[INFO] fetching crate ctchi_codegen 0.2.0...
[INFO] checking ctchi_codegen-0.2.0 against beta for pr-78714
[INFO] extracting crate ctchi_codegen 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ctchi_codegen 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctchi_codegen 0.2.0
[INFO] finished tweaking crates.io crate ctchi_codegen 0.2.0
[INFO] tweaked toml for crates.io crate ctchi_codegen 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e31328f8e202fbf4f63837c8c8eb58f904e9ba6ed0b94e2823bd533d12ba8591
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e31328f8e202fbf4f63837c8c8eb58f904e9ba6ed0b94e2823bd533d12ba8591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e31328f8e202fbf4f63837c8c8eb58f904e9ba6ed0b94e2823bd533d12ba8591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31328f8e202fbf4f63837c8c8eb58f904e9ba6ed0b94e2823bd533d12ba8591", kill_on_drop: false }`
[INFO] [stdout] e31328f8e202fbf4f63837c8c8eb58f904e9ba6ed0b94e2823bd533d12ba8591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7aceaa1c8c8cbe06c86fb750a75a9e8c0788f0b9c348964c7aeb2b0afe29fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a7aceaa1c8c8cbe06c86fb750a75a9e8c0788f0b9c348964c7aeb2b0afe29fc", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]     Checking ctchi_codegen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ParseStream`, `Parse`
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::parse::{ParseStream, Parse};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::token::Token`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |             FnArg::Typed(PatType{attrs, pat, colon_token, ty}) => pat,
[INFO] [stdout]    |                                  ^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `colon_token`
[INFO] [stdout]   --> src/lib.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 |             FnArg::Typed(PatType{attrs, pat, colon_token, ty}) => pat,
[INFO] [stdout]    |                                              ^^^^^^^^^^^ help: try ignoring the field: `colon_token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]   --> src/lib.rs:29:59
[INFO] [stdout]    |
[INFO] [stdout] 29 |             FnArg::Typed(PatType{attrs, pat, colon_token, ty}) => pat,
[INFO] [stdout]    |                                                           ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/lib.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                           ^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by_ref`
[INFO] [stdout]   --> src/lib.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                                  ^^^^^^ help: try ignoring the field: `by_ref: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutability`
[INFO] [stdout]   --> src/lib.rs:33:58
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                                          ^^^^^^^^^^ help: try ignoring the field: `mutability: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subpat`
[INFO] [stdout]   --> src/lib.rs:33:77
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                                                             ^^^^^^ help: try ignoring the field: `subpat: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ParseStream`, `Parse`
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::parse::{ParseStream, Parse};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::token::Token`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use syn::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |             FnArg::Typed(PatType{attrs, pat, colon_token, ty}) => pat,
[INFO] [stdout]    |                                  ^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `colon_token`
[INFO] [stdout]   --> src/lib.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 |             FnArg::Typed(PatType{attrs, pat, colon_token, ty}) => pat,
[INFO] [stdout]    |                                              ^^^^^^^^^^^ help: try ignoring the field: `colon_token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]   --> src/lib.rs:29:59
[INFO] [stdout]    |
[INFO] [stdout] 29 |             FnArg::Typed(PatType{attrs, pat, colon_token, ty}) => pat,
[INFO] [stdout]    |                                                           ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/lib.rs:33:43
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                           ^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `by_ref`
[INFO] [stdout]   --> src/lib.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                                  ^^^^^^ help: try ignoring the field: `by_ref: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutability`
[INFO] [stdout]   --> src/lib.rs:33:58
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                                          ^^^^^^^^^^ help: try ignoring the field: `mutability: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subpat`
[INFO] [stdout]   --> src/lib.rs:33:77
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if let syn::Pat::Ident(PatIdent { attrs, by_ref, mutability, ident, subpat }) = input_pat.as_ref() {
[INFO] [stdout]    |                                                                             ^^^^^^ help: try ignoring the field: `subpat: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "3a7aceaa1c8c8cbe06c86fb750a75a9e8c0788f0b9c348964c7aeb2b0afe29fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7aceaa1c8c8cbe06c86fb750a75a9e8c0788f0b9c348964c7aeb2b0afe29fc", kill_on_drop: false }`
[INFO] [stdout] 3a7aceaa1c8c8cbe06c86fb750a75a9e8c0788f0b9c348964c7aeb2b0afe29fc