[INFO] fetching crate mco-rpc 0.1.8...
[INFO] testing mco-rpc-0.1.8 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mco-rpc 0.1.8 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mco-rpc 0.1.8
[INFO] finished tweaking crates.io crate mco-rpc 0.1.8
[INFO] tweaked toml for crates.io crate mco-rpc 0.1.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mco-rpc 0.1.8 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd1b0bcbe933b534e045e197ce7a4b885d6bb251e6a352282d86f4a476d0209b
[INFO] running `Command { std: "docker" "start" "-a" "bd1b0bcbe933b534e045e197ce7a4b885d6bb251e6a352282d86f4a476d0209b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd1b0bcbe933b534e045e197ce7a4b885d6bb251e6a352282d86f4a476d0209b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1b0bcbe933b534e045e197ce7a4b885d6bb251e6a352282d86f4a476d0209b", kill_on_drop: false }`
[INFO] [stdout] bd1b0bcbe933b534e045e197ce7a4b885d6bb251e6a352282d86f4a476d0209b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d5353c61e9426a9413e162d4675084ee0105e20f0011728c54549d85d67e2a4
[INFO] running `Command { std: "docker" "start" "-a" "8d5353c61e9426a9413e162d4675084ee0105e20f0011728c54549d85d67e2a4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling mco v0.1.48
[INFO] [stderr]    Compiling mco-rpc v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "8d5353c61e9426a9413e162d4675084ee0105e20f0011728c54549d85d67e2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5353c61e9426a9413e162d4675084ee0105e20f0011728c54549d85d67e2a4", kill_on_drop: false }`
[INFO] [stdout] 8d5353c61e9426a9413e162d4675084ee0105e20f0011728c54549d85d67e2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40002a7cca315847702bdf041d6dbe40f6a9ec803c7c22cd24ad7ade26efd571
[INFO] running `Command { std: "docker" "start" "-a" "40002a7cca315847702bdf041d6dbe40f6a9ec803c7c22cd24ad7ade26efd571", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mco-rpc v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/balance.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut load: LoadBalance<String> = LoadBalance::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/balance.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let mut load: LoadBalance<String> = LoadBalance::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/balance.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let mut load: LoadBalance<String> = LoadBalance::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "40002a7cca315847702bdf041d6dbe40f6a9ec803c7c22cd24ad7ade26efd571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40002a7cca315847702bdf041d6dbe40f6a9ec803c7c22cd24ad7ade26efd571", kill_on_drop: false }`
[INFO] [stdout] 40002a7cca315847702bdf041d6dbe40f6a9ec803c7c22cd24ad7ade26efd571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b074be8e6b688a0eca5ef89f2014ea35da5463df42e5f398d9c51e69f3cee4c3
[INFO] running `Command { std: "docker" "start" "-a" "b074be8e6b688a0eca5ef89f2014ea35da5463df42e5f398d9c51e69f3cee4c3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/balance.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let mut load: LoadBalance<String> = LoadBalance::new();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/balance.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let mut load: LoadBalance<String> = LoadBalance::new();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/balance.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let mut load: LoadBalance<String> = LoadBalance::new();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `mco-rpc` (lib) generated 1 warning
[INFO] [stderr] warning: `mco-rpc` (lib test) generated 4 warnings (1 duplicate) (run `cargo fix --lib -p mco-rpc --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mco_rpc-e9c874ec59b510e0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test balance::test::test_put ... ok
[INFO] [stdout] test balance::test::test_min_connect ... ok
[INFO] [stdout] test balance::test::test_remove ... ok
[INFO] [stdout] test balance_manager::test::test_fetch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mco_rpc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/server.rs - server::Server::register (line 82) ... ok
[INFO] [stdout] test src/server.rs - server::Server::register_fn (line 103) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b074be8e6b688a0eca5ef89f2014ea35da5463df42e5f398d9c51e69f3cee4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b074be8e6b688a0eca5ef89f2014ea35da5463df42e5f398d9c51e69f3cee4c3", kill_on_drop: false }`
[INFO] [stdout] b074be8e6b688a0eca5ef89f2014ea35da5463df42e5f398d9c51e69f3cee4c3
