[INFO] fetching crate safe_wren 0.1.0... [INFO] checking safe_wren-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate safe_wren 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate safe_wren 0.1.0 [INFO] finished tweaking crates.io crate safe_wren 0.1.0 [INFO] tweaked toml for crates.io crate safe_wren 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate safe_wren 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate safe_wren 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00d771b2b7b340016fb8b712a04d27fc8dff12eb86388dbcc84974bcbadc6bef [INFO] running `Command { std: "docker" "start" "-a" "00d771b2b7b340016fb8b712a04d27fc8dff12eb86388dbcc84974bcbadc6bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00d771b2b7b340016fb8b712a04d27fc8dff12eb86388dbcc84974bcbadc6bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00d771b2b7b340016fb8b712a04d27fc8dff12eb86388dbcc84974bcbadc6bef", kill_on_drop: false }` [INFO] [stdout] 00d771b2b7b340016fb8b712a04d27fc8dff12eb86388dbcc84974bcbadc6bef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f64240c1dcf40b7053344a7323f176667c1caf8f7491ca41e68e94b4e7bb6919 [INFO] running `Command { std: "docker" "start" "-a" "f64240c1dcf40b7053344a7323f176667c1caf8f7491ca41e68e94b4e7bb6919", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling safe_wren v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `newSize` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | newSize: size_t, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `new_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `userData` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | userData: *mut c_void, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `user_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `className` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | className: *const c_char, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `class_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `isStatic` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | isStatic: bool, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `is_static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `className` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | className: *const c_char, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `class_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/ffi/c_api.rs:310:14 [INFO] [stdout] | [INFO] [stdout] 310 | unsafe { Box::from_raw(vm_ptr) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 310 | unsafe { let _ = Box::from_raw(vm_ptr); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/ffi/c_api.rs:532:24 [INFO] [stdout] | [INFO] [stdout] 532 | vm.set_slot_double(usize::try_from(slot).unwrap(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `safe_wren` (lib) due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable `newSize` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | newSize: size_t, [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `new_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `userData` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | userData: *mut c_void, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `user_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `className` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | className: *const c_char, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `class_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `isStatic` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | isStatic: bool, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `is_static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `className` should have a snake case name [INFO] [stdout] --> src/ffi/c_api.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | className: *const c_char, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `class_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/ffi/c_api.rs:310:14 [INFO] [stdout] | [INFO] [stdout] 310 | unsafe { Box::from_raw(vm_ptr) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 310 | unsafe { let _ = Box::from_raw(vm_ptr); }; [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/ffi/c_api.rs:532:24 [INFO] [stdout] | [INFO] [stdout] 532 | vm.set_slot_double(usize::try_from(slot).unwrap(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `safe_wren` (lib test) due to 1 previous error; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f64240c1dcf40b7053344a7323f176667c1caf8f7491ca41e68e94b4e7bb6919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f64240c1dcf40b7053344a7323f176667c1caf8f7491ca41e68e94b4e7bb6919", kill_on_drop: false }` [INFO] [stdout] f64240c1dcf40b7053344a7323f176667c1caf8f7491ca41e68e94b4e7bb6919