[INFO] fetching crate knube 0.2.0...
[INFO] checking knube-0.2.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate knube 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate knube 0.2.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knube 0.2.0
[INFO] finished tweaking crates.io crate knube 0.2.0
[INFO] tweaked toml for crates.io crate knube 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate knube 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81dce9b42654d4cfa6f9b5fe75efde810b96d60f3e4ed0ab623c2bb5c8662ded
[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" "81dce9b42654d4cfa6f9b5fe75efde810b96d60f3e4ed0ab623c2bb5c8662ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81dce9b42654d4cfa6f9b5fe75efde810b96d60f3e4ed0ab623c2bb5c8662ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81dce9b42654d4cfa6f9b5fe75efde810b96d60f3e4ed0ab623c2bb5c8662ded", kill_on_drop: false }`
[INFO] [stdout] 81dce9b42654d4cfa6f9b5fe75efde810b96d60f3e4ed0ab623c2bb5c8662ded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57a4ee2e688f13f1ca0bc4b5e850eec43b4ff927d695a0287ab365a95620aa3d
[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" "57a4ee2e688f13f1ca0bc4b5e850eec43b4ff927d695a0287ab365a95620aa3d", kill_on_drop: false }`
[INFO] [stderr]     Checking knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "57a4ee2e688f13f1ca0bc4b5e850eec43b4ff927d695a0287ab365a95620aa3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a4ee2e688f13f1ca0bc4b5e850eec43b4ff927d695a0287ab365a95620aa3d", kill_on_drop: false }`
[INFO] [stdout] 57a4ee2e688f13f1ca0bc4b5e850eec43b4ff927d695a0287ab365a95620aa3d