[INFO] fetching crate calypso_ast 0.0.0...
[INFO] checking calypso_ast-0.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate calypso_ast 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate calypso_ast 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calypso_ast 0.0.0
[INFO] finished tweaking crates.io crate calypso_ast 0.0.0
[INFO] tweaked toml for crates.io crate calypso_ast 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] f51ab478a5deed46ad6bcbb495f4c1ca317fc86b8d33c16d2b91117bfb4acf64
[INFO] running `Command { std: "docker" "start" "-a" "f51ab478a5deed46ad6bcbb495f4c1ca317fc86b8d33c16d2b91117bfb4acf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f51ab478a5deed46ad6bcbb495f4c1ca317fc86b8d33c16d2b91117bfb4acf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51ab478a5deed46ad6bcbb495f4c1ca317fc86b8d33c16d2b91117bfb4acf64", kill_on_drop: false }`
[INFO] [stdout] f51ab478a5deed46ad6bcbb495f4c1ca317fc86b8d33c16d2b91117bfb4acf64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 2a70c5713c74cf7b66cf39fb3cbc65aaaf6fcf042cbcdcae819a32559b692d64
[INFO] running `Command { std: "docker" "start" "-a" "2a70c5713c74cf7b66cf39fb3cbc65aaaf6fcf042cbcdcae819a32559b692d64", kill_on_drop: false }`
[INFO] [stderr]     Checking calypso_ast v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "2a70c5713c74cf7b66cf39fb3cbc65aaaf6fcf042cbcdcae819a32559b692d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a70c5713c74cf7b66cf39fb3cbc65aaaf6fcf042cbcdcae819a32559b692d64", kill_on_drop: false }`
[INFO] [stdout] 2a70c5713c74cf7b66cf39fb3cbc65aaaf6fcf042cbcdcae819a32559b692d64
