[INFO] fetching crate etcommon-block 0.5.2...
[INFO] checking etcommon-block-0.5.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate etcommon-block 0.5.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate etcommon-block 0.5.2 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 etcommon-block 0.5.2
[INFO] finished tweaking crates.io crate etcommon-block 0.5.2
[INFO] tweaked toml for crates.io crate etcommon-block 0.5.2 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e5732b469d3f5f38cdc85714cfaf18af5bc3df592fde0624d2ee779723aa5cb
[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" "4e5732b469d3f5f38cdc85714cfaf18af5bc3df592fde0624d2ee779723aa5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5732b469d3f5f38cdc85714cfaf18af5bc3df592fde0624d2ee779723aa5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5732b469d3f5f38cdc85714cfaf18af5bc3df592fde0624d2ee779723aa5cb", kill_on_drop: false }`
[INFO] [stdout] 4e5732b469d3f5f38cdc85714cfaf18af5bc3df592fde0624d2ee779723aa5cb
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ee48db437e34894baf07e732f3e3814e4d1985109be1f1a45b05a0620f3c3b
[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" "71ee48db437e34894baf07e732f3e3814e4d1985109be1f1a45b05a0620f3c3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking elastic-array-plus v0.10.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking etcommon-hexutil v0.2.4
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling secp256k1-plus v0.5.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking etcommon-rlp v0.2.5
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking etcommon-bigint v0.2.10
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking etcommon-trie v0.4.0
[INFO] [stderr]     Checking etcommon-bloom v0.2.1
[INFO] [stderr]     Checking etcommon-block-core v0.3.1
[INFO] [stderr]     Checking etcommon-block v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "71ee48db437e34894baf07e732f3e3814e4d1985109be1f1a45b05a0620f3c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ee48db437e34894baf07e732f3e3814e4d1985109be1f1a45b05a0620f3c3b", kill_on_drop: false }`
[INFO] [stdout] 71ee48db437e34894baf07e732f3e3814e4d1985109be1f1a45b05a0620f3c3b