[INFO] cloning repository https://github.com/Kimundi/do_syntax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kimundi/do_syntax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimundi%2Fdo_syntax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimundi%2Fdo_syntax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c0308322cd8c6bef268bfe8e615fcf80c12e148
[INFO] checking Kimundi/do_syntax against c397dae808f70caebab1fc4e11b3edf7e59f58c7 for pr-158759-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKimundi%2Fdo_syntax" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kimundi/do_syntax
[INFO] finished tweaking git repo https://github.com/Kimundi/do_syntax
[INFO] tweaked toml for git repo https://github.com/Kimundi/do_syntax written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kimundi/do_syntax on toolchain c397dae808f70caebab1fc4e11b3edf7e59f58c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kimundi/do_syntax 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" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "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 proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225
[INFO] running `Command { std: "docker" "start" "037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking do_macro v0.1.0 (/opt/rustwide/workdir/do_macro)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> do_macro/src/do_block.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 let v = value_or_unit(i.expr.as_deref());
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:301:37
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:313:37
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func` is never read
[INFO] [stdout]   --> do_macro/src/do_block.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct DoMacro {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 12 |     func: syn::ExprCall,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DoMacro` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bare_continue` is never read
[INFO] [stdout]    --> do_macro/src/do_block.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | struct JumpEnum {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 154 |     bare_continue: Option<DispatchTargets>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> do_macro/src/do_block.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 let v = value_or_unit(i.expr.as_deref());
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:301:37
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:313:37
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func` is never read
[INFO] [stdout]   --> do_macro/src/do_block.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct DoMacro {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 12 |     func: syn::ExprCall,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DoMacro` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bare_continue` is never read
[INFO] [stdout]    --> do_macro/src/do_block.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | struct JumpEnum {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 154 |     bare_continue: Option<DispatchTargets>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> do_macro/src/do_block.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 let v = value_or_unit(i.expr.as_deref());
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:301:37
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> do_macro/src/do_block.rs:313:37
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let i = if let Some(label) = &i.label {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func` is never read
[INFO] [stdout]   --> do_macro/src/do_block.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct DoMacro {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 12 |     func: syn::ExprCall,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DoMacro` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bare_continue` is never read
[INFO] [stdout]    --> do_macro/src/do_block.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | struct JumpEnum {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 154 |     bare_continue: Option<DispatchTargets>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking do_usage v0.1.0 (/opt/rustwide/workdir/do_usage)
[INFO] [stdout] /*
[INFO] [stdout] */
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Return` in this scope
[INFO] [stdout]  --> do_usage/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[do_scope]
[INFO] [stdout]   | ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `do_scope` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::intrinsics::mir::Return;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] /*
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] */
[INFO] [stderr] error: could not compile `do_usage` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Return` in this scope
[INFO] [stdout]  --> do_usage/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[do_scope]
[INFO] [stdout]   | ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `do_scope` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::intrinsics::mir::Return;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `do_usage` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225", kill_on_drop: false }`
[INFO] [stdout] 037aeffa95a54f563c139232f0a98cbf4ebf1a378a13b44c02f1cbcea2f88225
