[INFO] fetching crate syntax-rust 0.4.1...
[INFO] checking syntax-rust-0.4.1 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate syntax-rust 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate syntax-rust 0.4.1 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntax-rust 0.4.1
[INFO] finished tweaking crates.io crate syntax-rust 0.4.1
[INFO] tweaked toml for crates.io crate syntax-rust 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed86d653da8da0e7fb16a3898fdb889ac64da45b6248f8a25683d91c3631bfce
[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" "ed86d653da8da0e7fb16a3898fdb889ac64da45b6248f8a25683d91c3631bfce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed86d653da8da0e7fb16a3898fdb889ac64da45b6248f8a25683d91c3631bfce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed86d653da8da0e7fb16a3898fdb889ac64da45b6248f8a25683d91c3631bfce", kill_on_drop: false }`
[INFO] [stdout] ed86d653da8da0e7fb16a3898fdb889ac64da45b6248f8a25683d91c3631bfce
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8558a358b3cc2b2632b13d9ae26af15e504c0e8a8fed5f118d3b7367d76cbc6f
[INFO] running `Command { std: "docker" "start" "-a" "8558a358b3cc2b2632b13d9ae26af15e504c0e8a8fed5f118d3b7367d76cbc6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking dialect v0.4.1
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking syntax-rust v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.79s
[INFO] running `Command { std: "docker" "inspect" "8558a358b3cc2b2632b13d9ae26af15e504c0e8a8fed5f118d3b7367d76cbc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8558a358b3cc2b2632b13d9ae26af15e504c0e8a8fed5f118d3b7367d76cbc6f", kill_on_drop: false }`
[INFO] [stdout] 8558a358b3cc2b2632b13d9ae26af15e504c0e8a8fed5f118d3b7367d76cbc6f