[INFO] fetching crate tc-rpc-server 2.0.0...
[INFO] checking tc-rpc-server-2.0.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate tc-rpc-server 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tc-rpc-server 2.0.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] finished tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] tweaked toml for crates.io crate tc-rpc-server 2.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ce27609d913b822cbf74e28affc81553bd4387578ffe493b9fc0359aac2e660
[INFO] running `Command { std: "docker" "start" "-a" "9ce27609d913b822cbf74e28affc81553bd4387578ffe493b9fc0359aac2e660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce27609d913b822cbf74e28affc81553bd4387578ffe493b9fc0359aac2e660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce27609d913b822cbf74e28affc81553bd4387578ffe493b9fc0359aac2e660", kill_on_drop: false }`
[INFO] [stdout] 9ce27609d913b822cbf74e28affc81553bd4387578ffe493b9fc0359aac2e660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de5e31644dd0649e24c4d192974bf70f606a76714685f6c9a7e43df80e0f87a
[INFO] running `Command { std: "docker" "start" "-a" "8de5e31644dd0649e24c4d192974bf70f606a76714685f6c9a7e43df80e0f87a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "8de5e31644dd0649e24c4d192974bf70f606a76714685f6c9a7e43df80e0f87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de5e31644dd0649e24c4d192974bf70f606a76714685f6c9a7e43df80e0f87a", kill_on_drop: false }`
[INFO] [stdout] 8de5e31644dd0649e24c4d192974bf70f606a76714685f6c9a7e43df80e0f87a