[INFO] cloning repository https://github.com/segfo/rust_c_ffi_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segfo/rust_c_ffi_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Frust_c_ffi_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Frust_c_ffi_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf59224db56640a2f9e46880dfc2c833dcb023f6
[INFO] testing segfo/rust_c_ffi_sample against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Frust_c_ffi_sample" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segfo/rust_c_ffi_sample on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/segfo/rust_c_ffi_sample
[INFO] finished tweaking git repo https://github.com/segfo/rust_c_ffi_sample
[INFO] tweaked toml for git repo https://github.com/segfo/rust_c_ffi_sample written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/segfo/rust_c_ffi_sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 818cb5e9cc1ad5447833e7f812b449b253e1e75d0af986f4dd88917d9644baa0
[INFO] running `Command { std: "docker" "start" "-a" "818cb5e9cc1ad5447833e7f812b449b253e1e75d0af986f4dd88917d9644baa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "818cb5e9cc1ad5447833e7f812b449b253e1e75d0af986f4dd88917d9644baa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818cb5e9cc1ad5447833e7f812b449b253e1e75d0af986f4dd88917d9644baa0", kill_on_drop: false }`
[INFO] [stdout] 818cb5e9cc1ad5447833e7f812b449b253e1e75d0af986f4dd88917d9644baa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adef7cefa6274002af0bb0ca3741480ad16c8353d52a0174269f0ada389b8333
[INFO] running `Command { std: "docker" "start" "-a" "adef7cefa6274002af0bb0ca3741480ad16c8353d52a0174269f0ada389b8333", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling c_wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "adef7cefa6274002af0bb0ca3741480ad16c8353d52a0174269f0ada389b8333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adef7cefa6274002af0bb0ca3741480ad16c8353d52a0174269f0ada389b8333", kill_on_drop: false }`
[INFO] [stdout] adef7cefa6274002af0bb0ca3741480ad16c8353d52a0174269f0ada389b8333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca8a9adfb6842eb170576be59cdf2167ee65206c81c097859cef6ac2c3c35353
[INFO] running `Command { std: "docker" "start" "-a" "ca8a9adfb6842eb170576be59cdf2167ee65206c81c097859cef6ac2c3c35353", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling c_wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "ca8a9adfb6842eb170576be59cdf2167ee65206c81c097859cef6ac2c3c35353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8a9adfb6842eb170576be59cdf2167ee65206c81c097859cef6ac2c3c35353", kill_on_drop: false }`
[INFO] [stdout] ca8a9adfb6842eb170576be59cdf2167ee65206c81c097859cef6ac2c3c35353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65862b9bca030a35f3e340d517fca67e37a923733c1e38d9839f9612367e9975
[INFO] running `Command { std: "docker" "start" "-a" "65862b9bca030a35f3e340d517fca67e37a923733c1e38d9839f9612367e9975", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c_wrapper-4732354a695e2a72)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65862b9bca030a35f3e340d517fca67e37a923733c1e38d9839f9612367e9975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65862b9bca030a35f3e340d517fca67e37a923733c1e38d9839f9612367e9975", kill_on_drop: false }`
[INFO] [stdout] 65862b9bca030a35f3e340d517fca67e37a923733c1e38d9839f9612367e9975