[INFO] fetching crate substrate-browser-utils 0.8.0-rc6...
[INFO] checking substrate-browser-utils-0.8.0-rc6 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate substrate-browser-utils 0.8.0-rc6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.8.0-rc6 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.8.0-rc6
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.8.0-rc6
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.8.0-rc6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvdb-web v0.7.0
[INFO] [stderr]   Downloaded send_wrapper v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d476022c22954ed6cc236dc34b60a5f281d329077edcaf8566ca8b990ac8f579
[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" "d476022c22954ed6cc236dc34b60a5f281d329077edcaf8566ca8b990ac8f579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d476022c22954ed6cc236dc34b60a5f281d329077edcaf8566ca8b990ac8f579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d476022c22954ed6cc236dc34b60a5f281d329077edcaf8566ca8b990ac8f579", kill_on_drop: false }`
[INFO] [stdout] d476022c22954ed6cc236dc34b60a5f281d329077edcaf8566ca8b990ac8f579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0a0e5a164cc9c7419df4d9291eb7132779674b27fe3145de23b84c6fd9be3bd
[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" "e0a0e5a164cc9c7419df4d9291eb7132779674b27fe3145de23b84c6fd9be3bd", kill_on_drop: false }`
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[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 54s
[INFO] running `Command { std: "docker" "inspect" "e0a0e5a164cc9c7419df4d9291eb7132779674b27fe3145de23b84c6fd9be3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a0e5a164cc9c7419df4d9291eb7132779674b27fe3145de23b84c6fd9be3bd", kill_on_drop: false }`
[INFO] [stdout] e0a0e5a164cc9c7419df4d9291eb7132779674b27fe3145de23b84c6fd9be3bd