[INFO] fetching crate swc_ecma_minifier 0.20.1...
[INFO] checking swc_ecma_minifier-0.20.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate swc_ecma_minifier 0.20.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate swc_ecma_minifier 0.20.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_ecma_minifier 0.20.1
[INFO] finished tweaking crates.io crate swc_ecma_minifier 0.20.1
[INFO] tweaked toml for crates.io crate swc_ecma_minifier 0.20.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swc_node_base v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d87acd0a34f5b082055c1b9c9beb5fd88fa9c0c327d94baee888d6f6d07d3770
[INFO] running `Command { std: "docker" "start" "-a" "d87acd0a34f5b082055c1b9c9beb5fd88fa9c0c327d94baee888d6f6d07d3770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87acd0a34f5b082055c1b9c9beb5fd88fa9c0c327d94baee888d6f6d07d3770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87acd0a34f5b082055c1b9c9beb5fd88fa9c0c327d94baee888d6f6d07d3770", kill_on_drop: false }`
[INFO] [stdout] d87acd0a34f5b082055c1b9c9beb5fd88fa9c0c327d94baee888d6f6d07d3770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390c6ca741588bd99ddc36e50973ed5d078a7ebe41ded2f16c0e871a478dea67
[INFO] running `Command { std: "docker" "start" "-a" "390c6ca741588bd99ddc36e50973ed5d078a7ebe41ded2f16c0e871a478dea67", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling mimalloc-rust-sys v1.7.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking swc_common v0.11.6
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking mimalloc-rust v0.1.1
[INFO] [stderr]     Checking swc_ecma_ast v0.49.4
[INFO] [stderr]     Checking swc_node_base v0.2.2
[INFO] [stderr]     Checking testing v0.12.2
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]     Checking swc_ecma_visit v0.35.2
[INFO] [stderr]     Checking swc_ecma_parser v0.66.5
[INFO] [stderr]     Checking swc_ecma_utils v0.41.2
[INFO] [stderr]     Checking swc_ecma_transforms_base v0.26.3
[INFO] [stderr]     Checking swc_ecma_codegen v0.66.3
[INFO] [stderr]     Checking swc_ecma_transforms_optimization v0.35.1
[INFO] [stderr]     Checking swc_ecma_transforms v0.65.1
[INFO] [stderr]     Checking swc_ecma_minifier v0.20.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `top_level`
[INFO] [stdout]   --> src/compress/hoist_decls.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub top_level: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_try_block`
[INFO] [stdout]   --> src/compress/pure/ctx.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub in_try_block: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `top_level`
[INFO] [stdout]   --> src/compress/hoist_decls.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub top_level: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `in_try_block`
[INFO] [stdout]   --> src/compress/pure/ctx.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub in_try_block: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.35s
[INFO] running `Command { std: "docker" "inspect" "390c6ca741588bd99ddc36e50973ed5d078a7ebe41ded2f16c0e871a478dea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390c6ca741588bd99ddc36e50973ed5d078a7ebe41ded2f16c0e871a478dea67", kill_on_drop: false }`
[INFO] [stdout] 390c6ca741588bd99ddc36e50973ed5d078a7ebe41ded2f16c0e871a478dea67