[INFO] fetching crate functional-closures 0.4.0...
[INFO] checking functional-closures-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate functional-closures 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate functional-closures 0.4.0 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 functional-closures 0.4.0
[INFO] finished tweaking crates.io crate functional-closures 0.4.0
[INFO] tweaked toml for crates.io crate functional-closures 0.4.0 written to /workspace/builds/worker-7-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 8 packages to latest compatible versions
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d3f3261d30350326cbc213f9f8a6cc0886737aca8f60628aaff82c220690929f
[INFO] running `Command { std: "docker" "start" "-a" "d3f3261d30350326cbc213f9f8a6cc0886737aca8f60628aaff82c220690929f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3f3261d30350326cbc213f9f8a6cc0886737aca8f60628aaff82c220690929f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f3261d30350326cbc213f9f8a6cc0886737aca8f60628aaff82c220690929f", kill_on_drop: false }`
[INFO] [stdout] d3f3261d30350326cbc213f9f8a6cc0886737aca8f60628aaff82c220690929f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 67d1f55b3e129259d5b0e2b29598b8825c30437ff974bd4b88d098e3718da4fb
[INFO] running `Command { std: "docker" "start" "-a" "67d1f55b3e129259d5b0e2b29598b8825c30437ff974bd4b88d098e3718da4fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking functional-closures v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:284:15
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:293:15
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:316:12
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:321:19
[INFO] [stdout]     |
[INFO] [stdout] 321 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:335:19
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lib.rs:344:19
[INFO] [stdout]     |
[INFO] [stdout] 344 |             let (y, f ,g , h) = define_shit();
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:357:12
[INFO] [stdout]     |
[INFO] [stdout] 357 |             let (y, f, g, h) = define_shit();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "67d1f55b3e129259d5b0e2b29598b8825c30437ff974bd4b88d098e3718da4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d1f55b3e129259d5b0e2b29598b8825c30437ff974bd4b88d098e3718da4fb", kill_on_drop: false }`
[INFO] [stdout] 67d1f55b3e129259d5b0e2b29598b8825c30437ff974bd4b88d098e3718da4fb