[INFO] fetching crate active_standby 0.8.4... [INFO] checking active_standby-0.8.4 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] extracting crate active_standby 0.8.4 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate active_standby 0.8.4 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate active_standby 0.8.4 [INFO] finished tweaking crates.io crate active_standby 0.8.4 [INFO] tweaked toml for crates.io crate active_standby 0.8.4 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d132a3bd3bea16124fa8a7f7e70f0e3e0b2de06dd428d4c2c85dd48cf3e81ff [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" "7d132a3bd3bea16124fa8a7f7e70f0e3e0b2de06dd428d4c2c85dd48cf3e81ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d132a3bd3bea16124fa8a7f7e70f0e3e0b2de06dd428d4c2c85dd48cf3e81ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d132a3bd3bea16124fa8a7f7e70f0e3e0b2de06dd428d4c2c85dd48cf3e81ff", kill_on_drop: false }` [INFO] [stdout] 7d132a3bd3bea16124fa8a7f7e70f0e3e0b2de06dd428d4c2c85dd48cf3e81ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 387e6652fcc5d41722e7e46acd165e34825f1d52bc7798d6a77029195cc674be [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" "387e6652fcc5d41722e7e46acd165e34825f1d52bc7798d6a77029195cc674be", kill_on_drop: false }` [INFO] [stderr] Checking more-asserts v0.2.1 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking active_standby v0.8.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/bench.rs:222:17 [INFO] [stdout] | [INFO] [stdout] 222 | let mut reader = writer.new_reader(); [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: variable does not need to be mutable [INFO] [stdout] --> benches/bench.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | let mut reader = writer.new_reader(); [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] --> benches/bench.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut reader = writer.new_reader(); [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] --> benches/bench.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | let mut reader = writer.new_reader(); [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] --> benches/bench.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let mut reader = writer.new_reader(); [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] --> benches/bench.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | let mut reader = writer.new_reader(); [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] --> benches/bench.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | let mut reader = writer.new_reader(); [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] --> benches/bench.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | let mut reader = writer.new_reader(); [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] --> benches/bench.rs:192:17 [INFO] [stdout] | [INFO] [stdout] 192 | let mut table_clone = table.clone(); [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] --> benches/bench.rs:189:9 [INFO] [stdout] | [INFO] [stdout] 189 | let mut table = aslock::AsLockHandle::new(1); [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] --> benches/bench.rs:203:9 [INFO] [stdout] | [INFO] [stdout] 203 | let mut table_clone = table.clone(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/write.rs:548:13 [INFO] [stdout] | [INFO] [stdout] 548 | &mut table[0]; [INFO] [stdout] | ^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 548 | let _ = &mut table[0]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "387e6652fcc5d41722e7e46acd165e34825f1d52bc7798d6a77029195cc674be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "387e6652fcc5d41722e7e46acd165e34825f1d52bc7798d6a77029195cc674be", kill_on_drop: false }` [INFO] [stdout] 387e6652fcc5d41722e7e46acd165e34825f1d52bc7798d6a77029195cc674be