[INFO] fetching crate format 0.2.4...
[INFO] checking format-0.2.4 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate format 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate format 0.2.4 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate format 0.2.4
[INFO] finished tweaking crates.io crate format 0.2.4
[INFO] tweaked toml for crates.io crate format 0.2.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate format 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] bfe3b52296a5c34e4df51bbeb7bff311e784c1300b8e39ded087860b9d73ebf9
[INFO] running `Command { std: "docker" "start" "-a" "bfe3b52296a5c34e4df51bbeb7bff311e784c1300b8e39ded087860b9d73ebf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe3b52296a5c34e4df51bbeb7bff311e784c1300b8e39ded087860b9d73ebf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe3b52296a5c34e4df51bbeb7bff311e784c1300b8e39ded087860b9d73ebf9", kill_on_drop: false }`
[INFO] [stdout] bfe3b52296a5c34e4df51bbeb7bff311e784c1300b8e39ded087860b9d73ebf9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962a3ca4c949f3052b807e61d83f5701ad26433ea930f3ce1a92cc89b56bad1c
[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" "962a3ca4c949f3052b807e61d83f5701ad26433ea930f3ce1a92cc89b56bad1c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling format-macro v0.2.4
[INFO] [stderr]     Checking format v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.84s
[INFO] running `Command { std: "docker" "inspect" "962a3ca4c949f3052b807e61d83f5701ad26433ea930f3ce1a92cc89b56bad1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962a3ca4c949f3052b807e61d83f5701ad26433ea930f3ce1a92cc89b56bad1c", kill_on_drop: false }`
[INFO] [stdout] 962a3ca4c949f3052b807e61d83f5701ad26433ea930f3ce1a92cc89b56bad1c