[INFO] fetching crate minify-js 0.6.0...
[INFO] checking minify-js-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate minify-js 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate minify-js 0.6.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minify-js 0.6.0
[INFO] finished tweaking crates.io crate minify-js 0.6.0
[INFO] tweaked toml for crates.io crate minify-js 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.7.20 (available: v1.1.3)
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.14.5)
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding parse-js v0.20.1 (available: v0.24.0)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.24.3 (available: v0.26.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1601e2f1a0f93b0c1f93e8d7ea36f4d30b4321ab688cef0860d57961ca8d8c83
[INFO] running `Command { std: "docker" "start" "-a" "1601e2f1a0f93b0c1f93e8d7ea36f4d30b4321ab688cef0860d57961ca8d8c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1601e2f1a0f93b0c1f93e8d7ea36f4d30b4321ab688cef0860d57961ca8d8c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1601e2f1a0f93b0c1f93e8d7ea36f4d30b4321ab688cef0860d57961ca8d8c83", kill_on_drop: false }`
[INFO] [stdout] 1601e2f1a0f93b0c1f93e8d7ea36f4d30b4321ab688cef0860d57961ca8d8c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef98bf93cb155c9c8f12fa580799f4a3de8b6c2b4d19bca99ca3df4443824f9
[INFO] running `Command { std: "docker" "start" "-a" "0ef98bf93cb155c9c8f12fa580799f4a3de8b6c2b4d19bca99ca3df4443824f9", kill_on_drop: false }`
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking parse-js v0.20.1
[INFO] [stderr]     Checking minify-js v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]   --> src/minify/ctx.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::cmp::max;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]   --> src/minify/ctx.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::cmp::min;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem::discriminant`
[INFO] [stdout]  --> src/minify/lexical_lifetimes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem::discriminant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_js::flag::Flags`
[INFO] [stdout]   --> src/minify/pass3.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use parse_js::flag::Flags;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]   --> src/minify/ctx.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::cmp::max;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]   --> src/minify/ctx.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::cmp::min;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem::discriminant`
[INFO] [stdout]  --> src/minify/lexical_lifetimes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem::discriminant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_js::flag::Flags`
[INFO] [stdout]   --> src/minify/pass3.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use parse_js::flag::Flags;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:126:35
[INFO] [stdout]     |
[INFO] [stdout] 126 |       Syntax::IdentifierPattern { name } => {
[INFO] [stdout]     |                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |       Syntax::ForStmt { header, body } => {
[INFO] [stdout]     |                         ^^^^^^ help: try ignoring the field: `header: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:149:33
[INFO] [stdout]     |
[INFO] [stdout] 149 |       Syntax::ForStmt { header, body } => {
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 |       Syntax::WhileStmt { condition, body } => {
[INFO] [stdout]     |                           ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:152:38
[INFO] [stdout]     |
[INFO] [stdout] 152 |       Syntax::WhileStmt { condition, body } => {
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:155:29
[INFO] [stdout]     |
[INFO] [stdout] 155 |       Syntax::DoWhileStmt { condition, body } => {
[INFO] [stdout]     |                             ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:155:40
[INFO] [stdout]     |
[INFO] [stdout] 155 |       Syntax::DoWhileStmt { condition, body } => {
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_sibling_of` is never used
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> LexicalLifetime<'a> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |   pub fn is_sibling_of(&self, other: &Self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `in_loop` is never read
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct LexicalLifetimesPass<'a, 'b> {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |   pub in_loop: bool,
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<'a, 'b> LexicalLifetimesPass<'a, 'b> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 49 |   pub fn new(ctx: Ctx<'a, 'b>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:126:35
[INFO] [stdout]     |
[INFO] [stdout] 126 |       Syntax::IdentifierPattern { name } => {
[INFO] [stdout]     |                                   ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |       Syntax::ForStmt { header, body } => {
[INFO] [stdout]     |                         ^^^^^^ help: try ignoring the field: `header: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:149:33
[INFO] [stdout]     |
[INFO] [stdout] 149 |       Syntax::ForStmt { header, body } => {
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:152:27
[INFO] [stdout]     |
[INFO] [stdout] 152 |       Syntax::WhileStmt { condition, body } => {
[INFO] [stdout]     |                           ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:152:38
[INFO] [stdout]     |
[INFO] [stdout] 152 |       Syntax::WhileStmt { condition, body } => {
[INFO] [stdout]     |                                      ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:155:29
[INFO] [stdout]     |
[INFO] [stdout] 155 |       Syntax::DoWhileStmt { condition, body } => {
[INFO] [stdout]     |                             ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/minify/lexical_lifetimes.rs:155:40
[INFO] [stdout]     |
[INFO] [stdout] 155 |       Syntax::DoWhileStmt { condition, body } => {
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_sibling_of` is never used
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> LexicalLifetime<'a> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |   pub fn is_sibling_of(&self, other: &Self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `in_loop` is never read
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct LexicalLifetimesPass<'a, 'b> {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |   pub in_loop: bool,
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/minify/lexical_lifetimes.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl<'a, 'b> LexicalLifetimesPass<'a, 'b> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 49 |   pub fn new(ctx: Ctx<'a, 'b>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "0ef98bf93cb155c9c8f12fa580799f4a3de8b6c2b4d19bca99ca3df4443824f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef98bf93cb155c9c8f12fa580799f4a3de8b6c2b4d19bca99ca3df4443824f9", kill_on_drop: false }`
[INFO] [stdout] 0ef98bf93cb155c9c8f12fa580799f4a3de8b6c2b4d19bca99ca3df4443824f9