[INFO] cloning repository https://github.com/alshdavid-scratch/tokio_ffi_dynamic_dispatch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alshdavid-scratch/tokio_ffi_dynamic_dispatch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falshdavid-scratch%2Ftokio_ffi_dynamic_dispatch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falshdavid-scratch%2Ftokio_ffi_dynamic_dispatch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c15d84c653a0a03b32fdf97abd20001648c42496
[INFO] checking alshdavid-scratch/tokio_ffi_dynamic_dispatch against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falshdavid-scratch%2Ftokio_ffi_dynamic_dispatch" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alshdavid-scratch/tokio_ffi_dynamic_dispatch
[INFO] finished tweaking git repo https://github.com/alshdavid-scratch/tokio_ffi_dynamic_dispatch
[INFO] tweaked toml for git repo https://github.com/alshdavid-scratch/tokio_ffi_dynamic_dispatch written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alshdavid-scratch/tokio_ffi_dynamic_dispatch on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alshdavid-scratch/tokio_ffi_dynamic_dispatch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.78
[INFO] [stderr]   Downloaded syn v2.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8814bd04da62b2ad7471bba2c85c17b091264090d4ffb6bf1ebe16710e5d95fd
[INFO] running `Command { std: "docker" "start" "-a" "8814bd04da62b2ad7471bba2c85c17b091264090d4ffb6bf1ebe16710e5d95fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8814bd04da62b2ad7471bba2c85c17b091264090d4ffb6bf1ebe16710e5d95fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8814bd04da62b2ad7471bba2c85c17b091264090d4ffb6bf1ebe16710e5d95fd", kill_on_drop: false }`
[INFO] [stdout] 8814bd04da62b2ad7471bba2c85c17b091264090d4ffb6bf1ebe16710e5d95fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d40a7125684efa8ed37677d7f84eff50649a5683b88ae095fc221ea0032deef0
[INFO] running `Command { std: "docker" "start" "-a" "d40a7125684efa8ed37677d7f84eff50649a5683b88ae095fc221ea0032deef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling async-trait v0.1.78
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking c v0.1.0 (/opt/rustwide/workdir/c)
[INFO] [stderr]     Checking a v0.1.0 (/opt/rustwide/workdir/a)
[INFO] [stderr]     Checking b v0.1.0 (/opt/rustwide/workdir/b)
[INFO] [stdout] warning: unused import: `c::Adder`
[INFO] [stdout]  --> b/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use c::Adder;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> b/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub extern fn init() -> Box<Pin<Box<dyn Future<Output = AddMachine>>>> {
[INFO] [stdout]   |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c::Adder`
[INFO] [stdout]  --> b/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use c::Adder;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> b/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub extern fn init() -> Box<Pin<Box<dyn Future<Output = AddMachine>>>> {
[INFO] [stdout]   |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "d40a7125684efa8ed37677d7f84eff50649a5683b88ae095fc221ea0032deef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40a7125684efa8ed37677d7f84eff50649a5683b88ae095fc221ea0032deef0", kill_on_drop: false }`
[INFO] [stdout] d40a7125684efa8ed37677d7f84eff50649a5683b88ae095fc221ea0032deef0