[INFO] cloning repository https://github.com/ochio/toy-browser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ochio/toy-browser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fochio%2Ftoy-browser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fochio%2Ftoy-browser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62ea5df59ace8ab9a3ec45742f6c4dda0b7039ed [INFO] checking ochio/toy-browser against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fochio%2Ftoy-browser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ochio/toy-browser 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/ochio/toy-browser [INFO] finished tweaking git repo https://github.com/ochio/toy-browser [INFO] tweaked toml for git repo https://github.com/ochio/toy-browser written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ochio/toy-browser 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded png v0.8.0 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded inflate v0.2.0 [INFO] [stderr] Downloaded image v0.14.0 [INFO] [stderr] Downloaded jpeg-decoder v0.1.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a441fcacd2d811bcd75d4004d1bb5f429f52b9dbdc281b2011477b9d5a1c6d03 [INFO] running `Command { std: "docker" "start" "-a" "a441fcacd2d811bcd75d4004d1bb5f429f52b9dbdc281b2011477b9d5a1c6d03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a441fcacd2d811bcd75d4004d1bb5f429f52b9dbdc281b2011477b9d5a1c6d03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a441fcacd2d811bcd75d4004d1bb5f429f52b9dbdc281b2011477b9d5a1c6d03", kill_on_drop: false }` [INFO] [stdout] a441fcacd2d811bcd75d4004d1bb5f429f52b9dbdc281b2011477b9d5a1c6d03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5cbc61d8f5a62f7cb67c4a27c18d71b8fb82f755ab79d47e549b0d32ed3be3ac [INFO] running `Command { std: "docker" "start" "-a" "5cbc61d8f5a62f7cb67c4a27c18d71b8fb82f755ab79d47e549b0d32ed3be3ac", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking either v1.11.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking unicode-width v0.1.12 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.8.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking image v0.14.0 [INFO] [stderr] Checking toy-browser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `None` [INFO] [stdout] --> src/layout.rs:5:34 [INFO] [stdout] | [INFO] [stdout] 5 | Display::{Block, Inline, None}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `None` [INFO] [stdout] --> src/layout.rs:5:34 [INFO] [stdout] | [INFO] [stdout] 5 | Display::{Block, Inline, None}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `style` [INFO] [stdout] --> src/painting.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | style, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `style` [INFO] [stdout] --> src/painting.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | style, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/painting.rs:45:26 [INFO] [stdout] | [INFO] [stdout] 45 | for y in (y0..y1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 45 - for y in (y0..y1) { [INFO] [stdout] 45 + for y in y0..y1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/painting.rs:46:30 [INFO] [stdout] | [INFO] [stdout] 46 | for x in (x0..x1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 46 - for x in (x0..x1) { [INFO] [stdout] 46 + for x in x0..x1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/painting.rs:45:26 [INFO] [stdout] | [INFO] [stdout] 45 | for y in (y0..y1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 45 - for y in (y0..y1) { [INFO] [stdout] 45 + for y in y0..y1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/painting.rs:46:30 [INFO] [stdout] | [INFO] [stdout] 46 | for x in (x0..x1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 46 - for x in (x0..x1) { [INFO] [stdout] 46 + for x in x0..x1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/layout.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | let mut padding_left = style.lookup("padding-left", "margin", &zero); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/layout.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | let mut padding_right = style.lookup("padding-right", "margin", &zero); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/layout.rs:153:13 [INFO] [stdout] | [INFO] [stdout] 153 | let mut padding_left = style.lookup("padding-left", "margin", &zero); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `DisplayNone` [INFO] [stdout] --> src/layout.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | DisplayNone => panic!("Root node has display: none"), [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_DisplayNone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/layout.rs:154:13 [INFO] [stdout] | [INFO] [stdout] 154 | let mut padding_right = style.lookup("padding-right", "margin", &zero); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `DisplayNone` [INFO] [stdout] --> src/layout.rs:306:13 [INFO] [stdout] | [INFO] [stdout] 306 | DisplayNone => {} [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_DisplayNone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `DisplayNone` [INFO] [stdout] --> src/layout.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | DisplayNone => panic!("Root node has display: none"), [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_DisplayNone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `DisplayNone` [INFO] [stdout] --> src/layout.rs:306:13 [INFO] [stdout] | [INFO] [stdout] 306 | DisplayNone => {} [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_DisplayNone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Clamp` is never used [INFO] [stdout] --> src/painting.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | trait Clamp { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `node` is never read [INFO] [stdout] --> src/style.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct StyledNode<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 18 | node: &'a Node, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StyledNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/layout.rs:199:21 [INFO] [stdout] | [INFO] [stdout] 199 | margin_left == Length(0.0, Px); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 199 | let _ = margin_left == Length(0.0, Px); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/layout.rs:202:21 [INFO] [stdout] | [INFO] [stdout] 202 | margin_right == Length(0.0, Px); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = margin_right == Length(0.0, Px); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `DisplayNone` should have a snake case name [INFO] [stdout] --> src/layout.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | DisplayNone => panic!("Root node has display: none"), [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `display_none` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `DisplayNone` should have a snake case name [INFO] [stdout] --> src/layout.rs:306:13 [INFO] [stdout] | [INFO] [stdout] 306 | DisplayNone => {} [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `display_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Clamp` is never used [INFO] [stdout] --> src/painting.rs:152:7 [INFO] [stdout] | [INFO] [stdout] 152 | trait Clamp { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `node` is never read [INFO] [stdout] --> src/style.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct StyledNode<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 18 | node: &'a Node, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StyledNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/layout.rs:199:21 [INFO] [stdout] | [INFO] [stdout] 199 | margin_left == Length(0.0, Px); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 199 | let _ = margin_left == Length(0.0, Px); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/layout.rs:202:21 [INFO] [stdout] | [INFO] [stdout] 202 | margin_right == Length(0.0, Px); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = margin_right == Length(0.0, Px); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `DisplayNone` should have a snake case name [INFO] [stdout] --> src/layout.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | DisplayNone => panic!("Root node has display: none"), [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `display_none` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `DisplayNone` should have a snake case name [INFO] [stdout] --> src/layout.rs:306:13 [INFO] [stdout] | [INFO] [stdout] 306 | DisplayNone => {} [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `display_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s [INFO] running `Command { std: "docker" "inspect" "5cbc61d8f5a62f7cb67c4a27c18d71b8fb82f755ab79d47e549b0d32ed3be3ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cbc61d8f5a62f7cb67c4a27c18d71b8fb82f755ab79d47e549b0d32ed3be3ac", kill_on_drop: false }` [INFO] [stdout] 5cbc61d8f5a62f7cb67c4a27c18d71b8fb82f755ab79d47e549b0d32ed3be3ac