[INFO] fetching crate holodeque 0.2.0...
[INFO] checking holodeque-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate holodeque 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate holodeque 0.2.0 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 holodeque 0.2.0
[INFO] finished tweaking crates.io crate holodeque 0.2.0
[INFO] tweaked toml for crates.io crate holodeque 0.2.0 written to /workspace/builds/worker-3-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 43 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.5)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (available: v0.12.1)
[INFO] [stderr]       Adding toml v0.7.8 (available: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7b74e8d57efa67af4c2f5c4f323e7be2b7565d59e8b2fb0b94772da37f18173d
[INFO] running `Command { std: "docker" "start" "-a" "7b74e8d57efa67af4c2f5c4f323e7be2b7565d59e8b2fb0b94772da37f18173d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b74e8d57efa67af4c2f5c4f323e7be2b7565d59e8b2fb0b94772da37f18173d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b74e8d57efa67af4c2f5c4f323e7be2b7565d59e8b2fb0b94772da37f18173d", kill_on_drop: false }`
[INFO] [stdout] 7b74e8d57efa67af4c2f5c4f323e7be2b7565d59e8b2fb0b94772da37f18173d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dab782ce1c168f356c3750b582ac8b04b17092d59c68b4397608adad270a400f
[INFO] running `Command { std: "docker" "start" "-a" "dab782ce1c168f356c3750b582ac8b04b17092d59c68b4397608adad270a400f", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking holodeque v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stdout] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![feature(array_map)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stdout] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | #![feature(array_map)]
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` 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 7.51s
[INFO] running `Command { std: "docker" "inspect" "dab782ce1c168f356c3750b582ac8b04b17092d59c68b4397608adad270a400f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab782ce1c168f356c3750b582ac8b04b17092d59c68b4397608adad270a400f", kill_on_drop: false }`
[INFO] [stdout] dab782ce1c168f356c3750b582ac8b04b17092d59c68b4397608adad270a400f