[INFO] fetching crate auk 0.5.0...
[INFO] checking auk-0.5.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate auk 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate auk 0.5.0 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 auk 0.5.0
[INFO] finished tweaking crates.io crate auk 0.5.0
[INFO] tweaked toml for crates.io crate auk 0.5.0 written to /workspace/builds/worker-4-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 27 packages to latest compatible versions
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[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 similar v2.6.0
[INFO] [stderr]   Downloaded insta v1.39.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 951aa676716a54bb98486e87edb895f889ac9398b0a216d71be64b7f586a9d97
[INFO] running `Command { std: "docker" "start" "-a" "951aa676716a54bb98486e87edb895f889ac9398b0a216d71be64b7f586a9d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "951aa676716a54bb98486e87edb895f889ac9398b0a216d71be64b7f586a9d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951aa676716a54bb98486e87edb895f889ac9398b0a216d71be64b7f586a9d97", kill_on_drop: false }`
[INFO] [stdout] 951aa676716a54bb98486e87edb895f889ac9398b0a216d71be64b7f586a9d97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c2536eff6c090b59a57fcdb6887291fbeb95af65a2cc9be02ebeb9a7510d1ef5
[INFO] running `Command { std: "docker" "start" "-a" "c2536eff6c090b59a57fcdb6887291fbeb95af65a2cc9be02ebeb9a7510d1ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking auk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]   --> src/lib.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 self.attrs.remove(&name);
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking insta v1.39.0
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]   --> src/lib.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 self.attrs.remove(&name);
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "c2536eff6c090b59a57fcdb6887291fbeb95af65a2cc9be02ebeb9a7510d1ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2536eff6c090b59a57fcdb6887291fbeb95af65a2cc9be02ebeb9a7510d1ef5", kill_on_drop: false }`
[INFO] [stdout] c2536eff6c090b59a57fcdb6887291fbeb95af65a2cc9be02ebeb9a7510d1ef5