[INFO] fetching crate ssz-json 0.0.2...
[INFO] checking ssz-json-0.0.2 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate ssz-json 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ssz-json 0.0.2 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssz-json 0.0.2
[INFO] finished tweaking crates.io crate ssz-json 0.0.2
[INFO] tweaked toml for crates.io crate ssz-json 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c094498486de8fa4aa9595f8d50f7f8b72cbb36524ec6cc50ec39c80d64c0cc9
[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" "c094498486de8fa4aa9595f8d50f7f8b72cbb36524ec6cc50ec39c80d64c0cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c094498486de8fa4aa9595f8d50f7f8b72cbb36524ec6cc50ec39c80d64c0cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c094498486de8fa4aa9595f8d50f7f8b72cbb36524ec6cc50ec39c80d64c0cc9", kill_on_drop: false }`
[INFO] [stdout] c094498486de8fa4aa9595f8d50f7f8b72cbb36524ec6cc50ec39c80d64c0cc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc06876cb33f35e786a5e2ea5da3e531602440b93e8726b43467bbb1dbb3c0de
[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" "dc06876cb33f35e786a5e2ea5da3e531602440b93e8726b43467bbb1dbb3c0de", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking hash-db v0.11.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]    Compiling ssz-derive v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking parity-codec v3.5.4
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking primitive-types v0.2.4
[INFO] [stderr]     Checking primitive-types v0.3.0
[INFO] [stderr]     Checking ssz v0.1.2
[INFO] [stderr]     Checking ethereum-types v0.6.0
[INFO] [stderr]     Checking ssz-json v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.16s
[INFO] running `Command { std: "docker" "inspect" "dc06876cb33f35e786a5e2ea5da3e531602440b93e8726b43467bbb1dbb3c0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc06876cb33f35e786a5e2ea5da3e531602440b93e8726b43467bbb1dbb3c0de", kill_on_drop: false }`
[INFO] [stdout] dc06876cb33f35e786a5e2ea5da3e531602440b93e8726b43467bbb1dbb3c0de