[INFO] fetching crate silkworm_err 0.1.0-dev.1...
[INFO] checking silkworm_err-0.1.0-dev.1 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate silkworm_err 0.1.0-dev.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate silkworm_err 0.1.0-dev.1 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkworm_err 0.1.0-dev.1
[INFO] finished tweaking crates.io crate silkworm_err 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate silkworm_err 0.1.0-dev.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4f8cf044bfae1626d195fc1d0c505b4a9b13e5d3f3815279d7a91f139ee8e93
[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" "a4f8cf044bfae1626d195fc1d0c505b4a9b13e5d3f3815279d7a91f139ee8e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f8cf044bfae1626d195fc1d0c505b4a9b13e5d3f3815279d7a91f139ee8e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f8cf044bfae1626d195fc1d0c505b4a9b13e5d3f3815279d7a91f139ee8e93", kill_on_drop: false }`
[INFO] [stdout] a4f8cf044bfae1626d195fc1d0c505b4a9b13e5d3f3815279d7a91f139ee8e93
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 25abb1ba7cd2684c876d24363ff8bacd5bc0ccb998b9764053f151dc45616ccf
[INFO] running `Command { std: "docker" "start" "-a" "25abb1ba7cd2684c876d24363ff8bacd5bc0ccb998b9764053f151dc45616ccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking silkworm_err v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "25abb1ba7cd2684c876d24363ff8bacd5bc0ccb998b9764053f151dc45616ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25abb1ba7cd2684c876d24363ff8bacd5bc0ccb998b9764053f151dc45616ccf", kill_on_drop: false }`
[INFO] [stdout] 25abb1ba7cd2684c876d24363ff8bacd5bc0ccb998b9764053f151dc45616ccf