[INFO] fetching crate ffi-convert-derive 0.5.0...
[INFO] checking ffi-convert-derive-0.5.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ffi-convert-derive 0.5.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate ffi-convert-derive 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffi-convert-derive 0.5.0
[INFO] finished tweaking crates.io crate ffi-convert-derive 0.5.0
[INFO] tweaked toml for crates.io crate ffi-convert-derive 0.5.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dae7ffa20dd0e0340e3596827c0e0cd56c8f8bb44645c552b2a5d0ceec6855b
[INFO] running `Command { std: "docker" "start" "-a" "0dae7ffa20dd0e0340e3596827c0e0cd56c8f8bb44645c552b2a5d0ceec6855b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dae7ffa20dd0e0340e3596827c0e0cd56c8f8bb44645c552b2a5d0ceec6855b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dae7ffa20dd0e0340e3596827c0e0cd56c8f8bb44645c552b2a5d0ceec6855b", kill_on_drop: false }`
[INFO] [stdout] 0dae7ffa20dd0e0340e3596827c0e0cd56c8f8bb44645c552b2a5d0ceec6855b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8eff7bedf89c7edda85cc86176eb7c720430369445e24ee719d655846384062
[INFO] running `Command { std: "docker" "start" "-a" "e8eff7bedf89c7edda85cc86176eb7c720430369445e24ee719d655846384062", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking proc-macro2 v1.0.30
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking ffi-convert-derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `convert`
[INFO] [stdout]   --> src/utils.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub convert: syn::Expr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/utils.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub name: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/asrust.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |                   panic!(format!(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 24 | |                     "The CReprOf, AsRust, and CDrop traits cannot be derived automatically: \
[INFO] [stdout] 25 | |                     The field {} is a pointer field has too many levels of indirection \
[INFO] [stdout] 26 | |                     ({} in this case). Please implements those traits manually.",
[INFO] [stdout] 27 | |                     field_name, field.levels_of_indirection
[INFO] [stdout] 28 | |                 ))
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 panic!(
[INFO] [stdout] 24 |                     "The CReprOf, AsRust, and CDrop traits cannot be derived automatically: \
[INFO] [stdout] 25 |                     The field {} is a pointer field has too many levels of indirection \
[INFO] [stdout] 26 |                     ({} in this case). Please implements those traits manually.",
[INFO] [stdout] 27 |                     field_name, field.levels_of_indirection
[INFO] [stdout] 28 |                 )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `convert`
[INFO] [stdout]   --> src/utils.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub convert: syn::Expr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/utils.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub name: syn::Ident,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/asrust.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |                   panic!(format!(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 24 | |                     "The CReprOf, AsRust, and CDrop traits cannot be derived automatically: \
[INFO] [stdout] 25 | |                     The field {} is a pointer field has too many levels of indirection \
[INFO] [stdout] 26 | |                     ({} in this case). Please implements those traits manually.",
[INFO] [stdout] 27 | |                     field_name, field.levels_of_indirection
[INFO] [stdout] 28 | |                 ))
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 panic!(
[INFO] [stdout] 24 |                     "The CReprOf, AsRust, and CDrop traits cannot be derived automatically: \
[INFO] [stdout] 25 |                     The field {} is a pointer field has too many levels of indirection \
[INFO] [stdout] 26 |                     ({} in this case). Please implements those traits manually.",
[INFO] [stdout] 27 |                     field_name, field.levels_of_indirection
[INFO] [stdout] 28 |                 )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "e8eff7bedf89c7edda85cc86176eb7c720430369445e24ee719d655846384062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8eff7bedf89c7edda85cc86176eb7c720430369445e24ee719d655846384062", kill_on_drop: false }`
[INFO] [stdout] e8eff7bedf89c7edda85cc86176eb7c720430369445e24ee719d655846384062
