[INFO] fetching crate ffi-convert-derive 0.5.0...
[INFO] checking ffi-convert-derive-0.5.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate ffi-convert-derive 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ffi-convert-derive 0.5.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24712acc232d902a4b3c55d9c0c74fe77027a07a2568857c240af37b4f726c49
[INFO] running `Command { std: "docker" "start" "-a" "24712acc232d902a4b3c55d9c0c74fe77027a07a2568857c240af37b4f726c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24712acc232d902a4b3c55d9c0c74fe77027a07a2568857c240af37b4f726c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24712acc232d902a4b3c55d9c0c74fe77027a07a2568857c240af37b4f726c49", kill_on_drop: false }`
[INFO] [stdout] 24712acc232d902a4b3c55d9c0c74fe77027a07a2568857c240af37b4f726c49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c0a4920b10e751ba4bcddf77d80462efc3a174e1144893a1742139e66eab53
[INFO] running `Command { std: "docker" "start" "-a" "e8c0a4920b10e751ba4bcddf77d80462efc3a174e1144893a1742139e66eab53", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ffi-convert-derive v0.5.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/asrust.rs (1 fix)
[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: 2 warnings emitted
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ffi-convert-derive v0.5.0 (/tmp/fixit)
[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: 2 warnings emitted
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "e8c0a4920b10e751ba4bcddf77d80462efc3a174e1144893a1742139e66eab53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c0a4920b10e751ba4bcddf77d80462efc3a174e1144893a1742139e66eab53", kill_on_drop: false }`
[INFO] [stdout] e8c0a4920b10e751ba4bcddf77d80462efc3a174e1144893a1742139e66eab53