[INFO] fetching crate ufmt-utils 0.2.0...
[INFO] checking ufmt-utils-0.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate ufmt-utils 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ufmt-utils 0.2.0 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 ufmt-utils 0.2.0
[INFO] finished tweaking crates.io crate ufmt-utils 0.2.0
[INFO] tweaked toml for crates.io crate ufmt-utils 0.2.0 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 20 packages to latest compatible versions
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[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 ufmt-macros v0.3.0
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded ufmt v0.2.0
[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] c2d8880811ed96fcc68e936c7a29243af07b02fbab23e27d8d47ddf7684afdc8
[INFO] running `Command { std: "docker" "start" "-a" "c2d8880811ed96fcc68e936c7a29243af07b02fbab23e27d8d47ddf7684afdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d8880811ed96fcc68e936c7a29243af07b02fbab23e27d8d47ddf7684afdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d8880811ed96fcc68e936c7a29243af07b02fbab23e27d8d47ddf7684afdc8", kill_on_drop: false }`
[INFO] [stdout] c2d8880811ed96fcc68e936c7a29243af07b02fbab23e27d8d47ddf7684afdc8
[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] 7998d4e1d5c17c5ccee917c0c79c722f8fffa565c773aecbe45a71660d35cfa6
[INFO] running `Command { std: "docker" "start" "-a" "7998d4e1d5c17c5ccee917c0c79c722f8fffa565c773aecbe45a71660d35cfa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking ufmt-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "7998d4e1d5c17c5ccee917c0c79c722f8fffa565c773aecbe45a71660d35cfa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7998d4e1d5c17c5ccee917c0c79c722f8fffa565c773aecbe45a71660d35cfa6", kill_on_drop: false }`
[INFO] [stdout] 7998d4e1d5c17c5ccee917c0c79c722f8fffa565c773aecbe45a71660d35cfa6