[INFO] cloning repository https://github.com/LeoAlex0/luogu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeoAlex0/luogu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoAlex0%2Fluogu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoAlex0%2Fluogu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79d6b58a8f9f6b43442893fbb53eb18d4c7e764f
[INFO] testing LeoAlex0/luogu against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoAlex0%2Fluogu" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeoAlex0/luogu on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeoAlex0/luogu
[INFO] finished tweaking git repo https://github.com/LeoAlex0/luogu
[INFO] tweaked toml for git repo https://github.com/LeoAlex0/luogu written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/LeoAlex0/luogu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2bf434e43535405c10dd4cf69c39cc8d6895dacb19f70493fd4648c51091a20
[INFO] running `Command { std: "docker" "start" "-a" "c2bf434e43535405c10dd4cf69c39cc8d6895dacb19f70493fd4648c51091a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2bf434e43535405c10dd4cf69c39cc8d6895dacb19f70493fd4648c51091a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2bf434e43535405c10dd4cf69c39cc8d6895dacb19f70493fd4648c51091a20", kill_on_drop: false }`
[INFO] [stdout] c2bf434e43535405c10dd4cf69c39cc8d6895dacb19f70493fd4648c51091a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114408fd9ee1cd1e74a4a1e0d96aa0b4835fcf0aaa04322a56be3928dd77b74b
[INFO] running `Command { std: "docker" "start" "-a" "114408fd9ee1cd1e74a4a1e0d96aa0b4835fcf0aaa04322a56be3928dd77b74b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling luogu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `One`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     One([A; 1]),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Two`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Two([A; 2]),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Three`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Three([A; 3]),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Four`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Four([A; 4]),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leaf`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Leaf(<R as Ref<A>>::Reffed),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node2`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     Node2 {
[INFO] [stdout] 48 | |         measure: A::To,
[INFO] [stdout] 49 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 50 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 51 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node3`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     Node3 {
[INFO] [stdout] 53 | |         measure: A::To,
[INFO] [stdout] 54 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 55 | |         middle: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 56 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 57 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unit`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Unit(<R as Ref<A>>::Reffed),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deep`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     Deep {
[INFO] [stdout] 69 | |         measure: A::To,
[INFO] [stdout] 70 | |         prefix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stdout] 71 | |         deeper: <R as Ref<FingerTree<R, A>>>::Reffed,
[INFO] [stdout] 72 | |         suffix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stdout] 73 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.81s
[INFO] running `Command { std: "docker" "inspect" "114408fd9ee1cd1e74a4a1e0d96aa0b4835fcf0aaa04322a56be3928dd77b74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114408fd9ee1cd1e74a4a1e0d96aa0b4835fcf0aaa04322a56be3928dd77b74b", kill_on_drop: false }`
[INFO] [stdout] 114408fd9ee1cd1e74a4a1e0d96aa0b4835fcf0aaa04322a56be3928dd77b74b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99aa41566b6b22cf70612a3e519c1d7cfe1d50caec6017ea4a8a6b0806a3c9ac
[INFO] running `Command { std: "docker" "start" "-a" "99aa41566b6b22cf70612a3e519c1d7cfe1d50caec6017ea4a8a6b0806a3c9ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: variant is never constructed: `One`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     One([A; 1]),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Two`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Two([A; 2]),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Three`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Three([A; 3]),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Four`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Four([A; 4]),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leaf`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Leaf(<R as Ref<A>>::Reffed),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node2`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     Node2 {
[INFO] [stdout] 48 | |         measure: A::To,
[INFO] [stdout] 49 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 50 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 51 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node3`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     Node3 {
[INFO] [stdout] 53 | |         measure: A::To,
[INFO] [stdout] 54 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 55 | |         middle: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 56 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 57 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unit`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Unit(<R as Ref<A>>::Reffed),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deep`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     Deep {
[INFO] [stdout] 69 | |         measure: A::To,
[INFO] [stdout] 70 | |         prefix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stdout] 71 | |         deeper: <R as Ref<FingerTree<R, A>>>::Reffed,
[INFO] [stdout] 72 | |         suffix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stdout] 73 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling luogu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `One`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     One([A; 1]),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Two`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Two([A; 2]),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Three`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Three([A; 3]),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Four`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Four([A; 4]),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leaf`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Leaf(<R as Ref<A>>::Reffed),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node2`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     Node2 {
[INFO] [stdout] 48 | |         measure: A::To,
[INFO] [stdout] 49 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 50 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 51 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node3`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     Node3 {
[INFO] [stdout] 53 | |         measure: A::To,
[INFO] [stdout] 54 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 55 | |         middle: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 56 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stdout] 57 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unit`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Unit(<R as Ref<A>>::Reffed),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Deep`
[INFO] [stdout]   --> src/data_structure/finger_tree.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     Deep {
[INFO] [stdout] 69 | |         measure: A::To,
[INFO] [stdout] 70 | |         prefix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stdout] 71 | |         deeper: <R as Ref<FingerTree<R, A>>>::Reffed,
[INFO] [stdout] 72 | |         suffix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stdout] 73 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "99aa41566b6b22cf70612a3e519c1d7cfe1d50caec6017ea4a8a6b0806a3c9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99aa41566b6b22cf70612a3e519c1d7cfe1d50caec6017ea4a8a6b0806a3c9ac", kill_on_drop: false }`
[INFO] [stdout] 99aa41566b6b22cf70612a3e519c1d7cfe1d50caec6017ea4a8a6b0806a3c9ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a00d831cf480c80ca69a07317af9f9e2cf6072de211dd0a5b7fca68c4113a77a
[INFO] running `Command { std: "docker" "start" "-a" "a00d831cf480c80ca69a07317af9f9e2cf6072de211dd0a5b7fca68c4113a77a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `One`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     One([A; 1]),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Two`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Two([A; 2]),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Three`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Three([A; 3]),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Four`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Four([A; 4]),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leaf`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     Leaf(<R as Ref<A>>::Reffed),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Node2`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     Node2 {
[INFO] [stderr] 48 | |         measure: A::To,
[INFO] [stderr] 49 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stderr] 50 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stderr] 51 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Node3`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     Node3 {
[INFO] [stderr] 53 | |         measure: A::To,
[INFO] [stderr] 54 | |         left: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stderr] 55 | |         middle: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stderr] 56 | |         right: <R as Ref<Node<R, A>>>::Reffed,
[INFO] [stderr] 57 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unit`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Unit(<R as Ref<A>>::Reffed),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Deep`
[INFO] [stderr]   --> src/data_structure/finger_tree.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | /     Deep {
[INFO] [stderr] 69 | |         measure: A::To,
[INFO] [stderr] 70 | |         prefix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stderr] 71 | |         deeper: <R as Ref<FingerTree<R, A>>>::Reffed,
[INFO] [stderr] 72 | |         suffix: Digit<<R as Ref<Node<R, A>>>::Reffed>,
[INFO] [stderr] 73 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: `luogu` (lib) generated 10 warnings
[INFO] [stderr] warning: `luogu` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luogu-c14ea172ad02d268)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/p3372-349cb8a37621fc6f)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/p3373-0dc3dde7fe837a7e)
[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] [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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/p5502-79155132fedae930)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/p7357_wip-84dc9eba38675e5b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests luogu
[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] [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" "a00d831cf480c80ca69a07317af9f9e2cf6072de211dd0a5b7fca68c4113a77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00d831cf480c80ca69a07317af9f9e2cf6072de211dd0a5b7fca68c4113a77a", kill_on_drop: false }`
[INFO] [stdout] a00d831cf480c80ca69a07317af9f9e2cf6072de211dd0a5b7fca68c4113a77a