[INFO] fetching crate css-parser 0.2.0...
[INFO] checking css-parser-0.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate css-parser 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate css-parser 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 css-parser 0.2.0
[INFO] finished tweaking crates.io crate css-parser 0.2.0
[INFO] tweaked toml for crates.io crate css-parser 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate css-parser 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokenizer-lib v1.2.0
[INFO] [stderr]   Downloaded derive_more v0.99.16
[INFO] [stderr]   Downloaded argh_derive v0.1.6
[INFO] [stderr]   Downloaded terminal_size v0.1.16
[INFO] [stderr]   Downloaded console v0.14.0
[INFO] [stderr]   Downloaded argh_shared v0.1.6
[INFO] [stderr]   Downloaded argh v0.1.6
[INFO] [stderr]   Downloaded source-map v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] de82468b4dee80680cabf5a5a6979d3055dbe0c8d91ed1b77387338f14d1f883
[INFO] running `Command { std: "docker" "start" "-a" "de82468b4dee80680cabf5a5a6979d3055dbe0c8d91ed1b77387338f14d1f883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de82468b4dee80680cabf5a5a6979d3055dbe0c8d91ed1b77387338f14d1f883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de82468b4dee80680cabf5a5a6979d3055dbe0c8d91ed1b77387338f14d1f883", kill_on_drop: false }`
[INFO] [stdout] de82468b4dee80680cabf5a5a6979d3055dbe0c8d91ed1b77387338f14d1f883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c8446e10ba2e5508f4229a7d29b3949f4c33ead9850f06127d56ce0112e9cdc5
[INFO] running `Command { std: "docker" "start" "-a" "c8446e10ba2e5508f4229a7d29b3949f4c33ead9850f06127d56ce0112e9cdc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking tokenizer-lib v1.2.0
[INFO] [stderr]     Checking source-map v0.5.0
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking css-parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "c8446e10ba2e5508f4229a7d29b3949f4c33ead9850f06127d56ce0112e9cdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8446e10ba2e5508f4229a7d29b3949f4c33ead9850f06127d56ce0112e9cdc5", kill_on_drop: false }`
[INFO] [stdout] c8446e10ba2e5508f4229a7d29b3949f4c33ead9850f06127d56ce0112e9cdc5