[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Frust_c_ffi_sample" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segfo/rust_c_ffi_sample on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 156e95e2b593e7d2d41307cd4f73fef9382a2d2f6e4de1cf70ac1329b866908b
[INFO] running `Command { std: "docker" "start" "-a" "156e95e2b593e7d2d41307cd4f73fef9382a2d2f6e4de1cf70ac1329b866908b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "156e95e2b593e7d2d41307cd4f73fef9382a2d2f6e4de1cf70ac1329b866908b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156e95e2b593e7d2d41307cd4f73fef9382a2d2f6e4de1cf70ac1329b866908b", kill_on_drop: false }`
[INFO] [stdout] 156e95e2b593e7d2d41307cd4f73fef9382a2d2f6e4de1cf70ac1329b866908b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dcea6ebfe87f47088f6d03a9389561fb933f917325e55f77a7a4c0111075172
[INFO] running `Command { std: "docker" "start" "-a" "9dcea6ebfe87f47088f6d03a9389561fb933f917325e55f77a7a4c0111075172", 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 8.93s
[INFO] running `Command { std: "docker" "inspect" "9dcea6ebfe87f47088f6d03a9389561fb933f917325e55f77a7a4c0111075172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dcea6ebfe87f47088f6d03a9389561fb933f917325e55f77a7a4c0111075172", kill_on_drop: false }`
[INFO] [stdout] 9dcea6ebfe87f47088f6d03a9389561fb933f917325e55f77a7a4c0111075172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5d8c04f8a4bf90c4a59f9b1fd3f54f3a1ddb66fb5a37a55cd635eac4b33ac2
[INFO] running `Command { std: "docker" "start" "-a" "7d5d8c04f8a4bf90c4a59f9b1fd3f54f3a1ddb66fb5a37a55cd635eac4b33ac2", 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 13.46s
[INFO] running `Command { std: "docker" "inspect" "7d5d8c04f8a4bf90c4a59f9b1fd3f54f3a1ddb66fb5a37a55cd635eac4b33ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5d8c04f8a4bf90c4a59f9b1fd3f54f3a1ddb66fb5a37a55cd635eac4b33ac2", kill_on_drop: false }`
[INFO] [stdout] 7d5d8c04f8a4bf90c4a59f9b1fd3f54f3a1ddb66fb5a37a55cd635eac4b33ac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5227095ad36127fe74a0add45bbd3b908b19da4ce564525be7a9c6fb3cd8907e
[INFO] running `Command { std: "docker" "start" "-a" "5227095ad36127fe74a0add45bbd3b908b19da4ce564525be7a9c6fb3cd8907e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c_wrapper-6ba81d1ca3d16d05)
[INFO] [stdout] 
[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" "5227095ad36127fe74a0add45bbd3b908b19da4ce564525be7a9c6fb3cd8907e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5227095ad36127fe74a0add45bbd3b908b19da4ce564525be7a9c6fb3cd8907e", kill_on_drop: false }`
[INFO] [stdout] 5227095ad36127fe74a0add45bbd3b908b19da4ce564525be7a9c6fb3cd8907e