[INFO] fetching crate ayaya 2.0.0...
[INFO] checking ayaya-2.0.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate ayaya 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ayaya 2.0.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ayaya 2.0.0
[INFO] finished tweaking crates.io crate ayaya 2.0.0
[INFO] tweaked toml for crates.io crate ayaya 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ayaya 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db8112d353c8d19b6f907c123e08e8f947016e621bea8d6b150e52b6781accd3
[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" "db8112d353c8d19b6f907c123e08e8f947016e621bea8d6b150e52b6781accd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db8112d353c8d19b6f907c123e08e8f947016e621bea8d6b150e52b6781accd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8112d353c8d19b6f907c123e08e8f947016e621bea8d6b150e52b6781accd3", kill_on_drop: false }`
[INFO] [stdout] db8112d353c8d19b6f907c123e08e8f947016e621bea8d6b150e52b6781accd3
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc8ea7e580267614b8d6f10b95d0f2a34b0d5f4d4567605dffd2b35679f424a
[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" "bbc8ea7e580267614b8d6f10b95d0f2a34b0d5f4d4567605dffd2b35679f424a", kill_on_drop: false }`
[INFO] [stderr] error: "/opt/rustwide/rustup-home/toolchains/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
[INFO] [stderr]         rustup component add rust-src
[INFO] running `Command { std: "docker" "inspect" "bbc8ea7e580267614b8d6f10b95d0f2a34b0d5f4d4567605dffd2b35679f424a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc8ea7e580267614b8d6f10b95d0f2a34b0d5f4d4567605dffd2b35679f424a", kill_on_drop: false }`
[INFO] [stdout] bbc8ea7e580267614b8d6f10b95d0f2a34b0d5f4d4567605dffd2b35679f424a