[INFO] fetching crate crabby-webshell-generator 2.0.0...
[INFO] checking crabby-webshell-generator-2.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate crabby-webshell-generator 2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate crabby-webshell-generator 2.0.0 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 crabby-webshell-generator 2.0.0
[INFO] finished tweaking crates.io crate crabby-webshell-generator 2.0.0
[INFO] tweaked toml for crates.io crate crabby-webshell-generator 2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate crabby-webshell-generator 2.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f9331111d52bbbcb1b0a5402bad621c75df217a5e41c0f73d40410910b8a00a6
[INFO] running `Command { std: "docker" "start" "-a" "f9331111d52bbbcb1b0a5402bad621c75df217a5e41c0f73d40410910b8a00a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9331111d52bbbcb1b0a5402bad621c75df217a5e41c0f73d40410910b8a00a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9331111d52bbbcb1b0a5402bad621c75df217a5e41c0f73d40410910b8a00a6", kill_on_drop: false }`
[INFO] [stdout] f9331111d52bbbcb1b0a5402bad621c75df217a5e41c0f73d40410910b8a00a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ff4d8a95083569c0cf8e608d7a3705ad6a2de299fef4b39d5d5175d34163f567
[INFO] running `Command { std: "docker" "start" "-a" "ff4d8a95083569c0cf8e608d7a3705ad6a2de299fef4b39d5d5175d34163f567", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
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[INFO] [stderr]     Checking crabby-webshell-generator v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/strategies/webshell/php_feature.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PhpFeature {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     /// The path of the feature
[INFO] [stdout] 9 |     pub path: PathBuf,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PhpFeature` has a derived impl for the trait `Debug`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]  --> src/strategies/webshell/php_feature.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PhpFeature {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     /// The path of the feature
[INFO] [stdout] 9 |     pub path: PathBuf,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PhpFeature` has a derived impl for the trait `Debug`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.48s
[INFO] running `Command { std: "docker" "inspect" "ff4d8a95083569c0cf8e608d7a3705ad6a2de299fef4b39d5d5175d34163f567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4d8a95083569c0cf8e608d7a3705ad6a2de299fef4b39d5d5175d34163f567", kill_on_drop: false }`
[INFO] [stdout] ff4d8a95083569c0cf8e608d7a3705ad6a2de299fef4b39d5d5175d34163f567