[INFO] cloning repository https://github.com/ac999/round_robin_loadbalancer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ac999/round_robin_loadbalancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fac999%2Fround_robin_loadbalancer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fac999%2Fround_robin_loadbalancer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b13405fa9e7eb2384a7242a25a3a138c394ace3f [INFO] checking ac999/round_robin_loadbalancer against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fac999%2Fround_robin_loadbalancer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ac999/round_robin_loadbalancer [INFO] finished tweaking git repo https://github.com/ac999/round_robin_loadbalancer [INFO] tweaked toml for git repo https://github.com/ac999/round_robin_loadbalancer written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ac999/round_robin_loadbalancer on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ac999/round_robin_loadbalancer already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6cd5ee180394fe76e2088ff254f31b63f9386e94527b4658ea57c938a151f8a4 [INFO] running `Command { std: "docker" "start" "-a" "6cd5ee180394fe76e2088ff254f31b63f9386e94527b4658ea57c938a151f8a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cd5ee180394fe76e2088ff254f31b63f9386e94527b4658ea57c938a151f8a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cd5ee180394fe76e2088ff254f31b63f9386e94527b4658ea57c938a151f8a4", kill_on_drop: false }` [INFO] [stdout] 6cd5ee180394fe76e2088ff254f31b63f9386e94527b4658ea57c938a151f8a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e71c5ad3e9fd29e6d2dec7264ac9f624087d71f1f2f989dfcc1c798f24571f2 [INFO] running `Command { std: "docker" "start" "-a" "8e71c5ad3e9fd29e6d2dec7264ac9f624087d71f1f2f989dfcc1c798f24571f2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking futures-io v0.3.16 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking bitflags v1.3.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling tokio v1.10.0 [INFO] [stderr] Compiling rlua v0.17.0 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.17.0/src/context.rs:919:14 [INFO] [stdout] | [INFO] [stdout] 919 | self.call(())?; [INFO] [stdout] | ^^^^ the trait `UserData` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] help: this trait has no implementations, consider adding one [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.17.0/src/userdata.rs:278:1 [INFO] [stdout] | [INFO] [stdout] 278 | pub trait UserData: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: required for `!` to implement `FromLua<'_>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.17.0/src/conversion.rs:131:43 [INFO] [stdout] | [INFO] [stdout] 131 | impl<'lua, T: 'static + UserData + Clone> FromLua<'lua> for T { [INFO] [stdout] | -------- ^^^^^^^^^^^^^ ^ [INFO] [stdout] | | [INFO] [stdout] | unsatisfied trait bound introduced here [INFO] [stdout] note: required for `!` to implement `FromLuaMulti<'_>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.17.0/src/multi.rs:35:30 [INFO] [stdout] | [INFO] [stdout] 35 | impl<'lua, T: FromLua<'lua>> FromLuaMulti<'lua> for T { [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] | | [INFO] [stdout] | unsatisfied trait bound introduced here [INFO] [stdout] note: required by a bound in `Chunk::<'lua, 'a>::call` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.17.0/src/context.rs:947:41 [INFO] [stdout] | [INFO] [stdout] 947 | pub fn call, R: FromLuaMulti<'lua>>(self, args: A) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ required by this bound in `Chunk::<'lua, 'a>::call` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rlua` (lib) due to 1 previous error; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8e71c5ad3e9fd29e6d2dec7264ac9f624087d71f1f2f989dfcc1c798f24571f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e71c5ad3e9fd29e6d2dec7264ac9f624087d71f1f2f989dfcc1c798f24571f2", kill_on_drop: false }` [INFO] [stdout] 8e71c5ad3e9fd29e6d2dec7264ac9f624087d71f1f2f989dfcc1c798f24571f2