[INFO] fetching crate roundrobin 0.1.1... [INFO] testing roundrobin-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate roundrobin 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate roundrobin 0.1.1 [INFO] finished tweaking crates.io crate roundrobin 0.1.1 [INFO] tweaked toml for crates.io crate roundrobin 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate roundrobin 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate roundrobin 0.1.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7cc627b750ad55c8f20f10ac9bb51d6188fb5ce772d2a3cd4456b0364ed5f3e5 [INFO] running `Command { std: "docker" "start" "-a" "7cc627b750ad55c8f20f10ac9bb51d6188fb5ce772d2a3cd4456b0364ed5f3e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7cc627b750ad55c8f20f10ac9bb51d6188fb5ce772d2a3cd4456b0364ed5f3e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cc627b750ad55c8f20f10ac9bb51d6188fb5ce772d2a3cd4456b0364ed5f3e5", kill_on_drop: false }` [INFO] [stdout] 7cc627b750ad55c8f20f10ac9bb51d6188fb5ce772d2a3cd4456b0364ed5f3e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 060d0b71be49ea3739f84a676fd6aaeec0100bcee7d7c39080aa2555c90d2b81 [INFO] running `Command { std: "docker" "start" "-a" "060d0b71be49ea3739f84a676fd6aaeec0100bcee7d7c39080aa2555c90d2b81", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling roundrobin v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RoundRobinBalancer` and `Server` [INFO] [stdout] --> src/rr.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | use super::{RoundRobinBalancer, Server}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/wrr.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `url` is never read [INFO] [stdout] --> src/rr.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 5 | url: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Server` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "060d0b71be49ea3739f84a676fd6aaeec0100bcee7d7c39080aa2555c90d2b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "060d0b71be49ea3739f84a676fd6aaeec0100bcee7d7c39080aa2555c90d2b81", kill_on_drop: false }` [INFO] [stdout] 060d0b71be49ea3739f84a676fd6aaeec0100bcee7d7c39080aa2555c90d2b81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fb280cb844449a64602b82a4f35bd1be3eaca7506ffc04a212ab151fb7552db [INFO] running `Command { std: "docker" "start" "-a" "3fb280cb844449a64602b82a4f35bd1be3eaca7506ffc04a212ab151fb7552db", kill_on_drop: false }` [INFO] [stderr] Compiling roundrobin v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RoundRobinBalancer` and `Server` [INFO] [stdout] --> src/rr.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | use super::{RoundRobinBalancer, Server}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/wrr.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `url` is never read [INFO] [stdout] --> src/rr.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 5 | url: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Server` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "3fb280cb844449a64602b82a4f35bd1be3eaca7506ffc04a212ab151fb7552db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fb280cb844449a64602b82a4f35bd1be3eaca7506ffc04a212ab151fb7552db", kill_on_drop: false }` [INFO] [stdout] 3fb280cb844449a64602b82a4f35bd1be3eaca7506ffc04a212ab151fb7552db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fe706c837474f29ec5174f0af28d63eb3dd453aee4a47d3042dbae8f8c5c5b9c [INFO] running `Command { std: "docker" "start" "-a" "fe706c837474f29ec5174f0af28d63eb3dd453aee4a47d3042dbae8f8c5c5b9c", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `RoundRobinBalancer` and `Server` [INFO] [stderr] --> src/rr.rs:46:17 [INFO] [stderr] | [INFO] [stderr] 46 | use super::{RoundRobinBalancer, Server}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/wrr.rs:132:9 [INFO] [stderr] | [INFO] [stderr] 132 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `url` is never read [INFO] [stderr] --> src/rr.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Server { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] 5 | url: String, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Server` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `roundrobin` (lib) generated 3 warnings (run `cargo fix --lib -p roundrobin` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roundrobin-2a6ba3d518c95ffc) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test rr::tests::test_simple_next ... ok [INFO] [stdout] test wrr::tests::test_fail_then_next ... ok [INFO] [stdout] test wrr::tests::test_fail ... ok [INFO] [stdout] test wrr::tests::test_next ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] Doc-tests roundrobin [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" "fe706c837474f29ec5174f0af28d63eb3dd453aee4a47d3042dbae8f8c5c5b9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe706c837474f29ec5174f0af28d63eb3dd453aee4a47d3042dbae8f8c5c5b9c", kill_on_drop: false }` [INFO] [stdout] fe706c837474f29ec5174f0af28d63eb3dd453aee4a47d3042dbae8f8c5c5b9c