[INFO] fetching crate uu_printf 0.0.1...
[INFO] checking uu_printf-0.0.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate uu_printf 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uu_printf 0.0.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_printf 0.0.1
[INFO] finished tweaking crates.io crate uu_printf 0.0.1
[INFO] tweaked toml for crates.io crate uu_printf 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate uu_printf 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be9b725fbae6d8b3d5d5a518846d8a6ec450dbb6bfb03fdb365f00eaf8400a95
[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" "be9b725fbae6d8b3d5d5a518846d8a6ec450dbb6bfb03fdb365f00eaf8400a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be9b725fbae6d8b3d5d5a518846d8a6ec450dbb6bfb03fdb365f00eaf8400a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9b725fbae6d8b3d5d5a518846d8a6ec450dbb6bfb03fdb365f00eaf8400a95", kill_on_drop: false }`
[INFO] [stdout] be9b725fbae6d8b3d5d5a518846d8a6ec450dbb6bfb03fdb365f00eaf8400a95
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e06256d7bbbddc7bb847049426357a2bb2dd170dc6d3920dbcf174e7882274a8
[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" "e06256d7bbbddc7bb847049426357a2bb2dd170dc6d3920dbcf174e7882274a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking backtrace-sys v0.1.37
[INFO] [stderr]     Checking backtrace v0.3.30
[INFO] [stderr]     Checking uucore v0.0.4
[INFO] [stderr]     Checking uu_printf v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "e06256d7bbbddc7bb847049426357a2bb2dd170dc6d3920dbcf174e7882274a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06256d7bbbddc7bb847049426357a2bb2dd170dc6d3920dbcf174e7882274a8", kill_on_drop: false }`
[INFO] [stdout] e06256d7bbbddc7bb847049426357a2bb2dd170dc6d3920dbcf174e7882274a8