[INFO] fetching crate copy_arena 0.1.1... [INFO] testing copy_arena-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate copy_arena 0.1.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate copy_arena 0.1.1 [INFO] finished tweaking crates.io crate copy_arena 0.1.1 [INFO] tweaked toml for crates.io crate copy_arena 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate copy_arena 0.1.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70a0881fda5a3ffb41b7bbdbeafebf9dfc63438dc89a058fe1bef88847806931 [INFO] running `Command { std: "docker" "start" "-a" "70a0881fda5a3ffb41b7bbdbeafebf9dfc63438dc89a058fe1bef88847806931", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70a0881fda5a3ffb41b7bbdbeafebf9dfc63438dc89a058fe1bef88847806931", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70a0881fda5a3ffb41b7bbdbeafebf9dfc63438dc89a058fe1bef88847806931", kill_on_drop: false }` [INFO] [stdout] 70a0881fda5a3ffb41b7bbdbeafebf9dfc63438dc89a058fe1bef88847806931 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9526eb67d97f94a3894fd183d5c73f1a55dcc8aecefc2a3a5e870eef68ccac5 [INFO] running `Command { std: "docker" "start" "-a" "f9526eb67d97f94a3894fd183d5c73f1a55dcc8aecefc2a3a5e870eef68ccac5", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling copy_arena v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:180:63 [INFO] [stdout] | [INFO] [stdout] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated function [INFO] [stdout] | [INFO] [stdout] 180 - let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] 180 + let memory = self.alloc_raw(mem::size_of::(), mem::align_of::()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:196:54 [INFO] [stdout] | [INFO] [stdout] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated function [INFO] [stdout] | [INFO] [stdout] 196 - let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] 196 + let memory = self.alloc_raw(byte_count, mem::align_of::()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:123:22 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn allocator(&mut self) -> Allocator { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 123 | pub fn allocator(&mut self) -> Allocator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "f9526eb67d97f94a3894fd183d5c73f1a55dcc8aecefc2a3a5e870eef68ccac5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9526eb67d97f94a3894fd183d5c73f1a55dcc8aecefc2a3a5e870eef68ccac5", kill_on_drop: false }` [INFO] [stdout] f9526eb67d97f94a3894fd183d5c73f1a55dcc8aecefc2a3a5e870eef68ccac5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50590f83d442a0a4b3a4c2ff89f34ef1c8f88b89d6a375a4b74349bc1324565a [INFO] running `Command { std: "docker" "start" "-a" "50590f83d442a0a4b3a4c2ff89f34ef1c8f88b89d6a375a4b74349bc1324565a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:180:63 [INFO] [stdout] | [INFO] [stdout] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated function [INFO] [stdout] | [INFO] [stdout] 180 - let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] 180 + let memory = self.alloc_raw(mem::size_of::(), mem::align_of::()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:196:54 [INFO] [stdout] | [INFO] [stdout] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated function [INFO] [stdout] | [INFO] [stdout] 196 - let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] 196 + let memory = self.alloc_raw(byte_count, mem::align_of::()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:123:22 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn allocator(&mut self) -> Allocator { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 123 | pub fn allocator(&mut self) -> Allocator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling copy_arena v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:180:63 [INFO] [stdout] | [INFO] [stdout] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated function [INFO] [stdout] | [INFO] [stdout] 180 - let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stdout] 180 + let memory = self.alloc_raw(mem::size_of::(), mem::align_of::()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stdout] --> src/lib.rs:196:54 [INFO] [stdout] | [INFO] [stdout] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated function [INFO] [stdout] | [INFO] [stdout] 196 - let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stdout] 196 + let memory = self.alloc_raw(byte_count, mem::align_of::()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:215:13 [INFO] [stdout] | [INFO] [stdout] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:123:22 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn allocator(&mut self) -> Allocator { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 123 | pub fn allocator(&mut self) -> Allocator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "50590f83d442a0a4b3a4c2ff89f34ef1c8f88b89d6a375a4b74349bc1324565a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50590f83d442a0a4b3a4c2ff89f34ef1c8f88b89d6a375a4b74349bc1324565a", kill_on_drop: false }` [INFO] [stdout] 50590f83d442a0a4b3a4c2ff89f34ef1c8f88b89d6a375a4b74349bc1324565a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0b3b04f6bba7fcb1241b022cc2b06f7b3bd799d3764d9fddea953d8673624a08 [INFO] running `Command { std: "docker" "start" "-a" "0b3b04f6bba7fcb1241b022cc2b06f7b3bd799d3764d9fddea953d8673624a08", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stderr] --> src/lib.rs:180:63 [INFO] [stderr] | [INFO] [stderr] 180 | let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] help: replace the use of the deprecated function [INFO] [stderr] | [INFO] [stderr] 180 - let memory = self.alloc_raw(mem::size_of::(), mem::min_align_of::()); [INFO] [stderr] 180 + let memory = self.alloc_raw(mem::size_of::(), mem::align_of::()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::min_align_of`: use `align_of` instead [INFO] [stderr] --> src/lib.rs:196:54 [INFO] [stderr] | [INFO] [stderr] 196 | let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: replace the use of the deprecated function [INFO] [stderr] | [INFO] [stderr] 196 - let memory = self.alloc_raw(byte_count, mem::min_align_of::()); [INFO] [stderr] 196 + let memory = self.alloc_raw(byte_count, mem::align_of::()); [INFO] [stderr] | [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 8 tests [INFO] [stderr] --> src/lib.rs:203:13 [INFO] [stdout] test many_u8s ... ok [INFO] [stderr] | [INFO] [stdout] test surprisingly_large ... ok [INFO] [stderr] 203 | let mut slice = self.alloc_slice_raw(elems.len()); [INFO] [stdout] test zero_capacity ... ok [INFO] [stderr] | ----^^^^^ [INFO] [stdout] test barely_too_little_capacity ... ok [INFO] [stderr] | | [INFO] [stdout] test just_enough_capacity ... ok [INFO] [stderr] | help: remove this `mut` [INFO] [stdout] test construct_simple ... ok [INFO] [stderr] | [INFO] [stdout] test construct_slices ... ok [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] test zero_size ... ok [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stderr] --> src/lib.rs:215:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] 215 | let mut slice = self.alloc_slice_raw(len); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:123:22 [INFO] [stderr] | [INFO] [stderr] 123 | pub fn allocator(&mut self) -> Allocator { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 123 | pub fn allocator(&mut self) -> Allocator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `copy_arena` (lib) generated 5 warnings (run `cargo fix --lib -p copy_arena` to apply 5 suggestions) [INFO] [stderr] warning: `copy_arena` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/copy_arena-e547b9fe8523f29e) [INFO] [stderr] Doc-tests copy_arena [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 14) ... ok [INFO] [stdout] test src/lib.rs - (line 30) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0b3b04f6bba7fcb1241b022cc2b06f7b3bd799d3764d9fddea953d8673624a08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b3b04f6bba7fcb1241b022cc2b06f7b3bd799d3764d9fddea953d8673624a08", kill_on_drop: false }` [INFO] [stdout] 0b3b04f6bba7fcb1241b022cc2b06f7b3bd799d3764d9fddea953d8673624a08