[INFO] fetching crate playit-agent-core 0.17.5...
[INFO] checking playit-agent-core-0.17.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate playit-agent-core 0.17.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate playit-agent-core 0.17.5 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 playit-agent-core 0.17.5
[INFO] finished tweaking crates.io crate playit-agent-core 0.17.5
[INFO] tweaked toml for crates.io crate playit-agent-core 0.17.5 written to /workspace/builds/worker-2-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 169 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding windows-registry v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding windows-strings v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d4fb4f982cf3179ae8d92619feaa5960d71810961254a0e3b74d83634c3f359d
[INFO] running `Command { std: "docker" "start" "-a" "d4fb4f982cf3179ae8d92619feaa5960d71810961254a0e3b74d83634c3f359d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4fb4f982cf3179ae8d92619feaa5960d71810961254a0e3b74d83634c3f359d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fb4f982cf3179ae8d92619feaa5960d71810961254a0e3b74d83634c3f359d", kill_on_drop: false }`
[INFO] [stdout] d4fb4f982cf3179ae8d92619feaa5960d71810961254a0e3b74d83634c3f359d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 09ad8f35563028f78493256f6a97e15add659a0792e9ded133ee2a3e84d2e6bc
[INFO] running `Command { std: "docker" "start" "-a" "09ad8f35563028f78493256f6a97e15add659a0792e9ded133ee2a3e84d2e6bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking smallvec v1.13.2
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[INFO] [stderr]    Compiling parking_lot_core v0.9.10
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[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking once_cell v1.19.0
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[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking thread_local v1.1.8
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[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
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[INFO] [stderr]    Compiling ring v0.17.8
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[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking rustls-webpki v0.102.8
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[INFO] [stderr]     Checking playit-agent-proto v1.1.0
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking hyper-util v0.1.9
[INFO] [stderr]     Checking hyper-rustls v0.27.3
[INFO] [stderr]     Checking reqwest v0.12.7
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking playit-api-client v0.1.0
[INFO] [stderr]     Checking playit-agent-core v0.17.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `dropper` is never read
[INFO] [stdout]   --> src/network/tcp_clients.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct TcpClientWrite {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 96 |     stream: OwnedWriteHalf,
[INFO] [stdout] 97 |     dropper: Arc<Dropper>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dropper` is never read
[INFO] [stdout]    --> src/network/tcp_clients.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct TcpClientRead {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 101 |     stream: OwnedReadHalf,
[INFO] [stdout] 102 |     dropper: Arc<Dropper>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dropper` is never read
[INFO] [stdout]   --> src/network/tcp_clients.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct TcpClientWrite {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 96 |     stream: OwnedWriteHalf,
[INFO] [stdout] 97 |     dropper: Arc<Dropper>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dropper` is never read
[INFO] [stdout]    --> src/network/tcp_clients.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct TcpClientRead {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 101 |     stream: OwnedReadHalf,
[INFO] [stdout] 102 |     dropper: Arc<Dropper>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.67s
[INFO] running `Command { std: "docker" "inspect" "09ad8f35563028f78493256f6a97e15add659a0792e9ded133ee2a3e84d2e6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ad8f35563028f78493256f6a97e15add659a0792e9ded133ee2a3e84d2e6bc", kill_on_drop: false }`
[INFO] [stdout] 09ad8f35563028f78493256f6a97e15add659a0792e9ded133ee2a3e84d2e6bc