[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] 1d8f5e98321031b090052f0597fda4a8a641fafb [INFO] checking ac999/round_robin_loadbalancer against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fac999%2Fround_robin_loadbalancer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ac999/round_robin_loadbalancer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v1.3.1 [INFO] [stderr] Downloaded futures-executor v0.3.16 [INFO] [stderr] Downloaded rlua v0.17.0 [INFO] [stderr] Downloaded tokio v1.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b72daa0fdb134a9bd17aeaad18e2cf6d8efe52cd40389a2c65a34b5a78cafb5d [INFO] running `Command { std: "docker" "start" "-a" "b72daa0fdb134a9bd17aeaad18e2cf6d8efe52cd40389a2c65a34b5a78cafb5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b72daa0fdb134a9bd17aeaad18e2cf6d8efe52cd40389a2c65a34b5a78cafb5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b72daa0fdb134a9bd17aeaad18e2cf6d8efe52cd40389a2c65a34b5a78cafb5d", kill_on_drop: false }` [INFO] [stdout] b72daa0fdb134a9bd17aeaad18e2cf6d8efe52cd40389a2c65a34b5a78cafb5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca0353097def7f2e67113aab15922921093cbe5d8fd12259a59ae830a9762041 [INFO] running `Command { std: "docker" "start" "-a" "ca0353097def7f2e67113aab15922921093cbe5d8fd12259a59ae830a9762041", 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] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Checking pin-utils v0.1.0 [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] Checking futures-io v0.3.16 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling tokio v1.10.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking bitflags v1.3.1 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Compiling rlua v0.17.0 [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 num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Checking futures-executor v0.3.16 [INFO] [stderr] Checking futures v0.3.16 [INFO] [stderr] Checking multithreadluaexec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::mpsc::Sender` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::sync::mpsc::Sender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/load_balancer.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut worker = &self.pool[worker_nr]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::mpsc::Sender` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use tokio::sync::mpsc::Sender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/load_balancer.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut worker = &self.pool[worker_nr]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/load_balancer.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | for i in 0..num { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lua` [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let lua: Lua = Lua::new(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_lua` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/main.rs:33:22 [INFO] [stdout] | [INFO] [stdout] 33 | let (tx, mut rx) = mpsc::channel(100); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/load_balancer.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | for i in 0..num { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:18 [INFO] [stdout] | [INFO] [stdout] 33 | let (tx, mut rx) = mpsc::channel(100); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lua` [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let lua: Lua = Lua::new(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_lua` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `int_result` and `string_result` are never read [INFO] [stdout] --> src/types.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct LuaResult { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 12 | pub int_result: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 13 | pub string_result: Option, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `server` is never read [INFO] [stdout] --> src/types.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 17 | pub sender: Sender<(LuaCode, Sender)>, [INFO] [stdout] 18 | pub server: JoinHandle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/main.rs:33:22 [INFO] [stdout] | [INFO] [stdout] 33 | let (tx, mut rx) = mpsc::channel(100); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:18 [INFO] [stdout] | [INFO] [stdout] 33 | let (tx, mut rx) = mpsc::channel(100); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `int_result` and `string_result` are never read [INFO] [stdout] --> src/types.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct LuaResult { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 12 | pub int_result: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 13 | pub string_result: Option, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `server` is never read [INFO] [stdout] --> src/types.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 17 | pub sender: Sender<(LuaCode, Sender)>, [INFO] [stdout] 18 | pub server: JoinHandle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/worker.rs:20:29 [INFO] [stdout] | [INFO] [stdout] 20 | / ... res.clone() [INFO] [stdout] 21 | | ... .send(LuaResult { int_result: Some(0), string_result: Some("0".to_string()) }) [INFO] [stdout] 22 | | ... .await; [INFO] [stdout] | |________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = res.clone() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/worker.rs:20:29 [INFO] [stdout] | [INFO] [stdout] 20 | / ... res.clone() [INFO] [stdout] 21 | | ... .send(LuaResult { int_result: Some(0), string_result: Some("0".to_string()) }) [INFO] [stdout] 22 | | ... .await; [INFO] [stdout] | |________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = res.clone() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/worker.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | self.sender.clone().send(res).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 32 | let _ = self.sender.clone().send(res).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/worker.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | self.sender.clone().send(res).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 32 | let _ = self.sender.clone().send(res).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.40s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.17.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ca0353097def7f2e67113aab15922921093cbe5d8fd12259a59ae830a9762041", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca0353097def7f2e67113aab15922921093cbe5d8fd12259a59ae830a9762041", kill_on_drop: false }` [INFO] [stdout] ca0353097def7f2e67113aab15922921093cbe5d8fd12259a59ae830a9762041 [INFO] checking ac999/round_robin_loadbalancer against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fac999%2Fround_robin_loadbalancer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ac999/round_robin_loadbalancer on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc2/source/Cargo.toml [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca2959537ba4cffdb02ae8fd21b27052a062d0ffe4a7bef29b3216848565e9d8 [INFO] running `Command { std: "docker" "start" "-a" "ca2959537ba4cffdb02ae8fd21b27052a062d0ffe4a7bef29b3216848565e9d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca2959537ba4cffdb02ae8fd21b27052a062d0ffe4a7bef29b3216848565e9d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca2959537ba4cffdb02ae8fd21b27052a062d0ffe4a7bef29b3216848565e9d8", kill_on_drop: false }` [INFO] [stdout] ca2959537ba4cffdb02ae8fd21b27052a062d0ffe4a7bef29b3216848565e9d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 660e37aea1258482ac88fdd9abbafa35d6903073d004bc163d79deb28d60885b [INFO] running `Command { std: "docker" "start" "-a" "660e37aea1258482ac88fdd9abbafa35d6903073d004bc163d79deb28d60885b", 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 proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking futures-io v0.3.16 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking slab v0.4.4 [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] 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] Checking bytes v1.0.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking bitflags v1.3.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling rlua v0.17.0 [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 num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling quote v1.0.9 [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-6f17d22bba15001f/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 `!`, which is required by `!: FromLuaMulti<'_>` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `FromLuaMulti<'lua>`: [INFO] [stdout] () [INFO] [stdout] (A,) [INFO] [stdout] (B, A) [INFO] [stdout] (B, C, A) [INFO] [stdout] (B, C, D, A) [INFO] [stdout] (B, C, D, E, A) [INFO] [stdout] (B, C, D, E, F, A) [INFO] [stdout] (B, C, D, E, F, G, A) [INFO] [stdout] and 11 others [INFO] [stdout] note: required for `!` to implement `FromLua<'_>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-6f17d22bba15001f/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-6f17d22bba15001f/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] error: aborting due to 1 previous error [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 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "660e37aea1258482ac88fdd9abbafa35d6903073d004bc163d79deb28d60885b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "660e37aea1258482ac88fdd9abbafa35d6903073d004bc163d79deb28d60885b", kill_on_drop: false }` [INFO] [stdout] 660e37aea1258482ac88fdd9abbafa35d6903073d004bc163d79deb28d60885b