[INFO] fetching crate skip-list 0.1.3... [INFO] testing skip-list-0.1.3 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate skip-list 0.1.3 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate skip-list 0.1.3 [INFO] finished tweaking crates.io crate skip-list 0.1.3 [INFO] tweaked toml for crates.io crate skip-list 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate skip-list 0.1.3 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 14 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79cd8d5ddaa48581f5faf59d5f3f890097d26db015a18274c1f41df41b1d54f0 [INFO] running `Command { std: "docker" "start" "-a" "79cd8d5ddaa48581f5faf59d5f3f890097d26db015a18274c1f41df41b1d54f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79cd8d5ddaa48581f5faf59d5f3f890097d26db015a18274c1f41df41b1d54f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79cd8d5ddaa48581f5faf59d5f3f890097d26db015a18274c1f41df41b1d54f0", kill_on_drop: false }` [INFO] [stdout] 79cd8d5ddaa48581f5faf59d5f3f890097d26db015a18274c1f41df41b1d54f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbbc4f08ce7a501d5bb45954e51551f89042f8ebc5241a098a408b2f86e20f2f [INFO] running `Command { std: "docker" "start" "-a" "fbbc4f08ce7a501d5bb45954e51551f89042f8ebc5241a098a408b2f86e20f2f", kill_on_drop: false }` [INFO] [stderr] Compiling skip-list v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:498:13 [INFO] [stdout] | [INFO] [stdout] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "fbbc4f08ce7a501d5bb45954e51551f89042f8ebc5241a098a408b2f86e20f2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbbc4f08ce7a501d5bb45954e51551f89042f8ebc5241a098a408b2f86e20f2f", kill_on_drop: false }` [INFO] [stdout] fbbc4f08ce7a501d5bb45954e51551f89042f8ebc5241a098a408b2f86e20f2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb54bfbc8036492560a6bb3954684cd4cc8ce0b26493e70f8fd84b7689d3d4da [INFO] running `Command { std: "docker" "start" "-a" "bb54bfbc8036492560a6bb3954684cd4cc8ce0b26493e70f8fd84b7689d3d4da", kill_on_drop: false }` [INFO] [stderr] Compiling skip-list v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:498:13 [INFO] [stdout] | [INFO] [stdout] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:498:13 [INFO] [stdout] | [INFO] [stdout] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "bb54bfbc8036492560a6bb3954684cd4cc8ce0b26493e70f8fd84b7689d3d4da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb54bfbc8036492560a6bb3954684cd4cc8ce0b26493e70f8fd84b7689d3d4da", kill_on_drop: false }` [INFO] [stdout] bb54bfbc8036492560a6bb3954684cd4cc8ce0b26493e70f8fd84b7689d3d4da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 50a429f4fc31ee75c366adc27c42675afe1ffcce11ba277d8e3ac0d440756e6e [INFO] running `Command { std: "docker" "start" "-a" "50a429f4fc31ee75c366adc27c42675afe1ffcce11ba277d8e3ac0d440756e6e", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:498:13 [INFO] [stdout] running 2 tests [INFO] [stderr] | [INFO] [stdout] test tests::test_of_skip_list ... ok [INFO] [stderr] 498 | Box::from_raw(self.head.as_ptr()); [INFO] [stdout] test tests::test_sl ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] running 9 tests [INFO] [stderr] | [INFO] [stderr] 498 | let _ = Box::from_raw(self.head.as_ptr()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `skip-list` (lib) generated 1 warning [INFO] [stderr] warning: `skip-list` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skip_list-dfa0068c4c1e205f) [INFO] [stderr] Doc-tests skip_list [INFO] [stdout] test src/lib.rs - SkipList::default (line 176) ... ok [INFO] [stdout] test src/lib.rs - SkipList::new (line 198) ... ok [INFO] [stdout] test src/lib.rs - SkipList::delete (line 312) ... ok [INFO] [stdout] test src/lib.rs - SkipList::iter (line 367) ... ok [INFO] [stdout] test src/lib.rs - SkipList::iter_mut (line 403) ... ok [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] test src/lib.rs - SkipList::get (line 218) ... ok [INFO] [stdout] test src/lib.rs - SkipList::into_iter (line 451) ... ok [INFO] [stdout] test src/lib.rs - SkipList::insert (line 252) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "50a429f4fc31ee75c366adc27c42675afe1ffcce11ba277d8e3ac0d440756e6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50a429f4fc31ee75c366adc27c42675afe1ffcce11ba277d8e3ac0d440756e6e", kill_on_drop: false }` [INFO] [stdout] 50a429f4fc31ee75c366adc27c42675afe1ffcce11ba277d8e3ac0d440756e6e