[INFO] fetching crate pareen 0.2.6...
[INFO] checking pareen-0.2.6 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate pareen 0.2.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pareen 0.2.6 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 pareen 0.2.6
[INFO] finished tweaking crates.io crate pareen 0.2.6
[INFO] tweaked toml for crates.io crate pareen 0.2.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate pareen 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] b030651b6794539ee14dd83e3e5ae82a6912f918ef17f4899cfa516e095fd225
[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" "b030651b6794539ee14dd83e3e5ae82a6912f918ef17f4899cfa516e095fd225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b030651b6794539ee14dd83e3e5ae82a6912f918ef17f4899cfa516e095fd225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b030651b6794539ee14dd83e3e5ae82a6912f918ef17f4899cfa516e095fd225", kill_on_drop: false }`
[INFO] [stdout] b030651b6794539ee14dd83e3e5ae82a6912f918ef17f4899cfa516e095fd225
[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] 965f65d6fed9ee3150b35002e6155e2f0bd9d7a8a071dd10e12ff87bd952a900
[INFO] running `Command { std: "docker" "start" "-a" "965f65d6fed9ee3150b35002e6155e2f0bd9d7a8a071dd10e12ff87bd952a900", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking pareen v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "965f65d6fed9ee3150b35002e6155e2f0bd9d7a8a071dd10e12ff87bd952a900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965f65d6fed9ee3150b35002e6155e2f0bd9d7a8a071dd10e12ff87bd952a900", kill_on_drop: false }`
[INFO] [stdout] 965f65d6fed9ee3150b35002e6155e2f0bd9d7a8a071dd10e12ff87bd952a900