[INFO] fetching crate dbf_dextractor 0.1.2...
[INFO] testing dbf_dextractor-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dbf_dextractor 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dbf_dextractor 0.1.2
[INFO] finished tweaking crates.io crate dbf_dextractor 0.1.2
[INFO] tweaked toml for crates.io crate dbf_dextractor 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dbf_dextractor 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 831f07b16da7b0ab9204340b297487fad2412f43f72b292f6fe7d4ac2a8cc1a4
[INFO] running `Command { std: "docker" "start" "-a" "831f07b16da7b0ab9204340b297487fad2412f43f72b292f6fe7d4ac2a8cc1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "831f07b16da7b0ab9204340b297487fad2412f43f72b292f6fe7d4ac2a8cc1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831f07b16da7b0ab9204340b297487fad2412f43f72b292f6fe7d4ac2a8cc1a4", kill_on_drop: false }`
[INFO] [stdout] 831f07b16da7b0ab9204340b297487fad2412f43f72b292f6fe7d4ac2a8cc1a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b561a60915e78da6e7ac5937fee13c8835b0add5f20135fe6aca7529b91976
[INFO] running `Command { std: "docker" "start" "-a" "a7b561a60915e78da6e7ac5937fee13c8835b0add5f20135fe6aca7529b91976", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling dbf_dextractor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde::export`
[INFO] [stdout]  --> src/error.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::export::Formatter;
[INFO] [stdout]   |            ^^^^^^ could not find `export` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `header::Header`
[INFO] [stdout]  --> src/dbf/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use header::Header;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |     source: Option<Box<(dyn StdError + 'static)>>,
[INFO] [stdout]    |                        ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     source: Option<Box<(dyn StdError + 'static)>>,
[INFO] [stdout] 24 +     source: Option<Box<dyn StdError + 'static>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dbf_dextractor` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a7b561a60915e78da6e7ac5937fee13c8835b0add5f20135fe6aca7529b91976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b561a60915e78da6e7ac5937fee13c8835b0add5f20135fe6aca7529b91976", kill_on_drop: false }`
[INFO] [stdout] a7b561a60915e78da6e7ac5937fee13c8835b0add5f20135fe6aca7529b91976