[INFO] fetching crate jungle 0.1.1... [INFO] checking jungle-0.1.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] extracting crate jungle 0.1.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate jungle 0.1.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate jungle 0.1.1 [INFO] finished tweaking crates.io crate jungle 0.1.1 [INFO] tweaked toml for crates.io crate jungle 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d72963cab9eb0a10adbdf0290cab31c78025d3c54d9042a36b7e30dfc29a0163 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d72963cab9eb0a10adbdf0290cab31c78025d3c54d9042a36b7e30dfc29a0163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d72963cab9eb0a10adbdf0290cab31c78025d3c54d9042a36b7e30dfc29a0163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d72963cab9eb0a10adbdf0290cab31c78025d3c54d9042a36b7e30dfc29a0163", kill_on_drop: false }` [INFO] [stdout] d72963cab9eb0a10adbdf0290cab31c78025d3c54d9042a36b7e30dfc29a0163 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76e024d4969db91165e77b45a8faa928e18224c263e3b6cf5e3fb76f51f623bf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "76e024d4969db91165e77b45a8faa928e18224c263e3b6cf5e3fb76f51f623bf", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking generic-array v0.5.1 [INFO] [stderr] Checking jungle v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/tree.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 26 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/tree.rs:27:2 [INFO] [stdout] | [INFO] [stdout] 27 | parent: NodePointer, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> src/tree.rs:28:2 [INFO] [stdout] | [INFO] [stdout] 28 | children: GenericArray,N> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn new(value: T) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Tree` [INFO] [stdout] --> src/tree.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | struct Tree>>(NodePointer); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parent` [INFO] [stdout] --> src/tree.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | fn parent(&mut self) -> bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `child` [INFO] [stdout] --> src/tree.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | fn child(&mut self, child: usize) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/tree.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 26 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/tree.rs:27:2 [INFO] [stdout] | [INFO] [stdout] 27 | parent: NodePointer, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> src/tree.rs:28:2 [INFO] [stdout] | [INFO] [stdout] 28 | children: GenericArray,N> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn new(value: T) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Tree` [INFO] [stdout] --> src/tree.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | struct Tree>>(NodePointer); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parent` [INFO] [stdout] --> src/tree.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | fn parent(&mut self) -> bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `child` [INFO] [stdout] --> src/tree.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | fn child(&mut self, child: usize) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.05s [INFO] running `Command { std: "docker" "inspect" "76e024d4969db91165e77b45a8faa928e18224c263e3b6cf5e3fb76f51f623bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76e024d4969db91165e77b45a8faa928e18224c263e3b6cf5e3fb76f51f623bf", kill_on_drop: false }` [INFO] [stdout] 76e024d4969db91165e77b45a8faa928e18224c263e3b6cf5e3fb76f51f623bf