[INFO] fetching crate actix-web-error-derive 0.2.0...
[INFO] checking actix-web-error-derive-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate actix-web-error-derive 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate actix-web-error-derive 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-web-error-derive 0.2.0
[INFO] finished tweaking crates.io crate actix-web-error-derive 0.2.0
[INFO] tweaked toml for crates.io crate actix-web-error-derive 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024856cdfb132e93252fe7837db339b19fa3b8f454409816aac8c4b68975c1fd
[INFO] running `Command { std: "docker" "start" "-a" "024856cdfb132e93252fe7837db339b19fa3b8f454409816aac8c4b68975c1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024856cdfb132e93252fe7837db339b19fa3b8f454409816aac8c4b68975c1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024856cdfb132e93252fe7837db339b19fa3b8f454409816aac8c4b68975c1fd", kill_on_drop: false }`
[INFO] [stdout] 024856cdfb132e93252fe7837db339b19fa3b8f454409816aac8c4b68975c1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21f42d71599a5dec2345bf8353b60f6a0cf85a95193c651c34a38e4229e3fbdb
[INFO] running `Command { std: "docker" "start" "-a" "21f42d71599a5dec2345bf8353b60f6a0cf85a95193c651c34a38e4229e3fbdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking actix-web-error-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/input.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Struct<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 14 |     pub original: &'a DeriveInput,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `original` and `attrs` are never read
[INFO] [stdout]   --> src/input.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Enum<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 22 |     pub original: &'a DeriveInput,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 23 |     pub attrs: Attrs<'a>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/input.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Variant<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 30 |     pub original: &'a syn::Variant,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `original` and `attrs` are never read
[INFO] [stdout]   --> src/input.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 37 |     pub original: &'a syn::Field,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 38 |     pub attrs: Attrs<'a>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/input.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Struct<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 14 |     pub original: &'a DeriveInput,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `original` and `attrs` are never read
[INFO] [stdout]   --> src/input.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Enum<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 22 |     pub original: &'a DeriveInput,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 23 |     pub attrs: Attrs<'a>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/input.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Variant<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 30 |     pub original: &'a syn::Variant,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `original` and `attrs` are never read
[INFO] [stdout]   --> src/input.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Field<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 37 |     pub original: &'a syn::Field,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 38 |     pub attrs: Attrs<'a>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "21f42d71599a5dec2345bf8353b60f6a0cf85a95193c651c34a38e4229e3fbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f42d71599a5dec2345bf8353b60f6a0cf85a95193c651c34a38e4229e3fbdb", kill_on_drop: false }`
[INFO] [stdout] 21f42d71599a5dec2345bf8353b60f6a0cf85a95193c651c34a38e4229e3fbdb