[INFO] fetching crate battery 0.7.8...
[INFO] checking battery-0.7.8 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate battery 0.7.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate battery 0.7.8 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 battery 0.7.8
[INFO] finished tweaking crates.io crate battery 0.7.8
[INFO] tweaked toml for crates.io crate battery 0.7.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate battery 0.7.8 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] 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] f68eb8d849edeaa1345f831d1c69c8108e7664d3b9eb33cbcea0d4b9d7c9a232
[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" "f68eb8d849edeaa1345f831d1c69c8108e7664d3b9eb33cbcea0d4b9d7c9a232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f68eb8d849edeaa1345f831d1c69c8108e7664d3b9eb33cbcea0d4b9d7c9a232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68eb8d849edeaa1345f831d1c69c8108e7664d3b9eb33cbcea0d4b9d7c9a232", kill_on_drop: false }`
[INFO] [stdout] f68eb8d849edeaa1345f831d1c69c8108e7664d3b9eb33cbcea0d4b9d7c9a232
[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] accef9b3ded1a5538f24c800ff9ebb9e6dc266d295475e80ad2285859f75f2be
[INFO] running `Command { std: "docker" "start" "-a" "accef9b3ded1a5538f24c800ff9ebb9e6dc266d295475e80ad2285859f75f2be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling battery v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.69s
[INFO] running `Command { std: "docker" "inspect" "accef9b3ded1a5538f24c800ff9ebb9e6dc266d295475e80ad2285859f75f2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accef9b3ded1a5538f24c800ff9ebb9e6dc266d295475e80ad2285859f75f2be", kill_on_drop: false }`
[INFO] [stdout] accef9b3ded1a5538f24c800ff9ebb9e6dc266d295475e80ad2285859f75f2be