[INFO] fetching crate sp-variant 3.5.2...
[INFO] checking sp-variant-3.5.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate sp-variant 3.5.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sp-variant 3.5.2 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate sp-variant 3.5.2
[INFO] finished tweaking crates.io crate sp-variant 3.5.2
[INFO] tweaked toml for crates.io crate sp-variant 3.5.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate sp-variant 3.5.2 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 187e22824897979921273161fe02544b390bcc6c60db37fe62e4d752bff46971
[INFO] running `Command { std: "docker" "start" "-a" "187e22824897979921273161fe02544b390bcc6c60db37fe62e4d752bff46971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "187e22824897979921273161fe02544b390bcc6c60db37fe62e4d752bff46971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187e22824897979921273161fe02544b390bcc6c60db37fe62e4d752bff46971", kill_on_drop: false }`
[INFO] [stdout] 187e22824897979921273161fe02544b390bcc6c60db37fe62e4d752bff46971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 701d7a0406d932d43bf893bf8b4f3246e127806ea0ddaf16273cb5c95ed2aab5
[INFO] running `Command { std: "docker" "start" "-a" "701d7a0406d932d43bf893bf8b4f3246e127806ea0ddaf16273cb5c95ed2aab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling rustix v0.38.2
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling rustix v0.37.22
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking is-terminal v0.4.8
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.10
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking clap v4.3.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]     Checking enum-iterator v1.4.1
[INFO] [stderr]     Checking sp-variant v3.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> rust/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> rust/lib.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.72s
[INFO] running `Command { std: "docker" "inspect" "701d7a0406d932d43bf893bf8b4f3246e127806ea0ddaf16273cb5c95ed2aab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701d7a0406d932d43bf893bf8b4f3246e127806ea0ddaf16273cb5c95ed2aab5", kill_on_drop: false }`
[INFO] [stdout] 701d7a0406d932d43bf893bf8b4f3246e127806ea0ddaf16273cb5c95ed2aab5