[INFO] fetching crate whitespacesv 1.0.2...
[INFO] checking whitespacesv-1.0.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate whitespacesv 1.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate whitespacesv 1.0.2 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] started tweaking crates.io crate whitespacesv 1.0.2
[INFO] finished tweaking crates.io crate whitespacesv 1.0.2
[INFO] tweaked toml for crates.io crate whitespacesv 1.0.2 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 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-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] 75a33e3494ead38f1d807be1918ace08cb9714264388011c033011d0f3e0d420
[INFO] running `Command { std: "docker" "start" "-a" "75a33e3494ead38f1d807be1918ace08cb9714264388011c033011d0f3e0d420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a33e3494ead38f1d807be1918ace08cb9714264388011c033011d0f3e0d420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a33e3494ead38f1d807be1918ace08cb9714264388011c033011d0f3e0d420", kill_on_drop: false }`
[INFO] [stdout] 75a33e3494ead38f1d807be1918ace08cb9714264388011c033011d0f3e0d420
[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] becd0586e52e0380e9e18763536a79302df10cb98c5c9d2622ba728dd0222126
[INFO] running `Command { std: "docker" "start" "-a" "becd0586e52e0380e9e18763536a79302df10cb98c5c9d2622ba728dd0222126", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking whitespacesv v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `WSVErrorType`, `WSVLazyTokenizer`, `WSVTokenizer`, and `parse_lazy`
[INFO] [stdout]     --> src/lib.rs:1001:9
[INFO] [stdout]      |
[INFO] [stdout] 1001 |         parse_lazy, OwnedWSVToken, WSVError, WSVErrorType, WSVLazyTokenizer, WSVToken, WSVTokenizer,
[INFO] [stdout]      |         ^^^^^^^^^^                           ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^            ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]     --> src/lib.rs:999:1
[INFO] [stdout]      |
[INFO] [stdout] 999  | mod tests {
[INFO] [stdout]      | ^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WSVWriter` and `parse`
[INFO] [stdout]     --> src/lib.rs:1004:17
[INFO] [stdout]      |
[INFO] [stdout] 1004 |     use super::{parse, WSVWriter};
[INFO] [stdout]      |                 ^^^^^  ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]     --> src/lib.rs:999:1
[INFO] [stdout]      |
[INFO] [stdout] 999  | mod tests {
[INFO] [stdout]      | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `borrow::Cow` and `fmt::write`
[INFO] [stdout]     --> src/lib.rs:1005:15
[INFO] [stdout]      |
[INFO] [stdout] 1005 |     use std::{borrow::Cow, fmt::write};
[INFO] [stdout]      |               ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]     --> src/lib.rs:999:1
[INFO] [stdout]      |
[INFO] [stdout] 999  | mod tests {
[INFO] [stdout]      | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking utf8-chars v3.0.4
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]     --> src/lib.rs:1005:28
[INFO] [stdout]      |
[INFO] [stdout] 1005 |     use std::{borrow::Cow, fmt::write};
[INFO] [stdout]      |                            ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "becd0586e52e0380e9e18763536a79302df10cb98c5c9d2622ba728dd0222126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becd0586e52e0380e9e18763536a79302df10cb98c5c9d2622ba728dd0222126", kill_on_drop: false }`
[INFO] [stdout] becd0586e52e0380e9e18763536a79302df10cb98c5c9d2622ba728dd0222126