[INFO] fetching crate swc_ecma_lints 0.104.0...
[INFO] checking swc_ecma_lints-0.104.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate swc_ecma_lints 0.104.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate swc_ecma_lints 0.104.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_ecma_lints 0.104.0
[INFO] finished tweaking crates.io crate swc_ecma_lints 0.104.0
[INFO] tweaked toml for crates.io crate swc_ecma_lints 0.104.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate swc_ecma_lints 0.104.0 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded hstr v0.2.12
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[INFO] [stderr]   Downloaded swc_ecma_utils v0.137.0
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[INFO] [stderr]   Downloaded swc_ecma_codegen v0.158.0
[INFO] [stderr]   Downloaded cc v1.1.15
[INFO] [stderr]   Downloaded swc_ecma_transforms_base v0.149.0
[INFO] [stderr]   Downloaded swc_ecma_parser v0.152.0
[INFO] [stderr]   Downloaded swc_ecma_ast v0.121.0
[INFO] [stderr]   Downloaded textwrap v0.16.0
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[INFO] [stderr]   Downloaded swc_common v0.40.0
[INFO] [stderr]   Downloaded from_variant v1.0.0
[INFO] [stderr]   Downloaded swc_ecma_visit v0.107.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0909c43de29f101b9d2a99932e97bd84d6587b7c5aaa860ba3391c427aa041f
[INFO] running `Command { std: "docker" "start" "-a" "f0909c43de29f101b9d2a99932e97bd84d6587b7c5aaa860ba3391c427aa041f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0909c43de29f101b9d2a99932e97bd84d6587b7c5aaa860ba3391c427aa041f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0909c43de29f101b9d2a99932e97bd84d6587b7c5aaa860ba3391c427aa041f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b9518dedbe640884fb70d04b76c86aa53af68d7cb967e7183bb08540b5e6354
[INFO] running `Command { std: "docker" "start" "-a" "5b9518dedbe640884fb70d04b76c86aa53af68d7cb967e7183bb08540b5e6354", kill_on_drop: false }`
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[INFO] [stderr]     Checking swc_ecma_lints v0.104.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lint_params`
[INFO] [stdout]   --> src/rules/mod.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn all(lint_params: LintParams) -> Vec<Box<dyn Rule>> {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lint_params`
[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/rules/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut rules = vec![
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking swc_ecma_transforms_base v0.149.0
[INFO] [stdout] warning: unused variable: `lint_params`
[INFO] [stdout]   --> src/rules/mod.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn all(lint_params: LintParams) -> Vec<Box<dyn Rule>> {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lint_params`
[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/rules/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut rules = vec![
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.40s
[INFO] running `Command { std: "docker" "inspect" "5b9518dedbe640884fb70d04b76c86aa53af68d7cb967e7183bb08540b5e6354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9518dedbe640884fb70d04b76c86aa53af68d7cb967e7183bb08540b5e6354", kill_on_drop: false }`
[INFO] [stdout] 5b9518dedbe640884fb70d04b76c86aa53af68d7cb967e7183bb08540b5e6354