[INFO] fetching crate vecvec 0.1.0... [INFO] checking vecvec-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate vecvec 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate vecvec 0.1.0 [INFO] finished tweaking crates.io crate vecvec 0.1.0 [INFO] tweaked toml for crates.io crate vecvec 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vecvec 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df2a29e03c1d9e8494f3fdb474c641687fb448b38085ec0887b67571dac1446d [INFO] running `Command { std: "docker" "start" "-a" "df2a29e03c1d9e8494f3fdb474c641687fb448b38085ec0887b67571dac1446d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df2a29e03c1d9e8494f3fdb474c641687fb448b38085ec0887b67571dac1446d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df2a29e03c1d9e8494f3fdb474c641687fb448b38085ec0887b67571dac1446d", kill_on_drop: false }` [INFO] [stdout] df2a29e03c1d9e8494f3fdb474c641687fb448b38085ec0887b67571dac1446d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e14d0cb9ea3d9dafb20b9f9ecc280bc66de76373fe204d2a27abe85ebdfb9021 [INFO] running `Command { std: "docker" "start" "-a" "e14d0cb9ea3d9dafb20b9f9ecc280bc66de76373fe204d2a27abe85ebdfb9021", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking vecvec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn slice(&self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 50 | -> Option> { [INFO] [stdout] | ----------------- the lifetime gets resolved as `'_` [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] 50 | -> 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:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn slice_mut(&mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 59 | -> Option> { [INFO] [stdout] | --------------- the lifetime gets resolved as `'_` [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] 59 | -> 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:63:22 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn hsplit_at(&self, y: usize) -> Option<(ImmutableSlice, ImmutableSlice)> { [INFO] [stdout] | ^^^^^ ----------------- ----------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 63 | pub fn hsplit_at(&self, y: usize) -> Option<(ImmutableSlice<'_, T>, ImmutableSlice<'_, 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:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn vsplit_at(&self, x: usize) -> Option<(ImmutableSlice, ImmutableSlice)> { [INFO] [stdout] | ^^^^^ ----------------- ----------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 67 | pub fn vsplit_at(&self, x: usize) -> Option<(ImmutableSlice<'_, T>, ImmutableSlice<'_, 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:71:26 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn hsplit_at_mut(&mut self, y: usize) -> Option<(MutableSlice, MutableSlice)> { [INFO] [stdout] | ^^^^^^^^^ --------------- --------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 71 | pub fn hsplit_at_mut(&mut self, y: usize) -> Option<(MutableSlice<'_, T>, MutableSlice<'_, 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:75:26 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn vsplit_at_mut(&mut self, x: usize) -> Option<(MutableSlice, MutableSlice)> { [INFO] [stdout] | ^^^^^^^^^ --------------- --------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 75 | pub fn vsplit_at_mut(&mut self, x: usize) -> Option<(MutableSlice<'_, T>, MutableSlice<'_, 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:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn as_slice(&self) -> ImmutableSlice { [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] 79 | pub fn as_slice(&self) -> ImmutableSlice<'_, 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:90:25 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn as_mut_slice(&self) -> MutableSlice { [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] 90 | pub fn as_mut_slice(&self) -> MutableSlice<'_, 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:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn slice(&self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 50 | -> Option> { [INFO] [stdout] | ----------------- the lifetime gets resolved as `'_` [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] 50 | -> 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:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn slice_mut(&mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 59 | -> Option> { [INFO] [stdout] | --------------- the lifetime gets resolved as `'_` [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] 59 | -> 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:63:22 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn hsplit_at(&self, y: usize) -> Option<(ImmutableSlice, ImmutableSlice)> { [INFO] [stdout] | ^^^^^ ----------------- ----------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 63 | pub fn hsplit_at(&self, y: usize) -> Option<(ImmutableSlice<'_, T>, ImmutableSlice<'_, 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:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn vsplit_at(&self, x: usize) -> Option<(ImmutableSlice, ImmutableSlice)> { [INFO] [stdout] | ^^^^^ ----------------- ----------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 67 | pub fn vsplit_at(&self, x: usize) -> Option<(ImmutableSlice<'_, T>, ImmutableSlice<'_, 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:71:26 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn hsplit_at_mut(&mut self, y: usize) -> Option<(MutableSlice, MutableSlice)> { [INFO] [stdout] | ^^^^^^^^^ --------------- --------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 71 | pub fn hsplit_at_mut(&mut self, y: usize) -> Option<(MutableSlice<'_, T>, MutableSlice<'_, 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:75:26 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn vsplit_at_mut(&mut self, x: usize) -> Option<(MutableSlice, MutableSlice)> { [INFO] [stdout] | ^^^^^^^^^ --------------- --------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 75 | pub fn vsplit_at_mut(&mut self, x: usize) -> Option<(MutableSlice<'_, T>, MutableSlice<'_, 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:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn as_slice(&self) -> ImmutableSlice { [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] 79 | pub fn as_slice(&self) -> ImmutableSlice<'_, 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:90:25 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn as_mut_slice(&self) -> MutableSlice { [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] 90 | pub fn as_mut_slice(&self) -> MutableSlice<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "e14d0cb9ea3d9dafb20b9f9ecc280bc66de76373fe204d2a27abe85ebdfb9021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e14d0cb9ea3d9dafb20b9f9ecc280bc66de76373fe204d2a27abe85ebdfb9021", kill_on_drop: false }` [INFO] [stdout] e14d0cb9ea3d9dafb20b9f9ecc280bc66de76373fe204d2a27abe85ebdfb9021