[INFO] fetching crate ssz-json 0.0.2...
[INFO] checking ssz-json-0.0.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate ssz-json 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ssz-json 0.0.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", 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] e562dd0ed6871e52deb4d8a718a412326b01aabdd5eb17e336a1c116afb29048
[INFO] running `Command { std: "docker" "start" "-a" "e562dd0ed6871e52deb4d8a718a412326b01aabdd5eb17e336a1c116afb29048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e562dd0ed6871e52deb4d8a718a412326b01aabdd5eb17e336a1c116afb29048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e562dd0ed6871e52deb4d8a718a412326b01aabdd5eb17e336a1c116afb29048", kill_on_drop: false }`
[INFO] [stdout] e562dd0ed6871e52deb4d8a718a412326b01aabdd5eb17e336a1c116afb29048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b5d8af1dd5dce954547245cc6aaf4fa905ab32321e66813fe92f7ac80af0e0
[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" "27b5d8af1dd5dce954547245cc6aaf4fa905ab32321e66813fe92f7ac80af0e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling heapsize v0.4.2
[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 syn v0.15.44
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking hash-db v0.11.0
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]    Compiling indexmap v1.6.1
[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 tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]    Compiling ssz-derive v0.1.2
[INFO] [stderr]     Checking parity-codec v3.5.4
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking primitive-types v0.3.0
[INFO] [stderr]     Checking primitive-types v0.2.4
[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 20.46s
[INFO] running `Command { std: "docker" "inspect" "27b5d8af1dd5dce954547245cc6aaf4fa905ab32321e66813fe92f7ac80af0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b5d8af1dd5dce954547245cc6aaf4fa905ab32321e66813fe92f7ac80af0e0", kill_on_drop: false }`
[INFO] [stdout] 27b5d8af1dd5dce954547245cc6aaf4fa905ab32321e66813fe92f7ac80af0e0