[INFO] cloning repository https://github.com/matsueushi/pfds-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matsueushi/pfds-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsueushi%2Fpfds-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsueushi%2Fpfds-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e09e80293a2bb4d2c7e20365d6c6cd34465284c5 [INFO] checking matsueushi/pfds-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsueushi%2Fpfds-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matsueushi/pfds-rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matsueushi/pfds-rust [INFO] finished tweaking git repo https://github.com/matsueushi/pfds-rust [INFO] tweaked toml for git repo https://github.com/matsueushi/pfds-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/matsueushi/pfds-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 849eef144b63c86a056573c964f973eeb953053ac47e2a88c63fb49802cbe897 [INFO] running `Command { std: "docker" "start" "-a" "849eef144b63c86a056573c964f973eeb953053ac47e2a88c63fb49802cbe897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "849eef144b63c86a056573c964f973eeb953053ac47e2a88c63fb49802cbe897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "849eef144b63c86a056573c964f973eeb953053ac47e2a88c63fb49802cbe897", kill_on_drop: false }` [INFO] [stdout] 849eef144b63c86a056573c964f973eeb953053ac47e2a88c63fb49802cbe897 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 149689fe512a3ba56b70d732dad91949a9a0fa96568044c72f4b724def8fd9f2 [INFO] running `Command { std: "docker" "start" "-a" "149689fe512a3ba56b70d732dad91949a9a0fa96568044c72f4b724def8fd9f2", kill_on_drop: false }` [INFO] [stderr] Checking pfds v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Heap` is never used [INFO] [stdout] --> src/heap.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Heap: Sized { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `rank` and `singleton` are never used [INFO] [stdout] --> src/heap.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl LeftistHeap { [INFO] [stdout] | ----------------------------- associated items in this implementation [INFO] [stdout] 30 | fn rank(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn singleton(elt: T) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Stack` is never used [INFO] [stdout] --> src/stack.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait Stack: Sized { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `StackNode` is never used [INFO] [stdout] --> src/stack.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum StackNode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomStack` is never constructed [INFO] [stdout] --> src/stack.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct CustomStack { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedListStack` is never constructed [INFO] [stdout] --> src/stack.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | struct LinkedListStack { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Set` is never used [INFO] [stdout] --> src/tree.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait Set { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `singleton` is never used [INFO] [stdout] --> src/tree.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 23 | impl Tree { [INFO] [stdout] | ---------------------- associated function in this implementation [INFO] [stdout] 24 | fn singleton(elt: T) -> Tree { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FiniteMap` is never used [INFO] [stdout] --> src/treemap.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait FiniteMap { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `TreeMap` is never used [INFO] [stdout] --> src/treemap.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | type TreeMap = super::tree::Tree<(S, T)>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "149689fe512a3ba56b70d732dad91949a9a0fa96568044c72f4b724def8fd9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "149689fe512a3ba56b70d732dad91949a9a0fa96568044c72f4b724def8fd9f2", kill_on_drop: false }` [INFO] [stdout] 149689fe512a3ba56b70d732dad91949a9a0fa96568044c72f4b724def8fd9f2