[INFO] fetching crate casperlabs-proof-of-stake 0.4.1...
[INFO] checking casperlabs-proof-of-stake-0.4.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate casperlabs-proof-of-stake 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate casperlabs-proof-of-stake 0.4.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casperlabs-proof-of-stake 0.4.1
[INFO] finished tweaking crates.io crate casperlabs-proof-of-stake 0.4.1
[INFO] tweaked toml for crates.io crate casperlabs-proof-of-stake 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] f304258a6d65cf31eab9d6343bd3b90e824a51be9860a7646d30ac51ad74c428
[INFO] running `Command { std: "docker" "start" "-a" "f304258a6d65cf31eab9d6343bd3b90e824a51be9860a7646d30ac51ad74c428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f304258a6d65cf31eab9d6343bd3b90e824a51be9860a7646d30ac51ad74c428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f304258a6d65cf31eab9d6343bd3b90e824a51be9860a7646d30ac51ad74c428", kill_on_drop: false }`
[INFO] [stdout] f304258a6d65cf31eab9d6343bd3b90e824a51be9860a7646d30ac51ad74c428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 3a7bfd8e705668f14bb5545ce05d3e9dfcdfed4fb6badaf54369752d60e76180
[INFO] running `Command { std: "docker" "start" "-a" "3a7bfd8e705668f14bb5545ce05d3e9dfcdfed4fb6badaf54369752d60e76180", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking casperlabs-types v0.6.1
[INFO] [stderr]     Checking casperlabs-proof-of-stake v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "3a7bfd8e705668f14bb5545ce05d3e9dfcdfed4fb6badaf54369752d60e76180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7bfd8e705668f14bb5545ce05d3e9dfcdfed4fb6badaf54369752d60e76180", kill_on_drop: false }`
[INFO] [stdout] 3a7bfd8e705668f14bb5545ce05d3e9dfcdfed4fb6badaf54369752d60e76180