[INFO] fetching crate arraygen 0.3.2... [INFO] checking arraygen-0.3.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate arraygen 0.3.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate arraygen 0.3.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 56 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding compiletest_rs v0.7.1 (latest: v0.10.2) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustfix v0.5.1 (latest: v0.8.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded compiletest_rs v0.7.1 [INFO] [stderr] Downloaded rustfix v0.5.1 [INFO] [stderr] Downloaded diff v0.1.13 [INFO] [stderr] Downloaded tester v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 545690ebe94cb18cac76f5a6f4ee5acbaf42b53ff4870e7d4b31b49abd5156ab [INFO] running `Command { std: "docker" "start" "-a" "545690ebe94cb18cac76f5a6f4ee5acbaf42b53ff4870e7d4b31b49abd5156ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "545690ebe94cb18cac76f5a6f4ee5acbaf42b53ff4870e7d4b31b49abd5156ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "545690ebe94cb18cac76f5a6f4ee5acbaf42b53ff4870e7d4b31b49abd5156ab", kill_on_drop: false }` [INFO] [stdout] 545690ebe94cb18cac76f5a6f4ee5acbaf42b53ff4870e7d4b31b49abd5156ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e061a67857605c141d296c8c45245700b8108efebdb6926ead4ff223ca6ca04 [INFO] running `Command { std: "docker" "start" "-a" "9e061a67857605c141d296c8c45245700b8108efebdb6926ead4ff223ca6ca04", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling compiletest_rs v0.7.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking tester v0.9.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.58 [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, [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: method `insert_stable` is never used [INFO] [stdout] --> src/utils.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait OptionExtensions { [INFO] [stdout] | ---------------- method in this trait [INFO] [stdout] 2 | fn insert_stable(&mut self, value: T) -> &mut T; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.197 [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, [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: method `insert_stable` is never used [INFO] [stdout] --> src/utils.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait OptionExtensions { [INFO] [stdout] | ---------------- method in this trait [INFO] [stdout] 2 | fn insert_stable(&mut self, value: T) -> &mut T; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking rustfix v0.5.1 [INFO] [stderr] warning (Arraygen): Method 'foo' from struct 'Sut' returns an empty array. [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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [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, [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: method `insert_stable` is never used [INFO] [stdout] --> src/utils.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait OptionExtensions { [INFO] [stdout] | ---------------- method in this trait [INFO] [stdout] 2 | fn insert_stable(&mut self, value: T) -> &mut T; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.64s [INFO] running `Command { std: "docker" "inspect" "9e061a67857605c141d296c8c45245700b8108efebdb6926ead4ff223ca6ca04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e061a67857605c141d296c8c45245700b8108efebdb6926ead4ff223ca6ca04", kill_on_drop: false }` [INFO] [stdout] 9e061a67857605c141d296c8c45245700b8108efebdb6926ead4ff223ca6ca04