[INFO] fetching crate convert-js-macros 1.0.0-alpha.15...
[INFO] checking convert-js-macros-1.0.0-alpha.15 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate convert-js-macros 1.0.0-alpha.15 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate convert-js-macros 1.0.0-alpha.15
[INFO] finished tweaking crates.io crate convert-js-macros 1.0.0-alpha.15
[INFO] tweaked toml for crates.io crate convert-js-macros 1.0.0-alpha.15 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate convert-js-macros 1.0.0-alpha.15 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.13.4 (available: v0.20.11)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd7cbced16efb9d3a8fb5759323bfdd3b367571be2e56db798dd4406d2aa9808
[INFO] running `Command { std: "docker" "start" "-a" "dd7cbced16efb9d3a8fb5759323bfdd3b367571be2e56db798dd4406d2aa9808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd7cbced16efb9d3a8fb5759323bfdd3b367571be2e56db798dd4406d2aa9808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7cbced16efb9d3a8fb5759323bfdd3b367571be2e56db798dd4406d2aa9808", kill_on_drop: false }`
[INFO] [stdout] dd7cbced16efb9d3a8fb5759323bfdd3b367571be2e56db798dd4406d2aa9808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b69b3e28cfe1cb1b76db9a8f1a700106360a7e0f865f1e9136b38d257784cac
[INFO] running `Command { std: "docker" "start" "-a" "4b69b3e28cfe1cb1b76db9a8f1a700106360a7e0f865f1e9136b38d257784cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking darling v0.13.4
[INFO] [stderr]     Checking convert-js-macros v1.0.0-alpha.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FromField` and `FromVariant`
[INFO] [stdout]  --> src/opts/ast.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use darling::{util::Flag, FromField, FromTypeParam, FromVariant};
[INFO] [stdout]   |                           ^^^^^^^^^                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rename::Rename`
[INFO] [stdout]  --> src/opts/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::rename::Rename;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/to_js.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromField` and `FromVariant`
[INFO] [stdout]  --> src/opts/ast.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use darling::{util::Flag, FromField, FromTypeParam, FromVariant};
[INFO] [stdout]   |                           ^^^^^^^^^                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rename::Rename`
[INFO] [stdout]  --> src/opts/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::rename::Rename;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/to_js.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rename_all`
[INFO] [stdout]    --> src/opts/impl_enum.rs:114:57
[INFO] [stdout]     |
[INFO] [stdout] 114 |         opts::ConvertJsOptsStructData::Object { fields, rename_all } => {
[INFO] [stdout]     |                                                         ^^^^^^^^^^ help: try ignoring the field: `rename_all: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rename_all`
[INFO] [stdout]    --> src/opts/impl_enum.rs:114:57
[INFO] [stdout]     |
[INFO] [stdout] 114 |         opts::ConvertJsOptsStructData::Object { fields, rename_all } => {
[INFO] [stdout]     |                                                         ^^^^^^^^^^ help: try ignoring the field: `rename_all: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeParamOptsInput` is never constructed
[INFO] [stdout]  --> src/opts/ast.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct TypeParamOptsInput {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/opts/enum_style.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Internal { tag: String },
[INFO] [stdout]    |     --------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tag` and `content` are never read
[INFO] [stdout]   --> src/opts/enum_style.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 |     Adjacent { tag: String, content: String },
[INFO] [stdout]    |     --------   ^^^          ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeParamOptsInput` is never constructed
[INFO] [stdout]  --> src/opts/ast.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct TypeParamOptsInput {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/opts/enum_style.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Internal { tag: String },
[INFO] [stdout]    |     --------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tag` and `content` are never read
[INFO] [stdout]   --> src/opts/enum_style.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 |     Adjacent { tag: String, content: String },
[INFO] [stdout]    |     --------   ^^^          ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.02s
[INFO] running `Command { std: "docker" "inspect" "4b69b3e28cfe1cb1b76db9a8f1a700106360a7e0f865f1e9136b38d257784cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b69b3e28cfe1cb1b76db9a8f1a700106360a7e0f865f1e9136b38d257784cac", kill_on_drop: false }`
[INFO] [stdout] 4b69b3e28cfe1cb1b76db9a8f1a700106360a7e0f865f1e9136b38d257784cac