[INFO] cloning repository https://github.com/sinitcin/poll_devices [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinitcin/poll_devices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_devices", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_devices'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91f3c8217293c02b9f21a8c82f6c31b8ce9bbfbb [INFO] testing sinitcin/poll_devices against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_devices" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinitcin/poll_devices on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sinitcin/poll_devices [INFO] finished tweaking git repo https://github.com/sinitcin/poll_devices [INFO] tweaked toml for git repo https://github.com/sinitcin/poll_devices written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/sinitcin/poll_devices already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b9122d0dc4a1013ac753947013a9481cb13686e4fd179a4525be9b027234bdf [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" "6b9122d0dc4a1013ac753947013a9481cb13686e4fd179a4525be9b027234bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b9122d0dc4a1013ac753947013a9481cb13686e4fd179a4525be9b027234bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b9122d0dc4a1013ac753947013a9481cb13686e4fd179a4525be9b027234bdf", kill_on_drop: false }` [INFO] [stdout] 6b9122d0dc4a1013ac753947013a9481cb13686e4fd179a4525be9b027234bdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", 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] 6661ba08cf7bd84dc811d09de4b70c508a291062b670bf1aa955e66543476d1a [INFO] running `Command { std: "docker" "start" "-a" "6661ba08cf7bd84dc811d09de4b70c508a291062b670bf1aa955e66543476d1a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling lru-cache v0.1.1 [INFO] [stderr] Compiling libconfig v0.1.0 (/opt/rustwide/workdir/libconfig) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> libconfig/src/lib.rs:68:49 [INFO] [stdout] | [INFO] [stdout] 68 | .set(format!("host_{}", &self.base).as_ref(), host); [INFO] [stdout] | -------------------------------^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type for type parameter `T` declared on the trait `AsRef` [INFO] [stdout] | this method call resolves to `&T` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`: [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef<[u8]> for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> libconfig/src/lib.rs:68:14 [INFO] [stdout] | [INFO] [stdout] 68 | .set(format!("host_{}", &self.base).as_ref(), host); [INFO] [stdout] | ^^^ cannot infer type for reference `&_` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate: [INFO] [stdout] - impl<> From<&String> for String; [INFO] [stdout] - impl<> From<&str> for String; [INFO] [stdout] = note: required because of the requirements on the impl of `Into` for `&_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> libconfig/src/lib.rs:87:49 [INFO] [stdout] | [INFO] [stdout] 87 | .set(format!("port_{}", &self.base).as_ref(), format!("{}", port)); [INFO] [stdout] | -------------------------------^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type for type parameter `T` declared on the trait `AsRef` [INFO] [stdout] | this method call resolves to `&T` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`: [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef<[u8]> for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> libconfig/src/lib.rs:87:14 [INFO] [stdout] | [INFO] [stdout] 87 | .set(format!("port_{}", &self.base).as_ref(), format!("{}", port)); [INFO] [stdout] | ^^^ cannot infer type for reference `&_` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate: [INFO] [stdout] - impl<> From<&String> for String; [INFO] [stdout] - impl<> From<&str> for String; [INFO] [stdout] = note: required because of the requirements on the impl of `Into` for `&_` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libconfig` due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6661ba08cf7bd84dc811d09de4b70c508a291062b670bf1aa955e66543476d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6661ba08cf7bd84dc811d09de4b70c508a291062b670bf1aa955e66543476d1a", kill_on_drop: false }` [INFO] [stdout] 6661ba08cf7bd84dc811d09de4b70c508a291062b670bf1aa955e66543476d1a