[INFO] fetching crate ripvec-mcp 0.10.0...
[INFO] checking ripvec-mcp-0.10.0 against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971
[INFO] extracting crate ripvec-mcp 0.10.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ripvec-mcp 0.10.0
[INFO] finished tweaking crates.io crate ripvec-mcp 0.10.0
[INFO] tweaked toml for crates.io crate ripvec-mcp 0.10.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ripvec-mcp 0.10.0 on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ripvec-mcp 0.10.0 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7483d7f8530fd4e74d11a17b1a77e64d98fec80da5c54f0955225c8c628fa27
[INFO] running `Command { std: "docker" "start" "-a" "c7483d7f8530fd4e74d11a17b1a77e64d98fec80da5c54f0955225c8c628fa27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7483d7f8530fd4e74d11a17b1a77e64d98fec80da5c54f0955225c8c628fa27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7483d7f8530fd4e74d11a17b1a77e64d98fec80da5c54f0955225c8c628fa27", kill_on_drop: false }`
[INFO] [stdout] c7483d7f8530fd4e74d11a17b1a77e64d98fec80da5c54f0955225c8c628fa27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1adffa75217e11c63002211ccd07ee2f86805beca3cf1027e77db9e1604ec7a
[INFO] running `Command { std: "docker" "start" "-a" "b1adffa75217e11c63002211ccd07ee2f86805beca3cf1027e77db9e1604ec7a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "b1adffa75217e11c63002211ccd07ee2f86805beca3cf1027e77db9e1604ec7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1adffa75217e11c63002211ccd07ee2f86805beca3cf1027e77db9e1604ec7a", kill_on_drop: false }`
[INFO] [stdout] b1adffa75217e11c63002211ccd07ee2f86805beca3cf1027e77db9e1604ec7a