[INFO] fetching crate jungle 0.1.1... [INFO] checking jungle-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate jungle 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate jungle 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.5.1 (latest: v1.1.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded generic-array v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1837a64db487a30242ad899cb57cb852b65dfa41b86fdaf394f73cbe846951f8 [INFO] running `Command { std: "docker" "start" "-a" "1837a64db487a30242ad899cb57cb852b65dfa41b86fdaf394f73cbe846951f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1837a64db487a30242ad899cb57cb852b65dfa41b86fdaf394f73cbe846951f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1837a64db487a30242ad899cb57cb852b65dfa41b86fdaf394f73cbe846951f8", kill_on_drop: false }` [INFO] [stdout] 1837a64db487a30242ad899cb57cb852b65dfa41b86fdaf394f73cbe846951f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46d44fdaa81dadefa47aaaa292a4ef9cb87ce0e8878fdb572af0c212b6d4e7a3 [INFO] running `Command { std: "docker" "start" "-a" "46d44fdaa81dadefa47aaaa292a4ef9cb87ce0e8878fdb572af0c212b6d4e7a3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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: fields `value`, `parent`, and `children` are never read [INFO] [stdout] --> src/tree.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 25 | struct Node>> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 26 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 27 | parent: NodePointer, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 28 | children: GenericArray,N> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/tree.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 31 | / impl Node [INFO] [stdout] 32 | | where N: ArrayLength> { [INFO] [stdout] | |___________________________________________- associated function in this implementation [INFO] [stdout] 33 | fn new(value: T) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tree` is never constructed [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 items `new`, `parent`, and `child` are never used [INFO] [stdout] --> src/tree.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 44 | / impl Tree [INFO] [stdout] 45 | | where N: ArrayLength> { [INFO] [stdout] | |___________________________________________- associated items in this implementation [INFO] [stdout] 46 | [INFO] [stdout] 47 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn parent(&mut self) -> bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn child(&mut self, child: usize) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value`, `parent`, and `children` are never read [INFO] [stdout] --> src/tree.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 25 | struct Node>> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 26 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 27 | parent: NodePointer, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 28 | children: GenericArray,N> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/tree.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 31 | / impl Node [INFO] [stdout] 32 | | where N: ArrayLength> { [INFO] [stdout] | |___________________________________________- associated function in this implementation [INFO] [stdout] 33 | fn new(value: T) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tree` is never constructed [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 items `new`, `parent`, and `child` are never used [INFO] [stdout] --> src/tree.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 44 | / impl Tree [INFO] [stdout] 45 | | where N: ArrayLength> { [INFO] [stdout] | |___________________________________________- associated items in this implementation [INFO] [stdout] 46 | [INFO] [stdout] 47 | fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn parent(&mut self) -> bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn child(&mut self, child: usize) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "46d44fdaa81dadefa47aaaa292a4ef9cb87ce0e8878fdb572af0c212b6d4e7a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46d44fdaa81dadefa47aaaa292a4ef9cb87ce0e8878fdb572af0c212b6d4e7a3", kill_on_drop: false }` [INFO] [stdout] 46d44fdaa81dadefa47aaaa292a4ef9cb87ce0e8878fdb572af0c212b6d4e7a3