[INFO] fetching crate cosmo 0.1.0...
[INFO] testing cosmo-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cosmo 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cosmo 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cosmo 0.1.0
[INFO] finished tweaking crates.io crate cosmo 0.1.0
[INFO] tweaked toml for crates.io crate cosmo 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (time) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.time.time
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88d69662858e2dd86b70174447e8a17a9a11617b68a3c6cf18ace48860071757
[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" "88d69662858e2dd86b70174447e8a17a9a11617b68a3c6cf18ace48860071757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88d69662858e2dd86b70174447e8a17a9a11617b68a3c6cf18ace48860071757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d69662858e2dd86b70174447e8a17a9a11617b68a3c6cf18ace48860071757", kill_on_drop: false }`
[INFO] [stdout] 88d69662858e2dd86b70174447e8a17a9a11617b68a3c6cf18ace48860071757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb51fc07a0a6445d43dfdcb3a53cad12e6dbcd92f1e5204192d427e5abad3f42
[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" "fb51fc07a0a6445d43dfdcb3a53cad12e6dbcd92f1e5204192d427e5abad3f42", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (time) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.time.time
[INFO] [stderr] error: failed to run `rustc` to learn about crate-type dynlib information
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc - --crate-name ___ --print=file-names --cap-lints=forbid --crate-type dynlib` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: unknown crate type: `dynlib`
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "fb51fc07a0a6445d43dfdcb3a53cad12e6dbcd92f1e5204192d427e5abad3f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb51fc07a0a6445d43dfdcb3a53cad12e6dbcd92f1e5204192d427e5abad3f42", kill_on_drop: false }`
[INFO] [stdout] fb51fc07a0a6445d43dfdcb3a53cad12e6dbcd92f1e5204192d427e5abad3f42