[INFO] fetching crate bern-kernel 0.3.0... [INFO] checking bern-kernel-0.3.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] extracting crate bern-kernel 0.3.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate bern-kernel 0.3.0 on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bern-kernel 0.3.0 [INFO] finished tweaking crates.io crate bern-kernel 0.3.0 [INFO] tweaked toml for crates.io crate bern-kernel 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 75 packages to latest compatible versions [INFO] [stderr] Adding bare-metal v0.2.5 (latest: v1.0.0) [INFO] [stderr] Adding bitfield v0.13.2 (latest: v0.16.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding mockall v0.11.4 (latest: v0.13.0) [INFO] [stderr] Adding mockall_derive v0.11.4 (latest: v0.13.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding num v0.3.1 (latest: v0.4.3) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.2) [INFO] [stderr] Adding predicates v2.1.5 (latest: v3.1.2) [INFO] [stderr] Adding rtt-target v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.72) [INFO] [stderr] Adding termtree v0.4.1 (latest: v0.5.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rtt-target v0.3.1 [INFO] [stderr] Downloaded const_format v0.2.32 [INFO] [stderr] Downloaded predicates v2.1.5 [INFO] [stderr] Downloaded mockall_derive v0.11.4 [INFO] [stderr] Downloaded ufmt-write v0.1.0 [INFO] [stderr] Downloaded mockall v0.11.4 [INFO] [stderr] Downloaded const_format_proc_macros v0.2.32 [INFO] [stderr] Downloaded bern-conf v0.2.0 [INFO] [stderr] Downloaded rtos-trace v0.1.3 [INFO] [stderr] Downloaded bern-kernel-macros v0.3.0 [INFO] [stderr] Downloaded bern-units v0.1.0 [INFO] [stderr] Downloaded bern-conf-type v0.2.0 [INFO] [stderr] Downloaded bern-arch v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7f47aea72e5d4c71d13bc7afda8ea81a72a1c10cd7ca190ecfb5ba4f75b35a6 [INFO] running `Command { std: "docker" "start" "-a" "c7f47aea72e5d4c71d13bc7afda8ea81a72a1c10cd7ca190ecfb5ba4f75b35a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7f47aea72e5d4c71d13bc7afda8ea81a72a1c10cd7ca190ecfb5ba4f75b35a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7f47aea72e5d4c71d13bc7afda8ea81a72a1c10cd7ca190ecfb5ba4f75b35a6", kill_on_drop: false }` [INFO] [stdout] c7f47aea72e5d4c71d13bc7afda8ea81a72a1c10cd7ca190ecfb5ba4f75b35a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9fbe1258cf2b70320b2f572f4c3e0ed11c37d88e03567f4414d9d6705a14b0b [INFO] running `Command { std: "docker" "start" "-a" "c9fbe1258cf2b70320b2f572f4c3e0ed11c37d88e03567f4414d9d6705a14b0b", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling bern-arch v0.3.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling predicates-core v1.0.8 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling fragile v2.0.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling downcast v0.11.0 [INFO] [stderr] Compiling predicates-tree v1.0.11 [INFO] [stderr] Compiling bern-units v0.1.0 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling const_format_proc_macros v0.2.32 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking rtos-trace v0.1.3 [INFO] [stderr] Compiling predicates v2.1.5 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking embedded-time v0.12.1 [INFO] [stderr] Compiling const_format v0.2.32 [INFO] [stderr] Compiling mockall_derive v0.11.4 [INFO] [stderr] Compiling mockall v0.11.4 [INFO] [stderr] Checking bern-conf-type v0.2.0 [INFO] [stderr] Checking bern-conf v0.2.0 [INFO] [stderr] Compiling bern-kernel v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling bern-kernel-macros v0.3.0 [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sched/idle.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | data_start: (&__smprocess_default_idle) as *const _ as *const u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 18 | data_start: addr_of!(__smprocess_default_idle)) as *const _ as *const u8, [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sched/idle.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | data_end: (&__emprocess_default_idle) as *const _ as *const u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 19 | data_end: addr_of!(__emprocess_default_idle)) as *const _ as *const u8, [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sched/idle.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | data_start: (&__smprocess_default_idle) as *const _ as *const u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 18 | data_start: addr_of!(__smprocess_default_idle)) as *const _ as *const u8, [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sched/idle.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | data_end: (&__emprocess_default_idle) as *const _ as *const u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 19 | data_end: addr_of!(__emprocess_default_idle)) as *const _ as *const u8, [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/sched/idle.rs:35:40 [INFO] [stdout] | [INFO] [stdout] 35 | .stack(unsafe { Stack::new(&mut STACK, STACK.len()) }) [INFO] [stdout] | ^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 35 | .stack(unsafe { Stack::new(addr_of_mut!(STACK), STACK.len()) }) [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/sched/idle.rs:35:40 [INFO] [stdout] | [INFO] [stdout] 35 | .stack(unsafe { Stack::new(&mut STACK, STACK.len()) }) [INFO] [stdout] | ^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 35 | .stack(unsafe { Stack::new(addr_of_mut!(STACK), STACK.len()) }) [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/alloc/heap.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | HEAP.init_from_slice(&mut HEAP_BUFFER); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 204 | HEAP.init_from_slice(addr_of_mut!(HEAP_BUFFER)); [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/alloc/heap.rs:219:34 [INFO] [stdout] | [INFO] [stdout] 219 | HEAP.init_from_slice(&mut HEAP_BUFFER); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 219 | HEAP.init_from_slice(addr_of_mut!(HEAP_BUFFER)); [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/alloc/heap.rs:233:34 [INFO] [stdout] | [INFO] [stdout] 233 | HEAP.init_from_slice(&mut HEAP_BUFFER); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 233 | HEAP.init_from_slice(addr_of_mut!(HEAP_BUFFER)); [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/alloc/pool.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 22 | struct Range { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 23 | pub start: *const u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub end: *const u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `try_allocate` and `try_deallocate` are never used [INFO] [stdout] --> src/alloc/pool.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl Partition { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 76 | fn try_allocate(&self, layout: Layout) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | unsafe fn try_deallocate(&self, ptr: NonNull, _layout: Layout) -> Result<(),PoolError> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pool` is never constructed [INFO] [stdout] --> src/alloc/pool.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct Pool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[mem::linked_list::LinkedList; 8]` does not permit being left uninitialized [INFO] [stdout] --> src/sched.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | MaybeUninit::uninit().assume_init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: raw pointers must be initialized (in this struct field) [INFO] [stdout] --> src/mem/linked_list.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | head: Link, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[mem::linked_list::LinkedList; 8]` does not permit being left uninitialized [INFO] [stdout] --> src/sched.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | MaybeUninit::uninit().assume_init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: raw pointers must be initialized (in this struct field) [INFO] [stdout] --> src/mem/linked_list.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | head: Link, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.45s [INFO] running `Command { std: "docker" "inspect" "c9fbe1258cf2b70320b2f572f4c3e0ed11c37d88e03567f4414d9d6705a14b0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9fbe1258cf2b70320b2f572f4c3e0ed11c37d88e03567f4414d9d6705a14b0b", kill_on_drop: false }` [INFO] [stdout] c9fbe1258cf2b70320b2f572f4c3e0ed11c37d88e03567f4414d9d6705a14b0b