[INFO] fetching crate cwiid 0.1.15...
[INFO] checking cwiid-0.1.15 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate cwiid 0.1.15 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cwiid 0.1.15 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 crates.io crate cwiid 0.1.15
[INFO] finished tweaking crates.io crate cwiid 0.1.15
[INFO] tweaked toml for crates.io crate cwiid 0.1.15 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded libcwiid-sys v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b7677df47e6e87b886dc951be7ee4b2727746fddfc7257f30379efd97e2a4b69
[INFO] running `Command { std: "docker" "start" "-a" "b7677df47e6e87b886dc951be7ee4b2727746fddfc7257f30379efd97e2a4b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7677df47e6e87b886dc951be7ee4b2727746fddfc7257f30379efd97e2a4b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7677df47e6e87b886dc951be7ee4b2727746fddfc7257f30379efd97e2a4b69", kill_on_drop: false }`
[INFO] [stdout] b7677df47e6e87b886dc951be7ee4b2727746fddfc7257f30379efd97e2a4b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d923884a2bced2261932ebd0841d7b1d8988ab8405e82be94289051bb4b329f3
[INFO] running `Command { std: "docker" "start" "-a" "d923884a2bced2261932ebd0841d7b1d8988ab8405e82be94289051bb4b329f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcwiid-sys v0.1.18
[INFO] [stderr]     Checking cwiid v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]  --> src/result_extensions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Invert<T, E> {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 3 |     fn invert(self) -> Result<E, T>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]  --> src/result_extensions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Invert<T, E> {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 3 |     fn invert(self) -> Result<E, T>;
[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 0.61s
[INFO] running `Command { std: "docker" "inspect" "d923884a2bced2261932ebd0841d7b1d8988ab8405e82be94289051bb4b329f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d923884a2bced2261932ebd0841d7b1d8988ab8405e82be94289051bb4b329f3", kill_on_drop: false }`
[INFO] [stdout] d923884a2bced2261932ebd0841d7b1d8988ab8405e82be94289051bb4b329f3