[INFO] cloning repository https://github.com/europeanplaice/perm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/europeanplaice/perm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuropeanplaice%2Fperm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuropeanplaice%2Fperm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f0266656567d3be3e61deb1786a95643397173c9 [INFO] checking europeanplaice/perm against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuropeanplaice%2Fperm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/europeanplaice/perm [INFO] finished tweaking git repo https://github.com/europeanplaice/perm [INFO] tweaked toml for git repo https://github.com/europeanplaice/perm written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/europeanplaice/perm on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/europeanplaice/perm 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97f6e8aceeb6d03419df1063228ee229b65d1b1886b495c3c75467869f5d155e [INFO] running `Command { std: "docker" "start" "-a" "97f6e8aceeb6d03419df1063228ee229b65d1b1886b495c3c75467869f5d155e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97f6e8aceeb6d03419df1063228ee229b65d1b1886b495c3c75467869f5d155e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97f6e8aceeb6d03419df1063228ee229b65d1b1886b495c3c75467869f5d155e", kill_on_drop: false }` [INFO] [stdout] 97f6e8aceeb6d03419df1063228ee229b65d1b1886b495c3c75467869f5d155e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f37df5f918dfecf92c162cd4a02205c4196d06ff4334c4fcb10d4208657dae5 [INFO] running `Command { std: "docker" "start" "-a" "1f37df5f918dfecf92c162cd4a02205c4196d06ff4334c4fcb10d4208657dae5", kill_on_drop: false }` [INFO] [stderr] Checking perm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/main.rs:35:38 [INFO] [stdout] | [INFO] [stdout] 35 | NodeOrLeaves::Leaf(l) => (l.brother = Some(Box::new(brother))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 35 - NodeOrLeaves::Leaf(l) => (l.brother = Some(Box::new(brother))), [INFO] [stdout] 35 + NodeOrLeaves::Leaf(l) => l.brother = Some(Box::new(brother)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `process_terminal` [INFO] [stdout] --> src/main.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | macro_rules! process_terminal{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/main.rs:35:38 [INFO] [stdout] | [INFO] [stdout] 35 | NodeOrLeaves::Leaf(l) => (l.brother = Some(Box::new(brother))), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 35 - NodeOrLeaves::Leaf(l) => (l.brother = Some(Box::new(brother))), [INFO] [stdout] 35 + NodeOrLeaves::Leaf(l) => l.brother = Some(Box::new(brother)), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `process_terminal` [INFO] [stdout] --> src/main.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | macro_rules! process_terminal{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `temp2` is assigned to, but never used [INFO] [stdout] --> src/main.rs:27:21 [INFO] [stdout] | [INFO] [stdout] 27 | let temp2; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_temp2` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp2` is never read [INFO] [stdout] --> src/main.rs:31:33 [INFO] [stdout] | [INFO] [stdout] 31 | Some(_) => {temp2 = temp.brother.clone()} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let expression: Rc> = Rc::new(RefCell::new(Node {children: vec![], brother: None})); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digit` [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let digit: Rc> = Rc::new(RefCell::new(Node {children: vec![], brother: None})); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_digit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `literal` is never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Leaf { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 10 | brother: Option>, [INFO] [stdout] 11 | literal: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Leaf` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Node` is never constructed [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum NodeOrLeaves { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 19 | Node(Rc>), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NodeOrLeaves` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `temp2` is assigned to, but never used [INFO] [stdout] --> src/main.rs:27:21 [INFO] [stdout] | [INFO] [stdout] 27 | let temp2; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_temp2` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp2` is never read [INFO] [stdout] --> src/main.rs:31:33 [INFO] [stdout] | [INFO] [stdout] 31 | Some(_) => {temp2 = temp.brother.clone()} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expression` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let expression: Rc> = Rc::new(RefCell::new(Node {children: vec![], brother: None})); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digit` [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let digit: Rc> = Rc::new(RefCell::new(Node {children: vec![], brother: None})); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_digit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `literal` is never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Leaf { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 10 | brother: Option>, [INFO] [stdout] 11 | literal: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Leaf` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Node` is never constructed [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum NodeOrLeaves { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 19 | Node(Rc>), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NodeOrLeaves` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "1f37df5f918dfecf92c162cd4a02205c4196d06ff4334c4fcb10d4208657dae5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f37df5f918dfecf92c162cd4a02205c4196d06ff4334c4fcb10d4208657dae5", kill_on_drop: false }` [INFO] [stdout] 1f37df5f918dfecf92c162cd4a02205c4196d06ff4334c4fcb10d4208657dae5