[INFO] cloning repository https://github.com/MissionKontrol/css_walker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MissionKontrol/css_walker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMissionKontrol%2Fcss_walker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMissionKontrol%2Fcss_walker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1283986a2fd17a7e30a7bc3004bc81a4a896c279
[INFO] checking MissionKontrol/css_walker/1283986a2fd17a7e30a7bc3004bc81a4a896c279 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMissionKontrol%2Fcss_walker" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MissionKontrol/css_walker on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MissionKontrol/css_walker
[INFO] finished tweaking git repo https://github.com/MissionKontrol/css_walker
[INFO] tweaked toml for git repo https://github.com/MissionKontrol/css_walker written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MissionKontrol/css_walker 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded ego-tree v0.6.2
[INFO] [stderr]   Downloaded scraper v0.12.0
[INFO] [stderr]   Downloaded derive_more v0.99.14
[INFO] [stderr]   Downloaded tendril v0.4.2
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6d5b9961af87f69f9a5468840bc8624b779fc71f8694d1c3b647125ad171fc0
[INFO] running `Command { std: "docker" "start" "-a" "f6d5b9961af87f69f9a5468840bc8624b779fc71f8694d1c3b647125ad171fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d5b9961af87f69f9a5468840bc8624b779fc71f8694d1c3b647125ad171fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d5b9961af87f69f9a5468840bc8624b779fc71f8694d1c3b647125ad171fc0", kill_on_drop: false }`
[INFO] [stdout] f6d5b9961af87f69f9a5468840bc8624b779fc71f8694d1c3b647125ad171fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc199bcf3fd1e5c572ed71717775889639b3df9da1d2268d473627332d0648a9
[INFO] running `Command { std: "docker" "start" "-a" "fc199bcf3fd1e5c572ed71717775889639b3df9da1d2268d473627332d0648a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]     Checking css_walker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token: `)`
[INFO] [stdout]   --> src/main.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |             println!("class {:?}", div.value().);
[INFO] [stdout]    |                                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `)`
[INFO] [stdout]   --> src/main.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |             println!("class {:?}", div.value().);
[INFO] [stdout]    |                                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `css_walker` (bin "css_walker") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `css_walker` (bin "css_walker" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fc199bcf3fd1e5c572ed71717775889639b3df9da1d2268d473627332d0648a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc199bcf3fd1e5c572ed71717775889639b3df9da1d2268d473627332d0648a9", kill_on_drop: false }`
[INFO] [stdout] fc199bcf3fd1e5c572ed71717775889639b3df9da1d2268d473627332d0648a9