[INFO] fetching crate swc_ecma_ast 13.0.0...
[INFO] checking swc_ecma_ast-13.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate swc_ecma_ast 13.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate swc_ecma_ast 13.0.0
[INFO] finished tweaking crates.io crate swc_ecma_ast 13.0.0
[INFO] tweaked toml for crates.io crate swc_ecma_ast 13.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swc_ecma_ast 13.0.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swc_ecma_ast 13.0.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be56eb326949db63e156ae44d2cdba17dd805368e68615b46e1ae992ef59331b
[INFO] running `Command { std: "docker" "start" "-a" "be56eb326949db63e156ae44d2cdba17dd805368e68615b46e1ae992ef59331b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be56eb326949db63e156ae44d2cdba17dd805368e68615b46e1ae992ef59331b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be56eb326949db63e156ae44d2cdba17dd805368e68615b46e1ae992ef59331b", kill_on_drop: false }`
[INFO] [stdout] be56eb326949db63e156ae44d2cdba17dd805368e68615b46e1ae992ef59331b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0d1e7dec47ddd76f82d2edf46149e99fb98323b59db2889a7ed1153d3224dc
[INFO] running `Command { std: "docker" "start" "-a" "1c0d1e7dec47ddd76f82d2edf46149e99fb98323b59db2889a7ed1153d3224dc", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
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[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]    Compiling ast_node v3.0.1
[INFO] [stderr]    Compiling from_variant v2.0.1
[INFO] [stderr]    Compiling swc_eq_ignore_macros v1.0.1
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[INFO] [stderr]    Compiling string_enum v1.0.1
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[INFO] [stderr]     Checking icu_locid_transform v1.5.0
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[INFO] [stderr]     Checking triomphe v0.1.14
[INFO] [stderr]     Checking bytes-str v0.2.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.140
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[INFO] [stderr]     Checking idna v1.0.3
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[INFO] [stderr]     Checking swc_common v13.0.0
[INFO] [stderr]     Checking swc_ecma_ast v13.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/expr.rs:1578:21
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     pub fn leftmost(&self) -> Option<Cow<Ident>> {
[INFO] [stdout]      |                     ^^^^^            ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     pub fn leftmost(&self) -> Option<Cow<'_, Ident>> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/expr.rs:1578:21
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     pub fn leftmost(&self) -> Option<Cow<Ident>> {
[INFO] [stdout]      |                     ^^^^^            ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     this lifetime flows to the output
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     pub fn leftmost(&self) -> Option<Cow<'_, Ident>> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.90s
[INFO] running `Command { std: "docker" "inspect" "1c0d1e7dec47ddd76f82d2edf46149e99fb98323b59db2889a7ed1153d3224dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0d1e7dec47ddd76f82d2edf46149e99fb98323b59db2889a7ed1153d3224dc", kill_on_drop: false }`
[INFO] [stdout] 1c0d1e7dec47ddd76f82d2edf46149e99fb98323b59db2889a7ed1153d3224dc