[INFO] fetching crate safe-mmio 0.2.5... [INFO] checking safe-mmio-0.2.5 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate safe-mmio 0.2.5 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate safe-mmio 0.2.5 [INFO] finished tweaking crates.io crate safe-mmio 0.2.5 [INFO] tweaked toml for crates.io crate safe-mmio 0.2.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate safe-mmio 0.2.5 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate safe-mmio 0.2.5 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ceca89e2a4c3d201b51fea9eef740a8d3e9be0209c43bd1271e1504a61c2f7af [INFO] running `Command { std: "docker" "start" "-a" "ceca89e2a4c3d201b51fea9eef740a8d3e9be0209c43bd1271e1504a61c2f7af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ceca89e2a4c3d201b51fea9eef740a8d3e9be0209c43bd1271e1504a61c2f7af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ceca89e2a4c3d201b51fea9eef740a8d3e9be0209c43bd1271e1504a61c2f7af", kill_on_drop: false }` [INFO] [stdout] ceca89e2a4c3d201b51fea9eef740a8d3e9be0209c43bd1271e1504a61c2f7af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 838945af55d6889857b62bc020bf7d442d03ddbcab59d222efe5cdc11d0b5d0c [INFO] running `Command { std: "docker" "start" "-a" "838945af55d6889857b62bc020bf7d442d03ddbcab59d222efe5cdc11d0b5d0c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling zerocopy-derive v0.8.24 [INFO] [stderr] Checking safe-mmio v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:78:42 [INFO] [stdout] | [INFO] [stdout] 78 | pub const unsafe fn child(&mut self, regs: NonNull) -> UniqueMmioPointer { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 78 | pub const unsafe fn child(&mut self, regs: NonNull) -> UniqueMmioPointer<'_, U> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:96:27 [INFO] [stdout] | [INFO] [stdout] 96 | pub const fn reborrow(&mut self) -> UniqueMmioPointer { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 96 | pub const fn reborrow(&mut self) -> UniqueMmioPointer<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:193:22 [INFO] [stdout] | [INFO] [stdout] 193 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 193 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:240:18 [INFO] [stdout] | [INFO] [stdout] 240 | pub fn split(&mut self) -> [UniqueMmioPointer; LEN] { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 240 | pub fn split(&mut self) -> [UniqueMmioPointer<'_, T>; LEN] { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:252:31 [INFO] [stdout] | [INFO] [stdout] 252 | pub const fn as_mut_slice(&mut self) -> UniqueMmioPointer<[T]> { [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 252 | pub const fn as_mut_slice(&mut self) -> UniqueMmioPointer<'_, [T]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:274:22 [INFO] [stdout] | [INFO] [stdout] 274 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 274 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:78:42 [INFO] [stdout] | [INFO] [stdout] 78 | pub const unsafe fn child(&mut self, regs: NonNull) -> UniqueMmioPointer { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 78 | pub const unsafe fn child(&mut self, regs: NonNull) -> UniqueMmioPointer<'_, U> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:96:27 [INFO] [stdout] | [INFO] [stdout] 96 | pub const fn reborrow(&mut self) -> UniqueMmioPointer { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 96 | pub const fn reborrow(&mut self) -> UniqueMmioPointer<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:193:22 [INFO] [stdout] | [INFO] [stdout] 193 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 193 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:240:18 [INFO] [stdout] | [INFO] [stdout] 240 | pub fn split(&mut self) -> [UniqueMmioPointer; LEN] { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 240 | pub fn split(&mut self) -> [UniqueMmioPointer<'_, T>; LEN] { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:252:31 [INFO] [stdout] | [INFO] [stdout] 252 | pub const fn as_mut_slice(&mut self) -> UniqueMmioPointer<[T]> { [INFO] [stdout] | ^^^^^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 252 | pub const fn as_mut_slice(&mut self) -> UniqueMmioPointer<'_, [T]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:274:22 [INFO] [stdout] | [INFO] [stdout] 274 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | ^^^^^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 274 | pub const fn get(&mut self, index: usize) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s [INFO] running `Command { std: "docker" "inspect" "838945af55d6889857b62bc020bf7d442d03ddbcab59d222efe5cdc11d0b5d0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "838945af55d6889857b62bc020bf7d442d03ddbcab59d222efe5cdc11d0b5d0c", kill_on_drop: false }` [INFO] [stdout] 838945af55d6889857b62bc020bf7d442d03ddbcab59d222efe5cdc11d0b5d0c