[INFO] fetching crate chip_8 0.3.1... [INFO] checking chip_8-0.3.1 against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728 [INFO] extracting crate chip_8 0.3.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate chip_8 0.3.1 on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chip_8 0.3.1 [INFO] finished tweaking crates.io crate chip_8 0.3.1 [INFO] tweaked toml for crates.io crate chip_8 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 106 packages to latest compatible versions [INFO] [stderr] Adding proptest v0.10.1 (available: v1.6.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.11) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded version-sync v0.9.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e31a937f8b2d59e5386b8cc16582d81846c60cb4c49c36510f5497afd5d808fc [INFO] running `Command { std: "docker" "start" "-a" "e31a937f8b2d59e5386b8cc16582d81846c60cb4c49c36510f5497afd5d808fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e31a937f8b2d59e5386b8cc16582d81846c60cb4c49c36510f5497afd5d808fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e31a937f8b2d59e5386b8cc16582d81846c60cb4c49c36510f5497afd5d808fc", kill_on_drop: false }` [INFO] [stdout] e31a937f8b2d59e5386b8cc16582d81846c60cb4c49c36510f5497afd5d808fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df06b9c25fce4176e0e4a4fc5d497645e721584023d3fbc892480a41bdf2e053 [INFO] running `Command { std: "docker" "start" "-a" "df06b9c25fce4176e0e4a4fc5d497645e721584023d3fbc892480a41bdf2e053", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking writeable v0.5.5 [INFO] [stderr] Checking litemap v0.7.5 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling serde v1.0.218 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking icu_locid_transform_data v1.5.0 [INFO] [stderr] Checking icu_properties_data v1.5.0 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Checking icu_normalizer_data v1.5.0 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking utf16_iter v1.0.5 [INFO] [stderr] Compiling getrandom v0.3.1 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking write16 v1.0.0 [INFO] [stderr] Checking smallvec v1.14.0 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling semver v1.0.25 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking winnow v0.5.40 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking unicase v2.8.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking quote v1.0.38 [INFO] [stderr] Checking indexmap v2.7.1 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking tempfile v3.17.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.7.5 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking proptest v0.10.1 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking chip_8 v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 132 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:139:5 [INFO] [stdout] | [INFO] [stdout] 139 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 146 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/vm.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stdout] warning: fields `i` and `pc` are never read [INFO] [stdout] --> src/vm.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | struct Registers { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 29 | vregisters: [VRegisterValue; 16], // TODO: Use variant_count for constant? [INFO] [stdout] 30 | i: IRegisterValue, [INFO] [stdout] | ^ [INFO] [stdout] 31 | pc: PCRegisterValue, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `registers`, `rng`, `sys_fn`, `keypad`, `waiting_on_any_keypress`, and `display` are never read [INFO] [stdout] --> src/vm.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 70 | pub struct VM { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] 71 | registers: Registers, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 72 | rng: R, [INFO] [stdout] | ^^^ [INFO] [stdout] 73 | sys_fn: fn(&mut Self, crate::instructions::Addr) -> crate::errors::Result<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 74 | keypad: crate::keypad::Keypad, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 75 | waiting_on_any_keypress: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 76 | memory: Memory, [INFO] [stdout] 77 | display: Display, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `execute_instruction` is never used [INFO] [stdout] --> src/vm.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 94 | / impl VM [INFO] [stdout] 95 | | where [INFO] [stdout] 96 | | R: rand::Rng, [INFO] [stdout] | |_________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 123 | fn execute_instruction(&mut self, instruction: &Instruction) -> crate::errors::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking idna_adapter v1.2.0 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking version-sync v0.9.5 [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 132 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:139:5 [INFO] [stdout] | [INFO] [stdout] 139 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keypad.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 146 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/vm.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.37s [INFO] running `Command { std: "docker" "inspect" "df06b9c25fce4176e0e4a4fc5d497645e721584023d3fbc892480a41bdf2e053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df06b9c25fce4176e0e4a4fc5d497645e721584023d3fbc892480a41bdf2e053", kill_on_drop: false }` [INFO] [stdout] df06b9c25fce4176e0e4a4fc5d497645e721584023d3fbc892480a41bdf2e053