[INFO] fetching crate render-tree 0.1.1...
[INFO] checking render-tree-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate render-tree 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate render-tree 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate render-tree 0.1.1
[INFO] finished tweaking crates.io crate render-tree 0.1.1
[INFO] tweaked toml for crates.io crate render-tree 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 53 packages
[INFO] [stderr]       Adding ansi_term v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] [stderr]       Adding pretty_env_logger v0.2.5 (latest: v0.5.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 371ab8de6872205cad91e42c09cb54cebb5217ac70471c1147742a59587b9669
[INFO] running `Command { std: "docker" "start" "-a" "371ab8de6872205cad91e42c09cb54cebb5217ac70471c1147742a59587b9669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371ab8de6872205cad91e42c09cb54cebb5217ac70471c1147742a59587b9669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371ab8de6872205cad91e42c09cb54cebb5217ac70471c1147742a59587b9669", kill_on_drop: false }`
[INFO] [stdout] 371ab8de6872205cad91e42c09cb54cebb5217ac70471c1147742a59587b9669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c8c143ab7940be9b105facbe94b530abdf9d3cb75b464225fdd532d9d196cb1
[INFO] running `Command { std: "docker" "start" "-a" "6c8c143ab7940be9b105facbe94b530abdf9d3cb75b464225fdd532d9d196cb1", kill_on_drop: false }`
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking render-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::macros::*`
[INFO] [stdout]  --> src/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::macros::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/stylesheet/accumulator.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/color.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termcolor;
[INFO] [stdout]   |     ^^^^^^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, ColorSpec};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/debug.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for item in tree.clone() {
[INFO] [stdout]    |                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[document::Node]` does not implement `Clone`, so calling `clone` on `&[document::Node]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stdout] warning: unused import: `crate::macros::*`
[INFO] [stdout]  --> src/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::macros::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/stylesheet/accumulator.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/color.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termcolor;
[INFO] [stdout]   |     ^^^^^^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, ColorSpec};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]    --> src/stylesheet/mod.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     use pretty_env_logger;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/debug.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for item in tree.clone() {
[INFO] [stdout]    |                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[document::Node]` does not implement `Clone`, so calling `clone` on `&[document::Node]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "6c8c143ab7940be9b105facbe94b530abdf9d3cb75b464225fdd532d9d196cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8c143ab7940be9b105facbe94b530abdf9d3cb75b464225fdd532d9d196cb1", kill_on_drop: false }`
[INFO] [stdout] 6c8c143ab7940be9b105facbe94b530abdf9d3cb75b464225fdd532d9d196cb1
[INFO] checking render-tree-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate render-tree 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate render-tree 0.1.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate render-tree 0.1.1
[INFO] finished tweaking crates.io crate render-tree 0.1.1
[INFO] tweaked toml for crates.io crate render-tree 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages
[INFO] [stderr]       Adding ansi_term v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding env_logger v0.5.13 (latest: v0.11.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] [stderr]       Adding pretty_env_logger v0.2.5 (latest: v0.5.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8caac0bb1e0014637a0d32c82969293578d609a43bf880819a40bdddaba24f1
[INFO] running `Command { std: "docker" "start" "-a" "a8caac0bb1e0014637a0d32c82969293578d609a43bf880819a40bdddaba24f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8caac0bb1e0014637a0d32c82969293578d609a43bf880819a40bdddaba24f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8caac0bb1e0014637a0d32c82969293578d609a43bf880819a40bdddaba24f1", kill_on_drop: false }`
[INFO] [stdout] a8caac0bb1e0014637a0d32c82969293578d609a43bf880819a40bdddaba24f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f975bd24999d42ab93500a999ceb3f3a0d7c28c6470c144cdcc56b6087603c6
[INFO] running `Command { std: "docker" "start" "-a" "1f975bd24999d42ab93500a999ceb3f3a0d7c28c6470c144cdcc56b6087603c6", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking render-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::macros::*`
[INFO] [stdout]  --> src/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::macros::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/stylesheet/accumulator.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/color.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termcolor;
[INFO] [stdout]   |     ^^^^^^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, ColorSpec};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/debug.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for item in tree.clone() {
[INFO] [stdout]    |                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[document::Node]` does not implement `Clone`, so calling `clone` on `&[document::Node]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stdout] warning: unused import: `crate::macros::*`
[INFO] [stdout]  --> src/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::macros::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/stylesheet/accumulator.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/color.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termcolor;
[INFO] [stdout]   |     ^^^^^^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/stylesheet/style.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, ColorSpec};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `pretty_env_logger` is imported redundantly
[INFO] [stdout]    --> src/stylesheet/mod.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     use pretty_env_logger;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ the item `pretty_env_logger` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/debug.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |         for item in tree.clone() {
[INFO] [stdout]    |                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[document::Node]` does not implement `Clone`, so calling `clone` on `&[document::Node]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "1f975bd24999d42ab93500a999ceb3f3a0d7c28c6470c144cdcc56b6087603c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f975bd24999d42ab93500a999ceb3f3a0d7c28c6470c144cdcc56b6087603c6", kill_on_drop: false }`
[INFO] [stdout] 1f975bd24999d42ab93500a999ceb3f3a0d7c28c6470c144cdcc56b6087603c6