFO] [stderr] Compiling web-sys v0.3.10 [INFO] [stderr] Checking snek v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:378:26 [INFO] [stderr] | [INFO] [stderr] 378 | let closure: Closure = Closure::new(handler); [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn FnMut(E)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:378:26 [INFO] [stderr] | [INFO] [stderr] 378 | let closure: Closure = Closure::new(handler); [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn FnMut(E)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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: 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: 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 1m 42s [INFO] running `"docker" "inspect" "07045838cdd52c77e323e16bb4c7c7407e3071e64e5f64896448d6ed01e15491"` [INFO] running `"docker" "rm" "-f" "07045838cdd52c77e323e16bb4c7c7407e3071e64e5f64896448d6ed01e15491"` [INFO] [stdout] 07045838cdd52c77e323e16bb4c7c7407e3071e64e5f64896448d6ed01e15491