[INFO] fetching crate wordshk_tools 3.16.0-beta.9...
[INFO] checking wordshk_tools-3.16.0-beta.9 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate wordshk_tools 3.16.0-beta.9 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate wordshk_tools 3.16.0-beta.9 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wordshk_tools 3.16.0-beta.9
[INFO] finished tweaking crates.io crate wordshk_tools 3.16.0-beta.9
[INFO] tweaked toml for crates.io crate wordshk_tools 3.16.0-beta.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 178 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a4c9fea1ae47143c482790b6daaebd63e17dd4e97eb13f2daaa3ea38a3c5cc
[INFO] running `Command { std: "docker" "start" "-a" "33a4c9fea1ae47143c482790b6daaebd63e17dd4e97eb13f2daaa3ea38a3c5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a4c9fea1ae47143c482790b6daaebd63e17dd4e97eb13f2daaa3ea38a3c5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a4c9fea1ae47143c482790b6daaebd63e17dd4e97eb13f2daaa3ea38a3c5cc", kill_on_drop: false }`
[INFO] [stdout] 33a4c9fea1ae47143c482790b6daaebd63e17dd4e97eb13f2daaa3ea38a3c5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2f1451e9354f00e67d0759dae48d78ceffd8713102aa0d88deed44c5940b44d
[INFO] running `Command { std: "docker" "start" "-a" "f2f1451e9354f00e67d0759dae48d78ceffd8713102aa0d88deed44c5940b44d", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `pr_location`
[INFO] [stdout]    --> src/pr_index.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn generate_yale_variants(pr_location: PrLocation, pr: String, index: &mut PrIndices) {
[INFO] [stdout]     |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_location`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr`
[INFO] [stdout]    --> src/pr_index.rs:197:52
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn generate_yale_variants(pr_location: PrLocation, pr: String, index: &mut PrIndices) {
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_pr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/pr_index.rs:197:64
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn generate_yale_variants(pr_location: PrLocation, pr: String, index: &mut PrIndices) {
[INFO] [stdout]     |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr_location`
[INFO] [stdout]    --> src/pr_index.rs:197:27
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn generate_yale_variants(pr_location: PrLocation, pr: String, index: &mut PrIndices) {
[INFO] [stdout]     |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pr_location`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pr`
[INFO] [stdout]    --> src/pr_index.rs:197:52
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn generate_yale_variants(pr_location: PrLocation, pr: String, index: &mut PrIndices) {
[INFO] [stdout]     |                                                    ^^ help: if this is intentional, prefix it with an underscore: `_pr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/pr_index.rs:197:64
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn generate_yale_variants(pr_location: PrLocation, pr: String, index: &mut PrIndices) {
[INFO] [stdout]     |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.08s
[INFO] running `Command { std: "docker" "inspect" "f2f1451e9354f00e67d0759dae48d78ceffd8713102aa0d88deed44c5940b44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f1451e9354f00e67d0759dae48d78ceffd8713102aa0d88deed44c5940b44d", kill_on_drop: false }`
[INFO] [stdout] f2f1451e9354f00e67d0759dae48d78ceffd8713102aa0d88deed44c5940b44d