[INFO] fetching crate avtivka 0.0.1...
[INFO] checking avtivka-0.0.1 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate avtivka 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate avtivka 0.0.1 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate avtivka 0.0.1
[INFO] finished tweaking crates.io crate avtivka 0.0.1
[INFO] tweaked toml for crates.io crate avtivka 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate avtivka 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69c49002b50d34242c5c1da0aecc23c0a32e306f3e7547e93402dda7a5e37955
[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" "69c49002b50d34242c5c1da0aecc23c0a32e306f3e7547e93402dda7a5e37955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69c49002b50d34242c5c1da0aecc23c0a32e306f3e7547e93402dda7a5e37955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c49002b50d34242c5c1da0aecc23c0a32e306f3e7547e93402dda7a5e37955", kill_on_drop: false }`
[INFO] [stdout] 69c49002b50d34242c5c1da0aecc23c0a32e306f3e7547e93402dda7a5e37955
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] 09b6f6e20e02e95a27bdcc5b6d463474fdb1956ffd8b33a48ac6cdb7f6527210
[INFO] running `Command { std: "docker" "start" "-a" "09b6f6e20e02e95a27bdcc5b6d463474fdb1956ffd8b33a48ac6cdb7f6527210", kill_on_drop: false }`
[INFO] [stderr]     Checking avtivka v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "09b6f6e20e02e95a27bdcc5b6d463474fdb1956ffd8b33a48ac6cdb7f6527210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b6f6e20e02e95a27bdcc5b6d463474fdb1956ffd8b33a48ac6cdb7f6527210", kill_on_drop: false }`
[INFO] [stdout] 09b6f6e20e02e95a27bdcc5b6d463474fdb1956ffd8b33a48ac6cdb7f6527210