[INFO] cloning repository https://github.com/mercode-org/fireframe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mercode-org/fireframe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmercode-org%2Ffireframe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmercode-org%2Ffireframe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9747177939f8de29e4826880476475b8de763465
[INFO] checking mercode-org/fireframe against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmercode-org%2Ffireframe" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mercode-org/fireframe on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mercode-org/fireframe
[INFO] finished tweaking git repo https://github.com/mercode-org/fireframe
[INFO] tweaked toml for git repo https://github.com/mercode-org/fireframe written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mercode-org/fireframe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/servo/backtrace-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/libbacktrace`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mio.git`
[INFO] [stderr]     Updating git repository `https://github.com/jdm/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/servo/servo`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webxr`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/servo/fontsan`
[INFO] [stderr]     Updating git submodule `https://github.com/khaledhosny/ots`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
[INFO] [stderr]     Updating git submodule `https://github.com/hillbig/esaxx`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lz4/lz4.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/woff2.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/brotli.git`
[INFO] [stderr]     Updating git submodule `https://github.com/hillbig/esaxx`
[INFO] [stderr]     Updating git submodule `https://github.com/madler/zlib.git`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/servo/mozjs`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/gfx-extras`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3bc9016e8380f02cfd1f9fe3cd2011684e9d4c70537aea3c42ef7d059e92070
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d3bc9016e8380f02cfd1f9fe3cd2011684e9d4c70537aea3c42ef7d059e92070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3bc9016e8380f02cfd1f9fe3cd2011684e9d4c70537aea3c42ef7d059e92070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bc9016e8380f02cfd1f9fe3cd2011684e9d4c70537aea3c42ef7d059e92070", kill_on_drop: false }`
[INFO] [stdout] d3bc9016e8380f02cfd1f9fe3cd2011684e9d4c70537aea3c42ef7d059e92070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47706ff38399b27e8de72dfc4df648c4c2a364e5eaefd32d15d5319ecd0ddad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c47706ff38399b27e8de72dfc4df648c4c2a364e5eaefd32d15d5319ecd0ddad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
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[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking svg_fmt v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking tracy-rs v0.1.2
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]     Checking half v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking moite_moite v0.2.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling net v0.0.1 (https://github.com/servo/servo?rev=39c3f46375f2baf33c46d92ab5c110766330a6d8#39c3f463)
[INFO] [stderr]     Checking mitochondria v1.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking ref_filter_map v1.0.1
[INFO] [stderr]    Compiling script_plugins v0.0.1 (https://github.com/servo/servo?rev=39c3f46375f2baf33c46d92ab5c110766330a6d8#39c3f463)
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]     Checking swapper v0.1.0
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/servo-12bfca331f128de3/39c3f46/components/script_plugins/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate rustc_ast;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `script_plugins`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c47706ff38399b27e8de72dfc4df648c4c2a364e5eaefd32d15d5319ecd0ddad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47706ff38399b27e8de72dfc4df648c4c2a364e5eaefd32d15d5319ecd0ddad", kill_on_drop: false }`
[INFO] [stdout] c47706ff38399b27e8de72dfc4df648c4c2a364e5eaefd32d15d5319ecd0ddad