[INFO] fetching crate raffl-macro 0.1.1...
[INFO] fixing raffl-macro-0.1.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate raffl-macro 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate raffl-macro 0.1.1
[INFO] finished tweaking crates.io crate raffl-macro 0.1.1
[INFO] tweaked toml for crates.io crate raffl-macro 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate raffl-macro 0.1.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b
[INFO] running `Command { std: "docker" "start" "f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b", 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" "f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking raffl-macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct CallbackWrapperArg {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 83 |     typ: CallbackWrapperArgType,
[INFO] [stdout] 84 |     value: CallbackWrapperArgValue,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct CallbackWrapperArg {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 83 |     typ: CallbackWrapperArgType,
[INFO] [stdout] 84 |     value: CallbackWrapperArgValue,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trybuild v1.0.117
[INFO] [stderr] impl TestStruct
[INFO] [stderr] {
[INFO] [stderr]     #[params(!slf: *mut std::ffi::c_void, ...)] pub fn
[INFO] [stderr]     do_return(& self, a : i32, b : i32) -> i32 { a + b }
[INFO] [stderr]     #[params(!slf: *mut std::ffi::c_void, ...)] pub fn
[INFO] [stderr]     do_result(& self, a : i32, b : i32) -> Result < i32 > { Ok(a + b) }
[INFO] [stderr] } pub mod teststruct_callbacks
[INFO] [stderr] {
[INFO] [stderr]     use super :: * ; #[no_mangle] pub extern "C" fn
[INFO] [stderr]     do_return(slf : * mut std :: ffi :: c_void, a : i32, b : i32) -> i32
[INFO] [stderr]     { let slf : & mut TestStruct = slf.into(); slf.do_return(a, b) }
[INFO] [stderr]     #[no_mangle] pub extern "C" fn
[INFO] [stderr]     do_result(slf : * mut std :: ffi :: c_void, a : i32, b : i32)
[INFO] [stderr]     { let slf : & mut TestStruct = slf.into(); slf.do_result(a, b).unwrap(); }
[INFO] [stderr] }
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct CallbackWrapperArg {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 83 |     typ: CallbackWrapperArgType,
[INFO] [stdout] 84 |     value: CallbackWrapperArgValue,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.33s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b", kill_on_drop: false }`
[INFO] [stdout] f9782699574295db55028681dc7d64ae0f688381db5b694bb3844af87dccf17b
