[INFO] fetching crate dogear 0.4.0...
[INFO] checking dogear-0.4.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate dogear 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dogear 0.4.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dogear 0.4.0
[INFO] finished tweaking crates.io crate dogear 0.4.0
[INFO] tweaked toml for crates.io crate dogear 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78a59439a99df446e5bef5b50a1900c35d87006ac8fa0e3920d7ab19bf221a7b
[INFO] running `Command { std: "docker" "start" "-a" "78a59439a99df446e5bef5b50a1900c35d87006ac8fa0e3920d7ab19bf221a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a59439a99df446e5bef5b50a1900c35d87006ac8fa0e3920d7ab19bf221a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a59439a99df446e5bef5b50a1900c35d87006ac8fa0e3920d7ab19bf221a7b", kill_on_drop: false }`
[INFO] [stdout] 78a59439a99df446e5bef5b50a1900c35d87006ac8fa0e3920d7ab19bf221a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05c837d0114de9678ef3e37b59a18dcae80d03f2812973d8c4eb6236a2f5e5d
[INFO] running `Command { std: "docker" "start" "-a" "e05c837d0114de9678ef3e37b59a18dcae80d03f2812973d8c4eb6236a2f5e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking smallbitvec v2.5.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking dogear v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `merged_guids`
[INFO] [stdout]     --> src/merge.rs:1765:5
[INFO] [stdout]      |
[INFO] [stdout] 1765 |     merged_guids: HashSet<Guid>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]     --> src/merge.rs:1683:13
[INFO] [stdout]      |
[INFO] [stdout] 1683 | /             mem::replace(
[INFO] [stdout] 1684 | |                 &mut self.matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1685 | |                 matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1686 | |             );
[INFO] [stdout]      | |______________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]     --> src/merge.rs:1742:13
[INFO] [stdout]      |
[INFO] [stdout] 1742 | /             mem::replace(
[INFO] [stdout] 1743 | |                 &mut self.matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1744 | |                 matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1745 | |             );
[INFO] [stdout]      | |______________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/tree.rs:488:9
[INFO] [stdout]     |
[INFO] [stdout] 488 |         mem::replace(&mut self.0.entries[self.1].content, Some(content));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/tree.rs:658:17
[INFO] [stdout]     |
[INFO] [stdout] 658 |                 mem::replace(&mut self.parent, BuilderEntryParent::Root);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/tree.rs:686:9
[INFO] [stdout]     |
[INFO] [stdout] 686 |         mem::replace(&mut self.parent, new_parent);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] warning: field is never read: `merged_guids`
[INFO] [stdout]     --> src/merge.rs:1765:5
[INFO] [stdout]      |
[INFO] [stdout] 1765 |     merged_guids: HashSet<Guid>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]     --> src/merge.rs:1683:13
[INFO] [stdout]      |
[INFO] [stdout] 1683 | /             mem::replace(
[INFO] [stdout] 1684 | |                 &mut self.matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1685 | |                 matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1686 | |             );
[INFO] [stdout]      | |______________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]     --> src/merge.rs:1742:13
[INFO] [stdout]      |
[INFO] [stdout] 1742 | /             mem::replace(
[INFO] [stdout] 1743 | |                 &mut self.matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1744 | |                 matching_dupes_by_local_parent_guid,
[INFO] [stdout] 1745 | |             );
[INFO] [stdout]      | |______________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/tree.rs:488:9
[INFO] [stdout]     |
[INFO] [stdout] 488 |         mem::replace(&mut self.0.entries[self.1].content, Some(content));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/tree.rs:658:17
[INFO] [stdout]     |
[INFO] [stdout] 658 |                 mem::replace(&mut self.parent, BuilderEntryParent::Root);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/tree.rs:686:9
[INFO] [stdout]     |
[INFO] [stdout] 686 |         mem::replace(&mut self.parent, new_parent);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "e05c837d0114de9678ef3e37b59a18dcae80d03f2812973d8c4eb6236a2f5e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05c837d0114de9678ef3e37b59a18dcae80d03f2812973d8c4eb6236a2f5e5d", kill_on_drop: false }`
[INFO] [stdout] e05c837d0114de9678ef3e37b59a18dcae80d03f2812973d8c4eb6236a2f5e5d