[INFO] fetching crate md-designer 0.1.1...
[INFO] testing md-designer-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate md-designer 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate md-designer 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md-designer 0.1.1
[INFO] finished tweaking crates.io crate md-designer 0.1.1
[INFO] tweaked toml for crates.io crate md-designer 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate md-designer 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded xlsxwriter v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] [stderr]   Downloaded bindgen v0.54.0
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded libxlsxwriter-sys v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2167f5384df67ed449207b0b4e1e5411cdff77fbe92ca5144fd402ba71ddce4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2167f5384df67ed449207b0b4e1e5411cdff77fbe92ca5144fd402ba71ddce4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2167f5384df67ed449207b0b4e1e5411cdff77fbe92ca5144fd402ba71ddce4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2167f5384df67ed449207b0b4e1e5411cdff77fbe92ca5144fd402ba71ddce4d", kill_on_drop: false }`
[INFO] [stdout] 2167f5384df67ed449207b0b4e1e5411cdff77fbe92ca5144fd402ba71ddce4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a07fc326e55174510c5c3b576dbe90bb6f7aed6059076405da2051eef62d72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5a07fc326e55174510c5c3b576dbe90bb6f7aed6059076405da2051eef62d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling md-designer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `file_name`
[INFO] [stdout]  --> src/app.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     file_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `export_excel` found for struct `md_designer::app::App` in the current scope
[INFO] [stdout]   --> src/bin/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     app.export_excel()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ method not found in `md_designer::app::App`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `md-designer` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c5a07fc326e55174510c5c3b576dbe90bb6f7aed6059076405da2051eef62d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a07fc326e55174510c5c3b576dbe90bb6f7aed6059076405da2051eef62d72", kill_on_drop: false }`
[INFO] [stdout] c5a07fc326e55174510c5c3b576dbe90bb6f7aed6059076405da2051eef62d72