[INFO] fetching crate snec_macros 1.0.0... [INFO] checking snec_macros-1.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate snec_macros 1.0.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate snec_macros 1.0.0 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 snec_macros 1.0.0 [INFO] finished tweaking crates.io crate snec_macros 1.0.0 [INFO] tweaked toml for crates.io crate snec_macros 1.0.0 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 98902348d25184c2a6056600bd861f53d16bdf6d4559cf1569a559d015e396fe [INFO] running `Command { std: "docker" "start" "-a" "98902348d25184c2a6056600bd861f53d16bdf6d4559cf1569a559d015e396fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98902348d25184c2a6056600bd861f53d16bdf6d4559cf1569a559d015e396fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98902348d25184c2a6056600bd861f53d16bdf6d4559cf1569a559d015e396fe", kill_on_drop: false }` [INFO] [stdout] 98902348d25184c2a6056600bd861f53d16bdf6d4559cf1569a559d015e396fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 656f32f528169820eddd68156b4106bb81e659f059ccdd7f355c61d2d0e35555 [INFO] running `Command { std: "docker" "start" "-a" "656f32f528169820eddd68156b4106bb81e659f059ccdd7f355c61d2d0e35555", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking snec_macros v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `pound`, `brackets`, and `parentheses` are never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct SnecAttribute { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 20 | pub pound: Token![#], [INFO] [stdout] | ^^^^^ [INFO] [stdout] 21 | pub brackets: token::Bracket, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 22 | pub path_span: Span, [INFO] [stdout] 23 | pub parentheses: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 126 | Entry { [INFO] [stdout] | ----- field in this variant [INFO] [stdout] 127 | name: custom_token::Entry, [INFO] [stdout] 128 | parentheses: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 138 | UseEntry { [INFO] [stdout] | -------- field in this variant [INFO] [stdout] 139 | name: custom_token::UseEntry, [INFO] [stdout] 140 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 150 | EntryModule { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 151 | name: custom_token::EntryModule, [INFO] [stdout] 152 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 161 | EntryModuleVisibility { [INFO] [stdout] | --------------------- field in this variant [INFO] [stdout] 162 | name: custom_token::EntryModuleVisibility, [INFO] [stdout] 163 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:177:9 [INFO] [stdout] | [INFO] [stdout] 175 | EntryModuleAttributes { [INFO] [stdout] | --------------------- field in this variant [INFO] [stdout] 176 | name: custom_token::EntryModuleAttributes, [INFO] [stdout] 177 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `parentheses`, `braces`, and `colon` are never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 186 | Receiver { [INFO] [stdout] | -------- fields in this variant [INFO] [stdout] 187 | name: custom_token::Receiver, [INFO] [stdout] | ^^^^ [INFO] [stdout] 188 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 189 | braces: token::Brace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | colon: Token![:], [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:379:31 [INFO] [stdout] | [INFO] [stdout] 379 | pub struct $name (pub Span); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 401 | / custom_tokens! { [INFO] [stdout] 402 | | // Root attribute name [INFO] [stdout] 403 | | (Snec, "snec"), [INFO] [stdout] | | ---- field in this struct [INFO] [stdout] ... | [INFO] [stdout] 411 | | (EntryModuleAttributes, "entry_module_attributes"), [INFO] [stdout] 412 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: this warning originates in the macro `custom_tokens` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:379:31 [INFO] [stdout] | [INFO] [stdout] 379 | pub struct $name (pub Span); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 401 | / custom_tokens! { [INFO] [stdout] 402 | | // Root attribute name [INFO] [stdout] 403 | | (Snec, "snec"), [INFO] [stdout] ... | [INFO] [stdout] 407 | | (Receiver, "receiver"), [INFO] [stdout] | | -------- field in this struct [INFO] [stdout] ... | [INFO] [stdout] 411 | | (EntryModuleAttributes, "entry_module_attributes"), [INFO] [stdout] 412 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: this warning originates in the macro `custom_tokens` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `visibility`, `struct_token`, `generics`, and `braces` are never read [INFO] [stdout] --> src/drv_config_table/ast/struct_input.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct ConfigTableStruct { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 15 | pub attrs: Vec, [INFO] [stdout] 16 | pub visibility: Visibility, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 17 | pub struct_token: Token![struct], [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 18 | pub ident: Ident, [INFO] [stdout] 19 | pub generics: Generics, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 20 | pub braces: token::Brace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pound`, `brackets`, and `parentheses` are never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct SnecAttribute { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 20 | pub pound: Token![#], [INFO] [stdout] | ^^^^^ [INFO] [stdout] 21 | pub brackets: token::Bracket, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 22 | pub path_span: Span, [INFO] [stdout] 23 | pub parentheses: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 126 | Entry { [INFO] [stdout] | ----- field in this variant [INFO] [stdout] 127 | name: custom_token::Entry, [INFO] [stdout] 128 | parentheses: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 138 | UseEntry { [INFO] [stdout] | -------- field in this variant [INFO] [stdout] 139 | name: custom_token::UseEntry, [INFO] [stdout] 140 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 150 | EntryModule { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 151 | name: custom_token::EntryModule, [INFO] [stdout] 152 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 161 | EntryModuleVisibility { [INFO] [stdout] | --------------------- field in this variant [INFO] [stdout] 162 | name: custom_token::EntryModuleVisibility, [INFO] [stdout] 163 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parentheses` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:177:9 [INFO] [stdout] | [INFO] [stdout] 175 | EntryModuleAttributes { [INFO] [stdout] | --------------------- field in this variant [INFO] [stdout] 176 | name: custom_token::EntryModuleAttributes, [INFO] [stdout] 177 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `parentheses`, `braces`, and `colon` are never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 186 | Receiver { [INFO] [stdout] | -------- fields in this variant [INFO] [stdout] 187 | name: custom_token::Receiver, [INFO] [stdout] | ^^^^ [INFO] [stdout] 188 | parentheses: token::Paren, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 189 | braces: token::Brace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | colon: Token![:], [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:379:31 [INFO] [stdout] | [INFO] [stdout] 379 | pub struct $name (pub Span); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 401 | / custom_tokens! { [INFO] [stdout] 402 | | // Root attribute name [INFO] [stdout] 403 | | (Snec, "snec"), [INFO] [stdout] | | ---- field in this struct [INFO] [stdout] ... | [INFO] [stdout] 411 | | (EntryModuleAttributes, "entry_module_attributes"), [INFO] [stdout] 412 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: this warning originates in the macro `custom_tokens` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/drv_config_table/ast/snec_attribute.rs:379:31 [INFO] [stdout] | [INFO] [stdout] 379 | pub struct $name (pub Span); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 401 | / custom_tokens! { [INFO] [stdout] 402 | | // Root attribute name [INFO] [stdout] 403 | | (Snec, "snec"), [INFO] [stdout] ... | [INFO] [stdout] 407 | | (Receiver, "receiver"), [INFO] [stdout] | | -------- field in this struct [INFO] [stdout] ... | [INFO] [stdout] 411 | | (EntryModuleAttributes, "entry_module_attributes"), [INFO] [stdout] 412 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: this warning originates in the macro `custom_tokens` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `visibility`, `struct_token`, `generics`, and `braces` are never read [INFO] [stdout] --> src/drv_config_table/ast/struct_input.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct ConfigTableStruct { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 15 | pub attrs: Vec, [INFO] [stdout] 16 | pub visibility: Visibility, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 17 | pub struct_token: Token![struct], [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 18 | pub ident: Ident, [INFO] [stdout] 19 | pub generics: Generics, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 20 | pub braces: token::Brace, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "656f32f528169820eddd68156b4106bb81e659f059ccdd7f355c61d2d0e35555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "656f32f528169820eddd68156b4106bb81e659f059ccdd7f355c61d2d0e35555", kill_on_drop: false }` [INFO] [stdout] 656f32f528169820eddd68156b4106bb81e659f059ccdd7f355c61d2d0e35555