[INFO] cloning repository https://github.com/matteolutz/demex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteolutz/demex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteolutz%2Fdemex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteolutz%2Fdemex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68170fa8feed8e767e3958c5b423e7313d85ca05
[INFO] checking matteolutz/demex against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteolutz%2Fdemex" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matteolutz/demex on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matteolutz/demex
[INFO] finished tweaking git repo https://github.com/matteolutz/demex
[INFO] tweaked toml for git repo https://github.com/matteolutz/demex written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matteolutz/demex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]  Downloading crates ...
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[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84941f1ad6bc879d8c32df2423295387916ec774c2287788e959c8fd8950da65
[INFO] running `Command { std: "docker" "start" "-a" "84941f1ad6bc879d8c32df2423295387916ec774c2287788e959c8fd8950da65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84941f1ad6bc879d8c32df2423295387916ec774c2287788e959c8fd8950da65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84941f1ad6bc879d8c32df2423295387916ec774c2287788e959c8fd8950da65", kill_on_drop: false }`
[INFO] [stdout] 84941f1ad6bc879d8c32df2423295387916ec774c2287788e959c8fd8950da65
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83b8edd6845a80275e88958f621a6430ba7ca2854db38ee7fa2e00f7a535312e
[INFO] running `Command { std: "docker" "start" "-a" "83b8edd6845a80275e88958f621a6430ba7ca2854db38ee7fa2e00f7a535312e", kill_on_drop: false }`
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[INFO] [stderr]     Checking demex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `egui_ctx` is never read
[INFO] [stdout]   --> src/ui/tabs/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct DemexTabViewer<'a> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 20 |     context: &'a mut DemexUiContext,
[INFO] [stdout] 21 |     egui_ctx: &'a eframe::egui::Context,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `egui_ctx` is never read
[INFO] [stdout]   --> src/ui/tabs/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct DemexTabViewer<'a> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 20 |     context: &'a mut DemexUiContext,
[INFO] [stdout] 21 |     egui_ctx: &'a eframe::egui::Context,
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.41s
[INFO] running `Command { std: "docker" "inspect" "83b8edd6845a80275e88958f621a6430ba7ca2854db38ee7fa2e00f7a535312e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b8edd6845a80275e88958f621a6430ba7ca2854db38ee7fa2e00f7a535312e", kill_on_drop: false }`
[INFO] [stdout] 83b8edd6845a80275e88958f621a6430ba7ca2854db38ee7fa2e00f7a535312e