[INFO] fetching crate vented 0.11.7...
[INFO] checking vented-0.11.7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate vented 0.11.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate vented 0.11.7 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 vented 0.11.7
[INFO] finished tweaking crates.io crate vented 0.11.7
[INFO] tweaked toml for crates.io crate vented 0.11.7 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 137 packages to latest compatible versions
[INFO] [stderr]       Adding aead v0.3.2 (available: v0.5.2)
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (available: v0.10.4)
[INFO] [stderr]       Adding chacha20 v0.6.0 (available: v0.9.1)
[INFO] [stderr]       Adding chacha20poly1305 v0.7.1 (available: v0.10.1)
[INFO] [stderr]       Adding cipher v0.2.5 (available: v0.4.4)
[INFO] [stderr]       Adding colored v1.9.4 (available: v2.1.0)
[INFO] [stderr]       Adding cpuid-bool v0.2.0 (available: v0.99.99)
[INFO] [stderr]       Adding crypto_box v0.5.0 (available: v0.9.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (available: v4.1.3)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (available: v0.2.15)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (available: v0.9.10)
[INFO] [stderr]       Adding poly1305 v0.6.2 (available: v0.8.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (available: v0.3.2)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (available: v0.5.6)
[INFO] [stderr]       Adding rmp-serde v0.14.4 (available: v1.3.0)
[INFO] [stderr]       Adding salsa20 v0.7.2 (available: v0.10.2)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.8)
[INFO] [stderr]       Adding simple_logger v1.16.0 (available: v5.0.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding universal-hash v0.4.1 (available: v0.5.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding x25519-dalek v1.2.0 (available: v2.0.1)
[INFO] [stderr]       Adding xsalsa20poly1305 v0.6.0 (available: v0.9.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.1)
[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] 6ca89ae737edcbad9de9caff4d96bb7d05ceb611db4764e335a643a71f650d20
[INFO] running `Command { std: "docker" "start" "-a" "6ca89ae737edcbad9de9caff4d96bb7d05ceb611db4764e335a643a71f650d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ca89ae737edcbad9de9caff4d96bb7d05ceb611db4764e335a643a71f650d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca89ae737edcbad9de9caff4d96bb7d05ceb611db4764e335a643a71f650d20", kill_on_drop: false }`
[INFO] [stdout] 6ca89ae737edcbad9de9caff4d96bb7d05ceb611db4764e335a643a71f650d20
[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] 15eb5ee939ec3d12ade3cd118562f44f3e366606e0bcf805c1f8a5638357de3f
[INFO] running `Command { std: "docker" "start" "-a" "15eb5ee939ec3d12ade3cd118562f44f3e366606e0bcf805c1f8a5638357de3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking value-bag v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking chacha20 v0.6.0
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking chacha20poly1305 v0.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking crypto_box v0.5.0
[INFO] [stderr]     Checking async-listen v0.2.1
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking vented v0.11.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `forwarded_connections` is never read
[INFO] [stdout]   --> src/server/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct VentedServer {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 78 |     forwarded_connections: ForwardFutureVector,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VentedServer` has a derived impl for the trait `Clone`, 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 `forwarded_connections` is never read
[INFO] [stdout]   --> src/server/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct VentedServer {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 78 |     forwarded_connections: ForwardFutureVector,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VentedServer` has a derived impl for the trait `Clone`, 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 11.85s
[INFO] running `Command { std: "docker" "inspect" "15eb5ee939ec3d12ade3cd118562f44f3e366606e0bcf805c1f8a5638357de3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15eb5ee939ec3d12ade3cd118562f44f3e366606e0bcf805c1f8a5638357de3f", kill_on_drop: false }`
[INFO] [stdout] 15eb5ee939ec3d12ade3cd118562f44f3e366606e0bcf805c1f8a5638357de3f