[INFO] fetching crate biheap 0.5.1... [INFO] testing biheap-0.5.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate biheap 0.5.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate biheap 0.5.1 [INFO] finished tweaking crates.io crate biheap 0.5.1 [INFO] tweaked toml for crates.io crate biheap 0.5.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate biheap 0.5.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f022287916afc1699478b8a980eedc4825b8b3f1d628f5b79a73a9159ecaad3 [INFO] running `Command { std: "docker" "start" "-a" "3f022287916afc1699478b8a980eedc4825b8b3f1d628f5b79a73a9159ecaad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f022287916afc1699478b8a980eedc4825b8b3f1d628f5b79a73a9159ecaad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f022287916afc1699478b8a980eedc4825b8b3f1d628f5b79a73a9159ecaad3", kill_on_drop: false }` [INFO] [stdout] 3f022287916afc1699478b8a980eedc4825b8b3f1d628f5b79a73a9159ecaad3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fa20b4858eaada82ee45d334ed19e0caab0c89e1b10353b809d7bb67774bbaa [INFO] running `Command { std: "docker" "start" "-a" "1fa20b4858eaada82ee45d334ed19e0caab0c89e1b10353b809d7bb67774bbaa", kill_on_drop: false }` [INFO] [stderr] Compiling biheap v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bubble.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let mut this = unsafe { &mut *this.get() }; [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/core/bubble.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | let mut cell = unsafe { &mut *cell_ref.get() }; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/push.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | drop(borrow); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bivec::BiVec>>>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 25 - drop(borrow); [INFO] [stdout] 25 + let _ = borrow; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:89:25 [INFO] [stdout] | [INFO] [stdout] 89 | drop(left_ref); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 89 - drop(left_ref); [INFO] [stdout] 89 + let _ = left_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:93:25 [INFO] [stdout] | [INFO] [stdout] 93 | drop(right_ref); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 93 - drop(right_ref); [INFO] [stdout] 93 + let _ = right_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:99:25 [INFO] [stdout] | [INFO] [stdout] 99 | drop(left_ref); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 99 - drop(left_ref); [INFO] [stdout] 99 + let _ = left_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:103:25 [INFO] [stdout] | [INFO] [stdout] 103 | drop(right_ref); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 103 - drop(right_ref); [INFO] [stdout] 103 + let _ = right_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/peek.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | drop(bivec); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bivec::BiVec>>>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 117 - drop(bivec); [INFO] [stdout] 117 + let _ = bivec; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core/iter.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn iter(&self) -> RefIter { [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] 36 | pub fn iter(&self) -> RefIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "1fa20b4858eaada82ee45d334ed19e0caab0c89e1b10353b809d7bb67774bbaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fa20b4858eaada82ee45d334ed19e0caab0c89e1b10353b809d7bb67774bbaa", kill_on_drop: false }` [INFO] [stdout] 1fa20b4858eaada82ee45d334ed19e0caab0c89e1b10353b809d7bb67774bbaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c51989efcbe8c0ec51af7004fd372c247b409c8d303e18e1808d9a203f09a6b8 [INFO] running `Command { std: "docker" "start" "-a" "c51989efcbe8c0ec51af7004fd372c247b409c8d303e18e1808d9a203f09a6b8", kill_on_drop: false }` [INFO] [stderr] Compiling biheap v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bubble.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let mut this = unsafe { &mut *this.get() }; [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/core/bubble.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | let mut cell = unsafe { &mut *cell_ref.get() }; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/push.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | drop(borrow); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bivec::BiVec>>>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 25 - drop(borrow); [INFO] [stdout] 25 + let _ = borrow; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:89:25 [INFO] [stdout] | [INFO] [stdout] 89 | drop(left_ref); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 89 - drop(left_ref); [INFO] [stdout] 89 + let _ = left_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:93:25 [INFO] [stdout] | [INFO] [stdout] 93 | drop(right_ref); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 93 - drop(right_ref); [INFO] [stdout] 93 + let _ = right_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:99:25 [INFO] [stdout] | [INFO] [stdout] 99 | drop(left_ref); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 99 - drop(left_ref); [INFO] [stdout] 99 + let _ = left_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:103:25 [INFO] [stdout] | [INFO] [stdout] 103 | drop(right_ref); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 103 - drop(right_ref); [INFO] [stdout] 103 + let _ = right_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/peek.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | drop(bivec); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bivec::BiVec>>>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 117 - drop(bivec); [INFO] [stdout] 117 + let _ = bivec; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core/iter.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn iter(&self) -> RefIter { [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] 36 | pub fn iter(&self) -> RefIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bubble.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let mut this = unsafe { &mut *this.get() }; [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/core/bubble.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | let mut cell = unsafe { &mut *cell_ref.get() }; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/push.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | drop(borrow); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bivec::BiVec>>>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 25 - drop(borrow); [INFO] [stdout] 25 + let _ = borrow; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:89:25 [INFO] [stdout] | [INFO] [stdout] 89 | drop(left_ref); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 89 - drop(left_ref); [INFO] [stdout] 89 + let _ = left_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:93:25 [INFO] [stdout] | [INFO] [stdout] 93 | drop(right_ref); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 93 - drop(right_ref); [INFO] [stdout] 93 + let _ = right_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:99:25 [INFO] [stdout] | [INFO] [stdout] 99 | drop(left_ref); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 99 - drop(left_ref); [INFO] [stdout] 99 + let _ = left_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/bubble.rs:103:25 [INFO] [stdout] | [INFO] [stdout] 103 | drop(right_ref); [INFO] [stdout] | ^^^^^---------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut core::Node` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 103 - drop(right_ref); [INFO] [stdout] 103 + let _ = right_ref; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/core/peek.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | drop(bivec); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bivec::BiVec>>>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 117 - drop(bivec); [INFO] [stdout] 117 + let _ = bivec; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core/iter.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn iter(&self) -> RefIter { [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] 36 | pub fn iter(&self) -> RefIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "c51989efcbe8c0ec51af7004fd372c247b409c8d303e18e1808d9a203f09a6b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c51989efcbe8c0ec51af7004fd372c247b409c8d303e18e1808d9a203f09a6b8", kill_on_drop: false }` [INFO] [stdout] c51989efcbe8c0ec51af7004fd372c247b409c8d303e18e1808d9a203f09a6b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8d81f39b3ca8af92999253a6b297eb4ce334ce2d3393052b7c7dd7604fe77897 [INFO] running `Command { std: "docker" "start" "-a" "8d81f39b3ca8af92999253a6b297eb4ce334ce2d3393052b7c7dd7604fe77897", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/core/bubble.rs:124:17 [INFO] [stderr] | [INFO] [stderr] 124 | let mut this = unsafe { &mut *this.get() }; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/core/bubble.rs:125:17 [INFO] [stderr] | [INFO] [stderr] 125 | let mut cell = unsafe { &mut *cell_ref.get() }; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/core/push.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | drop(borrow); [INFO] [stderr] | ^^^^^------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut bivec::BiVec>>>` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 25 - drop(borrow); [INFO] [stderr] 25 + let _ = borrow; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/core/bubble.rs:89:25 [INFO] [stderr] | [INFO] [stderr] 89 | drop(left_ref); [INFO] [stderr] | ^^^^^--------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut core::Node` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 89 - drop(left_ref); [INFO] [stderr] 89 + let _ = left_ref; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/core/bubble.rs:93:25 [INFO] [stderr] | [INFO] [stderr] 93 | drop(right_ref); [INFO] [stderr] | ^^^^^---------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut core::Node` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 93 - drop(right_ref); [INFO] [stderr] 93 + let _ = right_ref; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/core/bubble.rs:99:25 [INFO] [stderr] | [INFO] [stderr] 99 | drop(left_ref); [INFO] [stderr] | ^^^^^--------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut core::Node` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 99 - drop(left_ref); [INFO] [stderr] 99 + let _ = left_ref; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/core/bubble.rs:103:25 [INFO] [stderr] | [INFO] [stderr] 103 | drop(right_ref); [INFO] [stderr] | ^^^^^---------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut core::Node` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 103 - drop(right_ref); [INFO] [stderr] 103 + let _ = right_ref; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/core/peek.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | drop(bivec); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut bivec::BiVec>>>` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 117 - drop(bivec); [INFO] [stderr] 117 + let _ = bivec; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/core/iter.rs:36:17 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn iter(&self) -> RefIter { [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] 36 | pub fn iter(&self) -> RefIter<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `biheap` (lib) generated 9 warnings (run `cargo fix --lib -p biheap` to apply 3 suggestions) [INFO] [stderr] warning: `biheap` (lib test) generated 9 warnings (9 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/biheap-dba54ff561e44e3a) [INFO] [stdout] [INFO] [stdout] running 31 tests [INFO] [stderr] [INFO] [stderr] thread 'tests::iter::test_iter1' (37) panicked at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ptr/mod.rs:527:5: [INFO] [stderr] unsafe precondition(s) violated: ptr::copy_nonoverlapping requires that both pointer arguments are aligned and non-null and the specified memory ranges do not overlap [INFO] [stderr] [INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety. [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5cac1c12f0d2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5cac1c12f0d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5cac1c12f0d2 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5cac1c12f0d2 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5cac1c13fc5f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5cac1c13fc5f - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stderr] 6: 0x5cac1c0fccd3 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5cac1c0fccd3 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5cac1c108942 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5cac1c10d41f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5cac1c10d279 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5cac1c0d047e - as core::ops::function::Fn>::call::h8c698701e444e564 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9 [INFO] [stderr] 12: 0x5cac1c0d047e - test::test_main_with_exit_callback::{{closure}}::ha1c98e7b69c4defb [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:145:21 [INFO] [stderr] 13: 0x5cac1c10da2f - as core::ops::function::Fn>::call::hc4f222a8a57c637a [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9 [INFO] [stderr] 14: 0x5cac1c10da2f - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:842:13 [INFO] [stderr] 15: 0x5cac1c10d856 - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:700:13 [INFO] [stderr] 16: 0x5cac1c108a79 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 17: 0x5cac1c0f136d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stderr] 18: 0x5cac1c1472dd - core::panicking::panic_nounwind_fmt::runtime::hf04708939d60a471 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:122:22 [INFO] [stderr] 19: 0x5cac1c1472dd - core::panicking::panic_nounwind_fmt::hdb74e1b135b40650 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/intrinsics/mod.rs:2439:9 [INFO] [stderr] 20: 0x5cac1c0a2461 - core::ptr::copy_nonoverlapping::precondition_check::h16558a93733b02be [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ub_checks.rs:73:21 [INFO] [stderr] 21: 0x5cac1c09ec50 - core::ptr::copy_nonoverlapping::h59cc27e2fa7d1c49 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ub_checks.rs:78:17 [INFO] [stderr] 22: 0x5cac1c09ec50 - biheap::bivec::extend::>::set_capacity_or_nothing::ha5ce8dba462f14cc [INFO] [stderr] at /opt/rustwide/workdir/src/bivec/extend.rs:19:13 [INFO] [stderr] 23: 0x5cac1c09f2f9 - biheap::bivec::extend::>::reserve::h88cbb1f502ba79bb [INFO] [stderr] at /opt/rustwide/workdir/src/bivec/extend.rs:84:14 [INFO] [stderr] 24: 0x5cac1c09c403 - biheap::bivec::push::>::push::h4f46fddaa39c6a95 [INFO] [stderr] at /opt/rustwide/workdir/src/bivec/push.rs:34:18 [INFO] [stderr] 25: 0x5cac1c08fe49 - biheap::core::push::>::push::h7280e092cca32e35 [INFO] [stderr] at /opt/rustwide/workdir/src/core/push.rs:24:16 [INFO] [stderr] 26: 0x5cac1c0ae646 - biheap::tests::iter::test_iter1::h6d56906324800298 [INFO] [stderr] at /opt/rustwide/workdir/src/tests/iter.rs:6:8 [INFO] [stderr] 27: 0x5cac1c0ae957 - biheap::tests::iter::test_iter1::{{closure}}::h1bc179bb5ab0d44f [INFO] [stderr] at /opt/rustwide/workdir/src/tests/iter.rs:4:16 [INFO] [stderr] 28: 0x5cac1c0abc16 - core::ops::function::FnOnce::call_once::hbfce67db0fd52b54 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 29: 0x5cac1c0d02cb - core::ops::function::FnOnce::call_once::h4f6eabe90cccb47d [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 30: 0x5cac1c0d02cb - test::__rust_begin_short_backtrace::h94208530f2b4c8c7 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:663:18 [INFO] [stderr] 31: 0x5cac1c0e42dd - test::run_test_in_process::{{closure}}::hbdc6a45a78c46404 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:74 [INFO] [stderr] 32: 0x5cac1c0e42dd - as core::ops::function::FnOnce<()>>::call_once::h7f9d8efc7eedd165 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stderr] 33: 0x5cac1c0e42dd - std::panicking::catch_unwind::do_call::he5edbaf126c13b99 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 34: 0x5cac1c0e42dd - std::panicking::catch_unwind::h3d6a8652eceeabce [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 35: 0x5cac1c0e42dd - std::panic::catch_unwind::hbef0c501dd7bb498 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stderr] 36: 0x5cac1c0e42dd - test::run_test_in_process::h400008a46a5006a0 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:27 [INFO] [stderr] 37: 0x5cac1c0e42dd - test::run_test::{{closure}}::h9a131655b31d9427 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:607:43 [INFO] [stderr] 38: 0x5cac1c0bd824 - test::run_test::{{closure}}::he4a7177c216308c0 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:637:41 [INFO] [stderr] 39: 0x5cac1c0bd824 - std::sys::backtrace::__rust_begin_short_backtrace::hd3980e9c55d6c539 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:158:18 [INFO] [stderr] 40: 0x5cac1c0c115a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h18552df67c7aa9b8 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:562:17 [INFO] [stderr] 41: 0x5cac1c0c115a - as core::ops::function::FnOnce<()>>::call_once::h3d7b285234641a08 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stderr] 42: 0x5cac1c0c115a - std::panicking::catch_unwind::do_call::h5a2b5cf36528a5b2 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 43: 0x5cac1c0c115a - std::panicking::catch_unwind::h7e8b531bbda77d20 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 44: 0x5cac1c0c115a - std::panic::catch_unwind::hf9bbb2040b4f1e6c [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stderr] 45: 0x5cac1c0c115a - std::thread::Builder::spawn_unchecked_::{{closure}}::h600f92cf68549574 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:560:30 [INFO] [stderr] 46: 0x5cac1c0c115a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb6607307df8a1847 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 47: 0x5cac1c103e7f - as core::ops::function::FnOnce>::call_once::h6891ad53a5ed6f52 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2085:9 [INFO] [stderr] 48: 0x5cac1c103e7f - std::sys::thread::unix::Thread::new::thread_start::h7f3e77fa86df70af [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/thread/unix.rs:124:17 [INFO] [stderr] 49: 0x750ecda38aa4 - [INFO] [stderr] 50: 0x750ecdac5a64 - clone [INFO] [stderr] 51: 0x0 - [INFO] [stderr] thread caused non-unwinding panic. aborting. [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/biheap-dba54ff561e44e3a` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "8d81f39b3ca8af92999253a6b297eb4ce334ce2d3393052b7c7dd7604fe77897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d81f39b3ca8af92999253a6b297eb4ce334ce2d3393052b7c7dd7604fe77897", kill_on_drop: false }` [INFO] [stdout] 8d81f39b3ca8af92999253a6b297eb4ce334ce2d3393052b7c7dd7604fe77897