[INFO] fetching crate icon_derive 0.1.0...
[INFO] checking icon_derive-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate icon_derive 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate icon_derive 0.1.0
[INFO] finished tweaking crates.io crate icon_derive 0.1.0
[INFO] tweaked toml for crates.io crate icon_derive 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate icon_derive 0.1.0 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] 6f178108d64da5f627bd92d96df7a51d1adee812a75780f0530ce3a54d03667b
[INFO] running `Command { std: "docker" "start" "-a" "6f178108d64da5f627bd92d96df7a51d1adee812a75780f0530ce3a54d03667b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f178108d64da5f627bd92d96df7a51d1adee812a75780f0530ce3a54d03667b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f178108d64da5f627bd92d96df7a51d1adee812a75780f0530ce3a54d03667b", kill_on_drop: false }`
[INFO] [stdout] 6f178108d64da5f627bd92d96df7a51d1adee812a75780f0530ce3a54d03667b
[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] 2a1e6e00da4de15e5fe494fb9628dd8bff18d0e9960b9ef6f0d4affc49727561
[INFO] running `Command { std: "docker" "start" "-a" "2a1e6e00da4de15e5fe494fb9628dd8bff18d0e9960b9ef6f0d4affc49727561", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking icon_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/lib.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let DeriveInput {ident, attrs, mut data,    ..} = parse_macro_input!(input as DeriveInput);
[INFO] [stdout]    |                             ^^^^^-
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: try removing the field
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let ident = &ast.ident;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut ast = parse_macro_input!(input as syn::DeriveInput);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `paramType` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let paramType = fields.iter().find(|f| f.ident.as_ref().unwrap() == "params").unwrap().ty.clone();
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `param_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newFields` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut newFields: Vec<&syn::Field> = fields.iter().collect();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `new_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/lib.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let DeriveInput {ident, attrs, mut data,    ..} = parse_macro_input!(input as DeriveInput);
[INFO] [stdout]    |                             ^^^^^-
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: try removing the field
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let ident = &ast.ident;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut ast = parse_macro_input!(input as syn::DeriveInput);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `paramType` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let paramType = fields.iter().find(|f| f.ident.as_ref().unwrap() == "params").unwrap().ty.clone();
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `param_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newFields` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut newFields: Vec<&syn::Field> = fields.iter().collect();
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `new_fields`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "2a1e6e00da4de15e5fe494fb9628dd8bff18d0e9960b9ef6f0d4affc49727561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1e6e00da4de15e5fe494fb9628dd8bff18d0e9960b9ef6f0d4affc49727561", kill_on_drop: false }`
[INFO] [stdout] 2a1e6e00da4de15e5fe494fb9628dd8bff18d0e9960b9ef6f0d4affc49727561