[INFO] fetching crate helper_fn 0.1.0... [INFO] checking helper_fn-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate helper_fn 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate helper_fn 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate helper_fn 0.1.0 [INFO] finished tweaking crates.io crate helper_fn 0.1.0 [INFO] tweaked toml for crates.io crate helper_fn 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58296af303c86631f9300b91838f54cb45c013b68a12bb25021ac15f284932f2 [INFO] running `Command { std: "docker" "start" "-a" "58296af303c86631f9300b91838f54cb45c013b68a12bb25021ac15f284932f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58296af303c86631f9300b91838f54cb45c013b68a12bb25021ac15f284932f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58296af303c86631f9300b91838f54cb45c013b68a12bb25021ac15f284932f2", kill_on_drop: false }` [INFO] [stdout] 58296af303c86631f9300b91838f54cb45c013b68a12bb25021ac15f284932f2 [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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46f77e55295be3fa2fe5b6130fa1dd9e93469318363f643c2f17c5ebad1f3680 [INFO] running `Command { std: "docker" "start" "-a" "46f77e55295be3fa2fe5b6130fa1dd9e93469318363f643c2f17c5ebad1f3680", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking helper_fn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `colon` is never read [INFO] [stdout] --> src/lib.rs:161:3 [INFO] [stdout] | [INFO] [stdout] 159 | struct CaptureArgWithType { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] 160 | capture: CaptureArg, [INFO] [stdout] 161 | colon: Token![:], [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgWithType` 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: field `colon` is never read [INFO] [stdout] --> src/lib.rs:161:3 [INFO] [stdout] | [INFO] [stdout] 159 | struct CaptureArgWithType { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] 160 | capture: CaptureArg, [INFO] [stdout] 161 | colon: Token![:], [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgWithType` 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: field `0` is never read [INFO] [stdout] --> src/lib.rs:178:7 [INFO] [stdout] | [INFO] [stdout] 178 | Ref(Token![&]), [INFO] [stdout] | --- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 178 | Ref(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/lib.rs:179:10 [INFO] [stdout] | [INFO] [stdout] 179 | RefMut(Token![&], Token![mut]), [INFO] [stdout] | ------ ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 179 | RefMut((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:178:7 [INFO] [stdout] | [INFO] [stdout] 178 | Ref(Token![&]), [INFO] [stdout] | --- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 178 | Ref(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/lib.rs:179:10 [INFO] [stdout] | [INFO] [stdout] 179 | RefMut(Token![&], Token![mut]), [INFO] [stdout] | ------ ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 179 | RefMut((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `colon` is never read [INFO] [stdout] --> src/lib.rs:161:3 [INFO] [stdout] | [INFO] [stdout] 159 | struct CaptureArgWithType { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] 160 | capture: CaptureArg, [INFO] [stdout] 161 | colon: Token![:], [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgWithType` 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: field `0` is never read [INFO] [stdout] --> src/lib.rs:178:7 [INFO] [stdout] | [INFO] [stdout] 178 | Ref(Token![&]), [INFO] [stdout] | --- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 178 | Ref(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/lib.rs:179:10 [INFO] [stdout] | [INFO] [stdout] 179 | RefMut(Token![&], Token![mut]), [INFO] [stdout] | ------ ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CaptureArgKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 179 | RefMut((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `get_num` [INFO] [stdout] --> tests/test.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | fn get_num() -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `increment_num` [INFO] [stdout] --> tests/test.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn increment_num() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `make_num_zero` [INFO] [stdout] --> tests/test.rs:31:6 [INFO] [stdout] | [INFO] [stdout] 31 | fn make_num_zero() { [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 6.88s [INFO] running `Command { std: "docker" "inspect" "46f77e55295be3fa2fe5b6130fa1dd9e93469318363f643c2f17c5ebad1f3680", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46f77e55295be3fa2fe5b6130fa1dd9e93469318363f643c2f17c5ebad1f3680", kill_on_drop: false }` [INFO] [stdout] 46f77e55295be3fa2fe5b6130fa1dd9e93469318363f643c2f17c5ebad1f3680