[INFO] fetching crate system-interface 0.0.0...
[INFO] checking system-interface-0.0.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate system-interface 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate system-interface 0.0.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate system-interface 0.0.0
[INFO] finished tweaking crates.io crate system-interface 0.0.0
[INFO] tweaked toml for crates.io crate system-interface 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efa737ef53e6e7fc6a016b52c9ad8bcc9f433ef81d6f77aaa9e3c50706fc2e95
[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" "efa737ef53e6e7fc6a016b52c9ad8bcc9f433ef81d6f77aaa9e3c50706fc2e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa737ef53e6e7fc6a016b52c9ad8bcc9f433ef81d6f77aaa9e3c50706fc2e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa737ef53e6e7fc6a016b52c9ad8bcc9f433ef81d6f77aaa9e3c50706fc2e95", kill_on_drop: false }`
[INFO] [stdout] efa737ef53e6e7fc6a016b52c9ad8bcc9f433ef81d6f77aaa9e3c50706fc2e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] a075af3d5c7473404c7b3f96544c3329d517140d7d47b27f14a3b72868a74812
[INFO] running `Command { std: "docker" "start" "-a" "a075af3d5c7473404c7b3f96544c3329d517140d7d47b27f14a3b72868a74812", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking posish v0.4.1
[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 fs-set-times v0.2.1
[INFO] [stderr]     Checking system-interface v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cap-primitives v0.5.0
[INFO] [stderr]     Checking cap-std v0.5.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking cap-tempfile v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.45s
[INFO] running `Command { std: "docker" "inspect" "a075af3d5c7473404c7b3f96544c3329d517140d7d47b27f14a3b72868a74812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a075af3d5c7473404c7b3f96544c3329d517140d7d47b27f14a3b72868a74812", kill_on_drop: false }`
[INFO] [stdout] a075af3d5c7473404c7b3f96544c3329d517140d7d47b27f14a3b72868a74812