[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] checking sinitcin/poll_devices against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinitcin%2Fpoll_devices" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sinitcin/poll_devices on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c8b5f0086dad39b11c6437fe98f86d6bcb29413c49a952330ad09ca8e42f0fa [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" "6c8b5f0086dad39b11c6437fe98f86d6bcb29413c49a952330ad09ca8e42f0fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c8b5f0086dad39b11c6437fe98f86d6bcb29413c49a952330ad09ca8e42f0fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c8b5f0086dad39b11c6437fe98f86d6bcb29413c49a952330ad09ca8e42f0fa", kill_on_drop: false }` [INFO] [stdout] 6c8b5f0086dad39b11c6437fe98f86d6bcb29413c49a952330ad09ca8e42f0fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ad22827a014377ec7c31189973f69c8c3f7dddb721422d0c82d70e5ab1d4474 [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" "6ad22827a014377ec7c31189973f69c8c3f7dddb721422d0c82d70e5ab1d4474", 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] Blocking waiting for file lock on package cache [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] Checking byteorder v1.2.7 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Compiling libsqlite3-sys v0.9.3 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking libconfig v0.1.0 (/opt/rustwide/workdir/libconfig) [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking lru-cache v0.1.1 [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: cannot satisfy `String: AsRef<_>` [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: cannot satisfy `String: AsRef<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 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` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: cannot satisfy `String: AsRef<_>` [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: cannot satisfy `String: AsRef<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6ad22827a014377ec7c31189973f69c8c3f7dddb721422d0c82d70e5ab1d4474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ad22827a014377ec7c31189973f69c8c3f7dddb721422d0c82d70e5ab1d4474", kill_on_drop: false }` [INFO] [stdout] 6ad22827a014377ec7c31189973f69c8c3f7dddb721422d0c82d70e5ab1d4474