[INFO] fetching crate dense-heap 0.1.2... [INFO] testing dense-heap-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate dense-heap 0.1.2 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate dense-heap 0.1.2 [INFO] finished tweaking crates.io crate dense-heap 0.1.2 [INFO] tweaked toml for crates.io crate dense-heap 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate dense-heap 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9ec6d4b3f64a708cef2bf9f6f067f4f8f1a44964b0037bf8ab2b53d36301fd2 [INFO] running `Command { std: "docker" "start" "-a" "c9ec6d4b3f64a708cef2bf9f6f067f4f8f1a44964b0037bf8ab2b53d36301fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9ec6d4b3f64a708cef2bf9f6f067f4f8f1a44964b0037bf8ab2b53d36301fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9ec6d4b3f64a708cef2bf9f6f067f4f8f1a44964b0037bf8ab2b53d36301fd2", kill_on_drop: false }` [INFO] [stdout] c9ec6d4b3f64a708cef2bf9f6f067f4f8f1a44964b0037bf8ab2b53d36301fd2 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfc45e36f352108e8be3504972be71e61ba990b33ae4bc2294a398cd8990a277 [INFO] running `Command { std: "docker" "start" "-a" "bfc45e36f352108e8be3504972be71e61ba990b33ae4bc2294a398cd8990a277", kill_on_drop: false }` [INFO] [stderr] Compiling dense-heap v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dheap.rs:115:30 [INFO] [stdout] | [INFO] [stdout] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox { [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] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dheap.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "bfc45e36f352108e8be3504972be71e61ba990b33ae4bc2294a398cd8990a277", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfc45e36f352108e8be3504972be71e61ba990b33ae4bc2294a398cd8990a277", kill_on_drop: false }` [INFO] [stdout] bfc45e36f352108e8be3504972be71e61ba990b33ae4bc2294a398cd8990a277 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 977052daea0040984725d21cdf96ef26d90445f6763a3237ce1740f57f203053 [INFO] running `Command { std: "docker" "start" "-a" "977052daea0040984725d21cdf96ef26d90445f6763a3237ce1740f57f203053", kill_on_drop: false }` [INFO] [stderr] Compiling dense-heap v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dheap.rs:115:30 [INFO] [stdout] | [INFO] [stdout] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox { [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] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dheap.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dheap.rs:115:30 [INFO] [stdout] | [INFO] [stdout] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox { [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] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dheap.rs:154:21 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "977052daea0040984725d21cdf96ef26d90445f6763a3237ce1740f57f203053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "977052daea0040984725d21cdf96ef26d90445f6763a3237ce1740f57f203053", kill_on_drop: false }` [INFO] [stdout] 977052daea0040984725d21cdf96ef26d90445f6763a3237ce1740f57f203053 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 60c34b3e45ce8c5950fc766b3038a33a99262d0a350cf8060b93bdc8c1e7d9ad [INFO] running `Command { std: "docker" "start" "-a" "60c34b3e45ce8c5950fc766b3038a33a99262d0a350cf8060b93bdc8c1e7d9ad", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] [INFO] [stderr] --> src/dheap.rs:115:30 [INFO] [stdout] running 4 tests [INFO] [stderr] | [INFO] [stderr] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox { [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] 115 | pub unsafe fn unsafe_new(&self, v: T) -> DBox<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/dheap.rs:154:21 [INFO] [stderr] | [INFO] [stderr] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 154 | pub fn safe_new(&self, v: T) -> Result, &'static str> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `dense-heap` (lib) generated 2 warnings (run `cargo fix --lib -p dense-heap` to apply 2 suggestions) [INFO] [stderr] warning: `dense-heap` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dense_heap-dfd1d544072ce937) [INFO] [stdout] test tests::tests::create_dheap ... ok [INFO] [stdout] test tests::tests::multiple_allocations ... ok [INFO] [stdout] test tests::tests::linked_list ... ok [INFO] [stdout] test tests::tests::allocate_and_deallocate ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests dense_heap [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "60c34b3e45ce8c5950fc766b3038a33a99262d0a350cf8060b93bdc8c1e7d9ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60c34b3e45ce8c5950fc766b3038a33a99262d0a350cf8060b93bdc8c1e7d9ad", kill_on_drop: false }` [INFO] [stdout] 60c34b3e45ce8c5950fc766b3038a33a99262d0a350cf8060b93bdc8c1e7d9ad