[INFO] cloning repository https://github.com/andrzejwitkowski/with_block_macro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrzejwitkowski/with_block_macro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrzejwitkowski%2Fwith_block_macro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrzejwitkowski%2Fwith_block_macro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c1996a129080148614cfcb7ce64be9977497b00 [INFO] checking andrzejwitkowski/with_block_macro against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrzejwitkowski%2Fwith_block_macro" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/andrzejwitkowski/with_block_macro [INFO] finished tweaking git repo https://github.com/andrzejwitkowski/with_block_macro [INFO] tweaked toml for git repo https://github.com/andrzejwitkowski/with_block_macro written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/andrzejwitkowski/with_block_macro on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/andrzejwitkowski/with_block_macro already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fad6195b282bfea3239a47d7f246877ee109d002a7530751289f68ed046b0ea3 [INFO] running `Command { std: "docker" "start" "-a" "fad6195b282bfea3239a47d7f246877ee109d002a7530751289f68ed046b0ea3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fad6195b282bfea3239a47d7f246877ee109d002a7530751289f68ed046b0ea3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fad6195b282bfea3239a47d7f246877ee109d002a7530751289f68ed046b0ea3", kill_on_drop: false }` [INFO] [stdout] fad6195b282bfea3239a47d7f246877ee109d002a7530751289f68ed046b0ea3 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c80640a2adedf77f17293807f634f587c7e2059bd1caffa4cc74de3d23b27bb6 [INFO] running `Command { std: "docker" "start" "-a" "c80640a2adedf77f17293807f634f587c7e2059bd1caffa4cc74de3d23b27bb6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Checking unicode-ident v1.0.18 [INFO] [stderr] Checking quote v1.0.39 [INFO] [stderr] Checking syn v2.0.99 [INFO] [stderr] Checking trailing_closure_macro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Ident`, `Pat`, `Token`, `parse2`, `parse::ParseStream`, `parse_macro_input`, `parse_quote`, and `punctuated::Punctuated` [INFO] [stdout] --> src/lib.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | ...::{parse2, Expr, Block, parse_macro_input, parse_quote, Pat, Token, parse::Parse, parse::ParseStream, punctuated::Punctuated, Ident}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^ ^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ident`, `Pat`, `Token`, `parse2`, `parse::ParseStream`, `parse_macro_input`, `parse_quote`, and `punctuated::Punctuated` [INFO] [stdout] --> src/lib.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | ...::{parse2, Expr, Block, parse_macro_input, parse_quote, Pat, Token, parse::Parse, parse::ParseStream, punctuated::Punctuated, Ident}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^ ^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parse::Parse` [INFO] [stdout] --> src/lib.rs:3:76 [INFO] [stdout] | [INFO] [stdout] 3 | use syn::{parse2, Expr, Block, parse_macro_input, parse_quote, Pat, Token, parse::Parse, parse::ParseStream, punctuated::Punctuated, ... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parse::Parse` [INFO] [stdout] --> src/lib.rs:3:76 [INFO] [stdout] | [INFO] [stdout] 3 | use syn::{parse2, Expr, Block, parse_macro_input, parse_quote, Pat, Token, parse::Parse, parse::ParseStream, punctuated::Punctuated, ... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:25 [INFO] [stdout] | [INFO] [stdout] 110 | let mut rest_of_stmt = &stmt_str[start_idx + end_idx + 2..]; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `params_tokens` [INFO] [stdout] --> src/lib.rs:44:23 [INFO] [stdout] | [INFO] [stdout] 44 | let (call_tokens, params_tokens): (TokenStream, Option) = if let Some(params_pos) = params_start { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_params_tokens` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:25 [INFO] [stdout] | [INFO] [stdout] 110 | let mut rest_of_stmt = &stmt_str[start_idx + end_idx + 2..]; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `params_tokens` [INFO] [stdout] --> src/lib.rs:44:23 [INFO] [stdout] | [INFO] [stdout] 44 | let (call_tokens, params_tokens): (TokenStream, Option) = if let Some(params_pos) = params_start { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_params_tokens` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ident`, `Pat`, `Token`, `parse2`, `parse::ParseStream`, `parse_macro_input`, `parse_quote`, and `punctuated::Punctuated` [INFO] [stdout] --> src/lib.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | ...::{parse2, Expr, Block, parse_macro_input, parse_quote, Pat, Token, parse::Parse, parse::ParseStream, punctuated::Punctuated, Ident}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^ ^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parse::Parse` [INFO] [stdout] --> src/lib.rs:3:76 [INFO] [stdout] | [INFO] [stdout] 3 | use syn::{parse2, Expr, Block, parse_macro_input, parse_quote, Pat, Token, parse::Parse, parse::ParseStream, punctuated::Punctuated, ... [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:110:25 [INFO] [stdout] | [INFO] [stdout] 110 | let mut rest_of_stmt = &stmt_str[start_idx + end_idx + 2..]; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `params_tokens` [INFO] [stdout] --> src/lib.rs:44:23 [INFO] [stdout] | [INFO] [stdout] 44 | let (call_tokens, params_tokens): (TokenStream, Option) = if let Some(params_pos) = params_start { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_params_tokens` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Input: takes_closure() { value = 42; } [INFO] [stderr] Result: takes_closure(|| { value = 42; }) [INFO] [stderr] Input: test_struct.method_with_closure() { value = 42; } [INFO] [stderr] Result: test_struct.method_with_closure(|| { value = 42; }) [INFO] [stderr] Input: function_with_args(10) { value = 42; } [INFO] [stderr] Result: function_with_args(10, || { value = 42; }) [INFO] [stderr] Input: function_with_args(10, 20) { value = 42; } [INFO] [stderr] Result: function_with_args(10, 20, || { value = 42; }) [INFO] [stderr] Input: higher_order() [INFO] [stderr] { |num: i32, text: &str| format!("Number: {}, Text: {}", num, text) } [INFO] [stderr] Result: higher_order(| num : i32, text : & str | [INFO] [stderr] { format! ("Number: {}, Text: {}", num, text) }) [INFO] [stderr] Input: higher_order() { |num, text| format!("Number: {}, Text: {}", num, text) } [INFO] [stderr] Result: higher_order(| num, text | { format! ("Number: {}, Text: {}", num, text) }) [INFO] [stderr] Input: higher_order() [INFO] [stderr] { [INFO] [stderr] |num, text| [INFO] [stderr] { [INFO] [stderr] println!("Number: {}, Text: {}", num, text); [INFO] [stderr] format!("Another line of code") [INFO] [stderr] } [INFO] [stderr] } [INFO] [stderr] Result: higher_order(| num, text | [INFO] [stderr] { [INFO] [stderr] { [INFO] [stderr] println! ("Number: {}, Text: {}", num, text); format! [INFO] [stderr] ("Another line of code") [INFO] [stderr] } [INFO] [stderr] }) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s [INFO] running `Command { std: "docker" "inspect" "c80640a2adedf77f17293807f634f587c7e2059bd1caffa4cc74de3d23b27bb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c80640a2adedf77f17293807f634f587c7e2059bd1caffa4cc74de3d23b27bb6", kill_on_drop: false }` [INFO] [stdout] c80640a2adedf77f17293807f634f587c7e2059bd1caffa4cc74de3d23b27bb6