[INFO] fetching crate raftlog 0.6.0...
[INFO] checking raftlog-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate raftlog 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate raftlog 0.6.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raftlog 0.6.0
[INFO] finished tweaking crates.io crate raftlog 0.6.0
[INFO] tweaked toml for crates.io crate raftlog 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.30)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.0.2)
[INFO] [stderr]       Adding miow v0.2.2 (available: v0.6.0)
[INFO] [stderr]       Adding nom v2.2.1 (available: v7.1.3)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding splay_tree v0.2.10 (available: v0.3.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding trackable v0.2.24 (available: v1.3.0)
[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2bb4b8322bd3de6015cd8d86eb80517467244b6b51580bd0d1ceb220f45939d
[INFO] running `Command { std: "docker" "start" "-a" "b2bb4b8322bd3de6015cd8d86eb80517467244b6b51580bd0d1ceb220f45939d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2bb4b8322bd3de6015cd8d86eb80517467244b6b51580bd0d1ceb220f45939d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bb4b8322bd3de6015cd8d86eb80517467244b6b51580bd0d1ceb220f45939d", kill_on_drop: false }`
[INFO] [stdout] b2bb4b8322bd3de6015cd8d86eb80517467244b6b51580bd0d1ceb220f45939d
[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=forbid -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143830b9858ff25491b258dc67b372cca264550718e14fc62287c9af34eb56c0
[INFO] running `Command { std: "docker" "start" "-a" "143830b9858ff25491b258dc67b372cca264550718e14fc62287c9af34eb56c0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking prometrics v0.1.13
[INFO] [stderr]     Checking raftlog v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/node_state/common/mod.rs:410:80
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn rpc_callee<'a>(&'a mut self, caller: &'a MessageHeader) -> RpcCallee<IO> {
[INFO] [stdout]     |                       -- lifetime `'a` declared here                           ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/node_state/common/mod.rs:410:80
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn rpc_callee<'a>(&'a mut self, caller: &'a MessageHeader) -> RpcCallee<IO> {
[INFO] [stdout]     |                       -- lifetime `'a` declared here                           ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cluster` is never read
[INFO] [stdout]   --> src/test_util.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub struct TestIoHandle {
[INFO] [stdout]    |                ------------ field in this struct
[INFO] [stdout] 55 |         pub cluster: ClusterConfig,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestIoHandle` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[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" "143830b9858ff25491b258dc67b372cca264550718e14fc62287c9af34eb56c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143830b9858ff25491b258dc67b372cca264550718e14fc62287c9af34eb56c0", kill_on_drop: false }`
[INFO] [stdout] 143830b9858ff25491b258dc67b372cca264550718e14fc62287c9af34eb56c0