[INFO] cloning repository https://github.com/DeadNumbers/rust-cffi-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeadNumbers/rust-cffi-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeadNumbers%2Frust-cffi-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeadNumbers%2Frust-cffi-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87f9a891e2749e39cddd2eb552d4da845e94be69
[INFO] checking DeadNumbers/rust-cffi-example against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeadNumbers%2Frust-cffi-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DeadNumbers/rust-cffi-example on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DeadNumbers/rust-cffi-example
[INFO] finished tweaking git repo https://github.com/DeadNumbers/rust-cffi-example
[INFO] tweaked toml for git repo https://github.com/DeadNumbers/rust-cffi-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/DeadNumbers/rust-cffi-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] c55753eadf712b72c015622f1532f04db46f95766092269a681a83c48e073302
[INFO] running `Command { std: "docker" "start" "-a" "c55753eadf712b72c015622f1532f04db46f95766092269a681a83c48e073302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55753eadf712b72c015622f1532f04db46f95766092269a681a83c48e073302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55753eadf712b72c015622f1532f04db46f95766092269a681a83c48e073302", kill_on_drop: false }`
[INFO] [stdout] c55753eadf712b72c015622f1532f04db46f95766092269a681a83c48e073302
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563dad29f19e6326e0b03b761e8a7b80620e29dbec6e2fe8d497df038baa123a
[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" "563dad29f19e6326e0b03b761e8a7b80620e29dbec6e2fe8d497df038baa123a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / extern {
[INFO] [stdout] 5 | |     fn hello(args: &str) -> i32;
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^ ABI should be specified here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]   = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / extern {
[INFO] [stdout] 5 | |     fn hello(args: &str) -> i32;
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_^ ABI should be specified here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]   = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "563dad29f19e6326e0b03b761e8a7b80620e29dbec6e2fe8d497df038baa123a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563dad29f19e6326e0b03b761e8a7b80620e29dbec6e2fe8d497df038baa123a", kill_on_drop: false }`
[INFO] [stdout] 563dad29f19e6326e0b03b761e8a7b80620e29dbec6e2fe8d497df038baa123a