[INFO] fetching crate arraygen 0.3.2...
[INFO] checking arraygen-0.3.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate arraygen 0.3.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate arraygen 0.3.2
[INFO] finished tweaking crates.io crate arraygen 0.3.2
[INFO] tweaked toml for crates.io crate arraygen 0.3.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arraygen 0.3.2 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 56 packages to latest compatible versions
[INFO] [stderr]       Adding compiletest_rs v0.7.1 (available: v0.11.2)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a91c4d78124d9eb7707e45adfa9e1933b3a8121eb427a91929409a88909146fc
[INFO] running `Command { std: "docker" "start" "-a" "a91c4d78124d9eb7707e45adfa9e1933b3a8121eb427a91929409a88909146fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91c4d78124d9eb7707e45adfa9e1933b3a8121eb427a91929409a88909146fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91c4d78124d9eb7707e45adfa9e1933b3a8121eb427a91929409a88909146fc", kill_on_drop: false }`
[INFO] [stdout] a91c4d78124d9eb7707e45adfa9e1933b3a8121eb427a91929409a88909146fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f7e157ea2470f8e37ce04c7cc3854d3db8939f3d50148496dc978eebd5b458ea
[INFO] running `Command { std: "docker" "start" "-a" "f7e157ea2470f8e37ce04c7cc3854d3db8939f3d50148496dc978eebd5b458ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling compiletest_rs v0.7.1
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking tester v0.9.1
[INFO] [stderr]     Checking arraygen v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `vis` is never read
[INFO] [stdout]   --> src/parse_derive_arraygen.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DeriveArraygen {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 15 |     pub gen_arrays: HashMap<Ident, GenArray>,
[INFO] [stdout] 16 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `casts` is never read
[INFO] [stdout]   --> src/parse_gen_array.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct GenArray {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub casts: Vec<(syn::Ident, syn::Type, proc_macro2::TokenStream, CastKind)>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OptionExtensions` is never used
[INFO] [stdout]  --> src/utils.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait OptionExtensions<T> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stdout] warning: field `vis` is never read
[INFO] [stdout]   --> src/parse_derive_arraygen.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DeriveArraygen {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 15 |     pub gen_arrays: HashMap<Ident, GenArray>,
[INFO] [stdout] 16 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `casts` is never read
[INFO] [stdout]   --> src/parse_gen_array.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct GenArray {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub casts: Vec<(syn::Ident, syn::Type, proc_macro2::TokenStream, CastKind)>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OptionExtensions` is never used
[INFO] [stdout]  --> src/utils.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait OptionExtensions<T> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stdout] warning: method `give` is never used
[INFO] [stdout]   --> tests/trait_objects_tests.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |         trait UiController {
[INFO] [stdout]    |               ------------ method in this trait
[INFO] [stdout] 33 |             fn give(&self) -> f32;
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> tests/trait_objects_tests.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |         struct RgbRedR {
[INFO] [stdout]    |                ------- field in this struct
[INFO] [stdout] 38 |             pub value: f32,
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RgbRedR` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning (Arraygen): Method 'foo' from struct 'Sut' returns an empty array.
[INFO] [stdout] warning: field `vis` is never read
[INFO] [stdout]   --> src/parse_derive_arraygen.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct DeriveArraygen {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 15 |     pub gen_arrays: HashMap<Ident, GenArray>,
[INFO] [stdout] 16 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `casts` is never read
[INFO] [stdout]   --> src/parse_gen_array.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct GenArray {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub casts: Vec<(syn::Ident, syn::Type, proc_macro2::TokenStream, CastKind)>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OptionExtensions` is never used
[INFO] [stdout]  --> src/utils.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait OptionExtensions<T> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.69s
[INFO] running `Command { std: "docker" "inspect" "f7e157ea2470f8e37ce04c7cc3854d3db8939f3d50148496dc978eebd5b458ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e157ea2470f8e37ce04c7cc3854d3db8939f3d50148496dc978eebd5b458ea", kill_on_drop: false }`
[INFO] [stdout] f7e157ea2470f8e37ce04c7cc3854d3db8939f3d50148496dc978eebd5b458ea