[INFO] fetching crate nbuild-core 0.1.2...
[INFO] checking nbuild-core-0.1.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate nbuild-core 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nbuild-core 0.1.2 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 nbuild-core 0.1.2
[INFO] finished tweaking crates.io crate nbuild-core 0.1.2
[INFO] tweaked toml for crates.io crate nbuild-core 0.1.2 written to /workspace/builds/worker-6-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 47 packages to latest compatible versions
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (latest: v0.18.1)
[INFO] [stderr]       Adding cfg-expr v0.15.8 (latest: v0.16.0)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding target-spec v1.4.0 (latest: v3.2.1)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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 cargo-lock v9.0.0
[INFO] [stderr]   Downloaded guppy-workspace-hack v0.1.0
[INFO] [stderr]   Downloaded target-spec v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2122197eb926553749c6556c225d4d44681743fbcd49df4aba3ab7e83d4c5536
[INFO] running `Command { std: "docker" "start" "-a" "2122197eb926553749c6556c225d4d44681743fbcd49df4aba3ab7e83d4c5536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2122197eb926553749c6556c225d4d44681743fbcd49df4aba3ab7e83d4c5536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2122197eb926553749c6556c225d4d44681743fbcd49df4aba3ab7e83d4c5536", kill_on_drop: false }`
[INFO] [stdout] 2122197eb926553749c6556c225d4d44681743fbcd49df4aba3ab7e83d4c5536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d2fe5bd0d898219a15be8c09a918c16e157e8456a28bc37a77200e4c0bc7844b
[INFO] running `Command { std: "docker" "start" "-a" "d2fe5bd0d898219a15be8c09a918c16e157e8456a28bc37a77200e4c0bc7844b", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling target-spec v1.4.0
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking cfg-expr v0.15.8
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking cargo-lock v9.0.0
[INFO] [stderr]     Checking nbuild-core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `Command { std: "docker" "inspect" "d2fe5bd0d898219a15be8c09a918c16e157e8456a28bc37a77200e4c0bc7844b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fe5bd0d898219a15be8c09a918c16e157e8456a28bc37a77200e4c0bc7844b", kill_on_drop: false }`
[INFO] [stdout] d2fe5bd0d898219a15be8c09a918c16e157e8456a28bc37a77200e4c0bc7844b