[INFO] fetching crate rusk 0.1.11...
[INFO] checking rusk-0.1.11 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate rusk 0.1.11 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rusk 0.1.11 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 rusk 0.1.11
[INFO] finished tweaking crates.io crate rusk 0.1.11
[INFO] tweaked toml for crates.io crate rusk 0.1.11 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rusk 0.1.11 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] 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] d2fbfebbb387ebd12b0f3bd5bc075f24a7721c6c4fde39c8dc6088f5f4617d30
[INFO] running `Command { std: "docker" "start" "-a" "d2fbfebbb387ebd12b0f3bd5bc075f24a7721c6c4fde39c8dc6088f5f4617d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2fbfebbb387ebd12b0f3bd5bc075f24a7721c6c4fde39c8dc6088f5f4617d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fbfebbb387ebd12b0f3bd5bc075f24a7721c6c4fde39c8dc6088f5f4617d30", kill_on_drop: false }`
[INFO] [stdout] d2fbfebbb387ebd12b0f3bd5bc075f24a7721c6c4fde39c8dc6088f5f4617d30
[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] f2c3e8c829dfaa97e2d282a82d83975d174872a5b4da27196672274bf86660d5
[INFO] running `Command { std: "docker" "start" "-a" "f2c3e8c829dfaa97e2d282a82d83975d174872a5b4da27196672274bf86660d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking rusk v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ToDocIfHasOr` is never used
[INFO] [stdout]   --> src/formatter/doc.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | trait ToDocIfHasOr
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToDocIfHasOr` is never used
[INFO] [stdout]   --> src/formatter/doc.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | trait ToDocIfHasOr
[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 6.85s
[INFO] running `Command { std: "docker" "inspect" "f2c3e8c829dfaa97e2d282a82d83975d174872a5b4da27196672274bf86660d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c3e8c829dfaa97e2d282a82d83975d174872a5b4da27196672274bf86660d5", kill_on_drop: false }`
[INFO] [stdout] f2c3e8c829dfaa97e2d282a82d83975d174872a5b4da27196672274bf86660d5