[INFO] fetching crate raffl-macro 0.1.1...
[INFO] checking raffl-macro-0.1.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate raffl-macro 0.1.1 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate raffl-macro 0.1.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67e4eb9754a2071bbd2ea66780d1f8372e7488b4c9380230a94dd8c68fca5297
[INFO] running `Command { std: "docker" "start" "-a" "67e4eb9754a2071bbd2ea66780d1f8372e7488b4c9380230a94dd8c68fca5297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67e4eb9754a2071bbd2ea66780d1f8372e7488b4c9380230a94dd8c68fca5297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e4eb9754a2071bbd2ea66780d1f8372e7488b4c9380230a94dd8c68fca5297", kill_on_drop: false }`
[INFO] [stdout] 67e4eb9754a2071bbd2ea66780d1f8372e7488b4c9380230a94dd8c68fca5297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b05058880d89f99368da249c8c23aaf0157cd640b280410b8890aa92995d926f
[INFO] running `Command { std: "docker" "start" "-a" "b05058880d89f99368da249c8c23aaf0157cd640b280410b8890aa92995d926f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking syn v2.0.104
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]    Compiling serde_derive v1.0.219
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking trybuild v1.0.105
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.96s
[INFO] running `Command { std: "docker" "inspect" "b05058880d89f99368da249c8c23aaf0157cd640b280410b8890aa92995d926f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05058880d89f99368da249c8c23aaf0157cd640b280410b8890aa92995d926f", kill_on_drop: false }`
[INFO] [stdout] b05058880d89f99368da249c8c23aaf0157cd640b280410b8890aa92995d926f