[INFO] fetching crate rspack_style 0.1.16...
[INFO] building rspack_style-0.1.16 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rspack_style 0.1.16 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rspack_style 0.1.16
[INFO] finished tweaking crates.io crate rspack_style 0.1.16
[INFO] tweaked toml for crates.io crate rspack_style 0.1.16 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rspack_style 0.1.16 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rspack_style 0.1.16 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.23.0
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[INFO] [stderr]   Downloaded smol_str v0.1.23
[INFO] [stderr]   Downloaded strum_macros v0.23.1
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[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded tokio v1.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87821ee1ab57a73af2063b46feed27d5e8fc8b8c1c183ef2b34bedd4fea7ea9b
[INFO] running `Command { std: "docker" "start" "-a" "87821ee1ab57a73af2063b46feed27d5e8fc8b8c1c183ef2b34bedd4fea7ea9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87821ee1ab57a73af2063b46feed27d5e8fc8b8c1c183ef2b34bedd4fea7ea9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87821ee1ab57a73af2063b46feed27d5e8fc8b8c1c183ef2b34bedd4fea7ea9b", kill_on_drop: false }`
[INFO] [stdout] 87821ee1ab57a73af2063b46feed27d5e8fc8b8c1c183ef2b34bedd4fea7ea9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f459d2c8a8ba1e77e072a8c78f4886619621cbf1616fa36ac4565a34332e7ea6
[INFO] running `Command { std: "docker" "start" "-a" "f459d2c8a8ba1e77e072a8c78f4886619621cbf1616fa36ac4565a34332e7ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fasteval v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling smol_str v0.1.23
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling uuid v1.1.0
[INFO] [stderr]    Compiling rspack_style v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/token/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Token(String);
[INFO] [stdout]   |            ----- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/css/comment.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `css::node::StyleNode` does not implement `Deref`, so calling `deref` on `&css::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 107 -     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout] 107 +     if let StyleNode::Comment(cc) = x.clone() {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `css::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/css/node.rs:17:1
[INFO] [stdout]     |
[INFO] [stdout]  17 + #[derive(Clone)]
[INFO] [stdout]  18 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/less/codegen.rs:27:60
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 27 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]   --> src/less/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 + #[derive(Clone)]
[INFO] [stdout] 19 | pub enum StyleNode {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/less/codegen.rs:47:60
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 47 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 47 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]   --> src/less/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 + #[derive(Clone)]
[INFO] [stdout] 19 | pub enum StyleNode {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/comment.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 107 -     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout] 107 +     if let StyleNode::Comment(cc) = x.clone() {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/select.rs:926:60
[INFO] [stdout]     |
[INFO] [stdout] 926 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 926 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 926 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/select.rs:946:60
[INFO] [stdout]     |
[INFO] [stdout] 946 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 946 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 946 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.46s
[INFO] running `Command { std: "docker" "inspect" "f459d2c8a8ba1e77e072a8c78f4886619621cbf1616fa36ac4565a34332e7ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f459d2c8a8ba1e77e072a8c78f4886619621cbf1616fa36ac4565a34332e7ea6", kill_on_drop: false }`
[INFO] [stdout] f459d2c8a8ba1e77e072a8c78f4886619621cbf1616fa36ac4565a34332e7ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a258c1202f943c0db29427dd6f83444e7750d9d8c38d347f9678900a6ce0e88
[INFO] running `Command { std: "docker" "start" "-a" "2a258c1202f943c0db29427dd6f83444e7750d9d8c38d347f9678900a6ce0e88", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling futures-core v0.3.21
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[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
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[INFO] [stderr]    Compiling plotters-svg v0.3.1
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[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
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[INFO] [stderr]    Compiling csv-core v0.1.10
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio v1.18.2
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling uuid v1.1.0
[INFO] [stderr]    Compiling smol_str v0.1.23
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rspack_style v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/token/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Token(String);
[INFO] [stdout]   |            ----- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/css/comment.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `css::node::StyleNode` does not implement `Deref`, so calling `deref` on `&css::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 107 -     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout] 107 +     if let StyleNode::Comment(cc) = x.clone() {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `css::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/css/node.rs:17:1
[INFO] [stdout]     |
[INFO] [stdout]  17 + #[derive(Clone)]
[INFO] [stdout]  18 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/less/codegen.rs:27:60
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 27 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]   --> src/less/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 + #[derive(Clone)]
[INFO] [stdout] 19 | pub enum StyleNode {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/less/codegen.rs:47:60
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 47 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 47 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]   --> src/less/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 + #[derive(Clone)]
[INFO] [stdout] 19 | pub enum StyleNode {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/comment.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 107 -     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout] 107 +     if let StyleNode::Comment(cc) = x.clone() {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/select.rs:926:60
[INFO] [stdout]     |
[INFO] [stdout] 926 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 926 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 926 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/select.rs:946:60
[INFO] [stdout]     |
[INFO] [stdout] 946 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 946 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 946 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/token/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Token(String);
[INFO] [stdout]   |            ----- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/css/comment.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `css::node::StyleNode` does not implement `Deref`, so calling `deref` on `&css::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 107 -     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout] 107 +     if let StyleNode::Comment(cc) = x.clone() {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `css::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/css/node.rs:17:1
[INFO] [stdout]     |
[INFO] [stdout]  17 + #[derive(Clone)]
[INFO] [stdout]  18 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/less/codegen.rs:27:60
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 27 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]   --> src/less/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 + #[derive(Clone)]
[INFO] [stdout] 19 | pub enum StyleNode {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/less/codegen.rs:47:60
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]    |                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 47 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 47 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]   --> src/less/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 + #[derive(Clone)]
[INFO] [stdout] 19 | pub enum StyleNode {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/comment.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 107 -     if let StyleNode::Comment(cc) = x.deref().clone() {
[INFO] [stdout] 107 +     if let StyleNode::Comment(cc) = x.clone() {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/select.rs:926:60
[INFO] [stdout]     |
[INFO] [stdout] 926 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 926 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 926 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/less/select.rs:946:60
[INFO] [stdout]     |
[INFO] [stdout] 946 |         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout]     |                                                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `less::node::StyleNode` does not implement `Deref`, so calling `deref` on `&less::node::StyleNode` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 946 -         if let StyleNode::Var(VarRuleNode::Var(var)) = item.deref() {
[INFO] [stdout] 946 +         if let StyleNode::Var(VarRuleNode::Var(var)) = item {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `less::node::StyleNode`, implement `Clone` for it
[INFO] [stdout]    --> src/less/node.rs:18:1
[INFO] [stdout]     |
[INFO] [stdout]  18 + #[derive(Clone)]
[INFO] [stdout]  19 | pub enum StyleNode {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "2a258c1202f943c0db29427dd6f83444e7750d9d8c38d347f9678900a6ce0e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a258c1202f943c0db29427dd6f83444e7750d9d8c38d347f9678900a6ce0e88", kill_on_drop: false }`
[INFO] [stdout] 2a258c1202f943c0db29427dd6f83444e7750d9d8c38d347f9678900a6ce0e88