[INFO] fetching crate ethereum 0.4.2...
[INFO] checking ethereum-0.4.2 against beta for pr-78714
[INFO] extracting crate ethereum 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ethereum 0.4.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum 0.4.2
[INFO] finished tweaking crates.io crate ethereum 0.4.2
[INFO] tweaked toml for crates.io crate ethereum 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bee9fed0b6bc4f32fa529fc8792ea84a5b532b09f7a0ee93f72adbe17ff64add
[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" "bee9fed0b6bc4f32fa529fc8792ea84a5b532b09f7a0ee93f72adbe17ff64add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee9fed0b6bc4f32fa529fc8792ea84a5b532b09f7a0ee93f72adbe17ff64add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee9fed0b6bc4f32fa529fc8792ea84a5b532b09f7a0ee93f72adbe17ff64add", kill_on_drop: false }`
[INFO] [stdout] bee9fed0b6bc4f32fa529fc8792ea84a5b532b09f7a0ee93f72adbe17ff64add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7db5c1686af986f79404747e9d083272e764af8d60dac86afc23166eb23cdb2
[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" "b7db5c1686af986f79404747e9d083272e764af8d60dac86afc23166eb23cdb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking triehash v0.8.3
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking ethereum v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "b7db5c1686af986f79404747e9d083272e764af8d60dac86afc23166eb23cdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7db5c1686af986f79404747e9d083272e764af8d60dac86afc23166eb23cdb2", kill_on_drop: false }`
[INFO] [stdout] b7db5c1686af986f79404747e9d083272e764af8d60dac86afc23166eb23cdb2