[INFO] fetching crate silkworm 0.1.0-dev.0...
[INFO] checking silkworm-0.1.0-dev.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate silkworm 0.1.0-dev.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate silkworm 0.1.0-dev.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkworm 0.1.0-dev.0
[INFO] finished tweaking crates.io crate silkworm 0.1.0-dev.0
[INFO] tweaked toml for crates.io crate silkworm 0.1.0-dev.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded silkworm_syn v0.1.0-dev.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc7093d4057900d188e2c8ada455e3c38dbeba4e9f66049174efbfe5c6c545f9
[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" "dc7093d4057900d188e2c8ada455e3c38dbeba4e9f66049174efbfe5c6c545f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7093d4057900d188e2c8ada455e3c38dbeba4e9f66049174efbfe5c6c545f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7093d4057900d188e2c8ada455e3c38dbeba4e9f66049174efbfe5c6c545f9", kill_on_drop: false }`
[INFO] [stdout] dc7093d4057900d188e2c8ada455e3c38dbeba4e9f66049174efbfe5c6c545f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a521ea46c166c7c9d897f8d63d104c1d92e23adfc8604ab6055ec7a2bdd738
[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" "28a521ea46c166c7c9d897f8d63d104c1d92e23adfc8604ab6055ec7a2bdd738", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking silkworm_err v0.1.0-dev.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking silkworm_syn v0.1.0-dev.1
[INFO] [stderr]     Checking silkworm v0.1.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.08s
[INFO] running `Command { std: "docker" "inspect" "28a521ea46c166c7c9d897f8d63d104c1d92e23adfc8604ab6055ec7a2bdd738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a521ea46c166c7c9d897f8d63d104c1d92e23adfc8604ab6055ec7a2bdd738", kill_on_drop: false }`
[INFO] [stdout] 28a521ea46c166c7c9d897f8d63d104c1d92e23adfc8604ab6055ec7a2bdd738