[INFO] cloning repository https://github.com/aksh93/rust-engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aksh93/rust-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksh93%2Frust-engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksh93%2Frust-engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 880614df6311af83bad0efe933e15afd495748ce [INFO] checking aksh93/rust-engine against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksh93%2Frust-engine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aksh93/rust-engine on toolchain aa067fb984d36462548bb785da221bfaf38253f0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aksh93/rust-engine [INFO] finished tweaking git repo https://github.com/aksh93/rust-engine [INFO] tweaked toml for git repo https://github.com/aksh93/rust-engine written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aksh93/rust-engine 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" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking aksh93/rust-engine against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksh93%2Frust-engine" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aksh93/rust-engine on toolchain 707d6562f55b55a7aab4ab3a904997116b358314 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aksh93/rust-engine [INFO] finished tweaking git repo https://github.com/aksh93/rust-engine [INFO] tweaked toml for git repo https://github.com/aksh93/rust-engine written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aksh93/rust-engine 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" "+707d6562f55b55a7aab4ab3a904997116b358314" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3067b39f2c18ec6f5b3dbba52bdd295c51143ab76429303a15ac2aabb866ed87 [INFO] running `Command { std: "docker" "start" "-a" "3067b39f2c18ec6f5b3dbba52bdd295c51143ab76429303a15ac2aabb866ed87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3067b39f2c18ec6f5b3dbba52bdd295c51143ab76429303a15ac2aabb866ed87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3067b39f2c18ec6f5b3dbba52bdd295c51143ab76429303a15ac2aabb866ed87", kill_on_drop: false }` [INFO] [stdout] 3067b39f2c18ec6f5b3dbba52bdd295c51143ab76429303a15ac2aabb866ed87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e4f653350eb77a038c68e0364bf26d1d4689b38f7ddb179e0258b4165a157a8 [INFO] running `Command { std: "docker" "start" "-a" "2e4f653350eb77a038c68e0364bf26d1d4689b38f7ddb179e0258b4165a157a8", kill_on_drop: false }` [INFO] [stderr] Checking rust-engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `children` and `node_type` are never read [INFO] [stdout] --> src/html.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | children: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 6 | node_type: NodeType, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/html.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/html.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | Element(ElementData), [INFO] [stdout] | ------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | Element(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `children` and `node_type` are never read [INFO] [stdout] --> src/html.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 5 | children: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 6 | node_type: NodeType, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/html.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/html.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | Element(ElementData), [INFO] [stdout] | ------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | Element(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tag_name` and `attributes` are never read [INFO] [stdout] --> src/html.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct ElementData { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 17 | tag_name: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 18 | attributes: AttrMap, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ElementData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rules` is never read [INFO] [stdout] --> src/css.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Stylesheet { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 3 | rules: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stylesheet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `selectors` and `declarations` are never read [INFO] [stdout] --> src/css.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Rule { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | selectors: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 9 | declarations: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rule` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/css.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Declaration { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 39 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 40 | value: Value, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Declaration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/css.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | Keyword(String), [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 45 | Keyword(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/css.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | Length(f32, Unit), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 46 | Length((), Unit), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/css.rs:47:16 [INFO] [stdout] | [INFO] [stdout] 47 | ColorValue(Color), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 | ColorValue(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `r`, `g`, `b`, and `a` are never read [INFO] [stdout] --> src/css.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 57 | r: u8, [INFO] [stdout] | ^ [INFO] [stdout] 58 | g: u8, [INFO] [stdout] | ^ [INFO] [stdout] 59 | b: u8, [INFO] [stdout] | ^ [INFO] [stdout] 60 | a: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tag_name` and `attributes` are never read [INFO] [stdout] --> src/html.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct ElementData { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 17 | tag_name: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 18 | attributes: AttrMap, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ElementData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rules` is never read [INFO] [stdout] --> src/css.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Stylesheet { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 3 | rules: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stylesheet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `selectors` and `declarations` are never read [INFO] [stdout] --> src/css.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Rule { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | selectors: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 9 | declarations: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rule` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/css.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Declaration { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 39 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 40 | value: Value, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Declaration` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/css.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | Keyword(String), [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 45 | Keyword(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/css.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | Length(f32, Unit), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 46 | Length((), Unit), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/css.rs:47:16 [INFO] [stdout] | [INFO] [stdout] 47 | ColorValue(Color), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 | ColorValue(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `r`, `g`, `b`, and `a` are never read [INFO] [stdout] --> src/css.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 56 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 57 | r: u8, [INFO] [stdout] | ^ [INFO] [stdout] 58 | g: u8, [INFO] [stdout] | ^ [INFO] [stdout] 59 | b: u8, [INFO] [stdout] | ^ [INFO] [stdout] 60 | a: u8, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "2e4f653350eb77a038c68e0364bf26d1d4689b38f7ddb179e0258b4165a157a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e4f653350eb77a038c68e0364bf26d1d4689b38f7ddb179e0258b4165a157a8", kill_on_drop: false }` [INFO] [stdout] 2e4f653350eb77a038c68e0364bf26d1d4689b38f7ddb179e0258b4165a157a8