[INFO] cloning repository https://github.com/ustulation/ffi-trait-poc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ustulation/ffi-trait-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustulation%2Fffi-trait-poc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustulation%2Fffi-trait-poc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7d131d9f948fbc7162c6938698dff20043949199 [INFO] testing ustulation/ffi-trait-poc against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustulation%2Fffi-trait-poc" "/workspace/builds/worker-114/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ustulation/ffi-trait-poc on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ustulation/ffi-trait-poc [INFO] finished tweaking git repo https://github.com/ustulation/ffi-trait-poc [INFO] tweaked toml for git repo https://github.com/ustulation/ffi-trait-poc written to /workspace/builds/worker-114/source/Cargo.toml [INFO] crate git repo https://github.com/ustulation/ffi-trait-poc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b36caed5f94ff935acf4fa0edd93d8a31e906ad3c9a149ec9b1102699d48b886 [INFO] running `Command { std: "docker" "start" "-a" "b36caed5f94ff935acf4fa0edd93d8a31e906ad3c9a149ec9b1102699d48b886", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b36caed5f94ff935acf4fa0edd93d8a31e906ad3c9a149ec9b1102699d48b886", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b36caed5f94ff935acf4fa0edd93d8a31e906ad3c9a149ec9b1102699d48b886", kill_on_drop: false }` [INFO] [stdout] b36caed5f94ff935acf4fa0edd93d8a31e906ad3c9a149ec9b1102699d48b886 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9522aff44ed6fee160f58fb6e98a765e7128f7ddd830617daed285129c084265 [INFO] running `Command { std: "docker" "start" "-a" "9522aff44ed6fee160f58fb6e98a765e7128f7ddd830617daed285129c084265", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ffi-trait-poc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:46:14 [INFO] [stdout] | [INFO] [stdout] 46 | type C = (*mut c_char); [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | Ok((CString::new(self)?.into_raw())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.30s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9522aff44ed6fee160f58fb6e98a765e7128f7ddd830617daed285129c084265", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9522aff44ed6fee160f58fb6e98a765e7128f7ddd830617daed285129c084265", kill_on_drop: false }` [INFO] [stdout] 9522aff44ed6fee160f58fb6e98a765e7128f7ddd830617daed285129c084265 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55773ee40d03d7aa43a2594cda1b18c4846f2668f5628ef1263b5145b6ce26c3 [INFO] running `Command { std: "docker" "start" "-a" "55773ee40d03d7aa43a2594cda1b18c4846f2668f5628ef1263b5145b6ce26c3", kill_on_drop: false }` [INFO] [stderr] Compiling ffi-trait-poc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:46:14 [INFO] [stdout] | [INFO] [stdout] 46 | type C = (*mut c_char); [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | Ok((CString::new(self)?.into_raw())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "55773ee40d03d7aa43a2594cda1b18c4846f2668f5628ef1263b5145b6ce26c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55773ee40d03d7aa43a2594cda1b18c4846f2668f5628ef1263b5145b6ce26c3", kill_on_drop: false }` [INFO] [stdout] 55773ee40d03d7aa43a2594cda1b18c4846f2668f5628ef1263b5145b6ce26c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0f6bb5c7296ced2478926a7ad36f88bec042b201bdb2d1247d285d7086255614 [INFO] running `Command { std: "docker" "start" "-a" "0f6bb5c7296ced2478926a7ad36f88bec042b201bdb2d1247d285d7086255614", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/main.rs:46:14 [INFO] [stderr] | [INFO] [stderr] 46 | type C = (*mut c_char); [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:56:12 [INFO] [stderr] | [INFO] [stderr] 56 | Ok((CString::new(self)?.into_raw())) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `ffi-trait-poc` (bin "ffi-trait-poc" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ffi_trait_poc-b9ace018010cae60) [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" "0f6bb5c7296ced2478926a7ad36f88bec042b201bdb2d1247d285d7086255614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6bb5c7296ced2478926a7ad36f88bec042b201bdb2d1247d285d7086255614", kill_on_drop: false }` [INFO] [stdout] 0f6bb5c7296ced2478926a7ad36f88bec042b201bdb2d1247d285d7086255614