[INFO] fetching crate nom-derive-impl 0.10.1...
[INFO] checking nom-derive-impl-0.10.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate nom-derive-impl 0.10.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate nom-derive-impl 0.10.1
[INFO] finished tweaking crates.io crate nom-derive-impl 0.10.1
[INFO] tweaked toml for crates.io crate nom-derive-impl 0.10.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nom-derive-impl 0.10.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 939df5e89978f5aa5551daf0e553b59db0484e39f03bf92dabb6746eca2b3d40
[INFO] running `Command { std: "docker" "start" "-a" "939df5e89978f5aa5551daf0e553b59db0484e39f03bf92dabb6746eca2b3d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939df5e89978f5aa5551daf0e553b59db0484e39f03bf92dabb6746eca2b3d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939df5e89978f5aa5551daf0e553b59db0484e39f03bf92dabb6746eca2b3d40", kill_on_drop: false }`
[INFO] [stdout] 939df5e89978f5aa5551daf0e553b59db0484e39f03bf92dabb6746eca2b3d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5100d8a1b89269ed23dd9ca660244145db0f451ff8ae956c2260cde00e66fd8f
[INFO] running `Command { std: "docker" "start" "-a" "5100d8a1b89269ed23dd9ca660244145db0f451ff8ae956c2260cde00e66fd8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nom-derive-impl v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `struct_name` is never read
[INFO] [stdout]  --> src/config.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 8 |     pub struct_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_debug` is never used
[INFO] [stdout]   --> src/gen/generator.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) trait Generator {
[INFO] [stdout]    |                  --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn set_debug(&mut self, debug_derive: bool);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetaError` is never constructed
[INFO] [stdout]  --> src/meta/error.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MetaError;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParserTree` is never constructed
[INFO] [stdout]  --> src/parsertree.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ParserTree {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `struct_name` is never read
[INFO] [stdout]  --> src/config.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 8 |     pub struct_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_debug` is never used
[INFO] [stdout]   --> src/gen/generator.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) trait Generator {
[INFO] [stdout]    |                  --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn set_debug(&mut self, debug_derive: bool);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetaError` is never constructed
[INFO] [stdout]  --> src/meta/error.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MetaError;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParserTree` is never constructed
[INFO] [stdout]  --> src/parsertree.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ParserTree {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "5100d8a1b89269ed23dd9ca660244145db0f451ff8ae956c2260cde00e66fd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5100d8a1b89269ed23dd9ca660244145db0f451ff8ae956c2260cde00e66fd8f", kill_on_drop: false }`
[INFO] [stdout] 5100d8a1b89269ed23dd9ca660244145db0f451ff8ae956c2260cde00e66fd8f