[INFO] fetching crate tang-rs 0.2.0...
[INFO] checking tang-rs-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate tang-rs 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tang-rs 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 tang-rs 0.2.0
[INFO] finished tweaking crates.io crate tang-rs 0.2.0
[INFO] tweaked toml for crates.io crate tang-rs 0.2.0 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 114 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding async-task v3.0.0 (available: v4.7.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding blocking v0.4.7 (available: v1.6.1)
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.7.2)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding concurrent-queue v1.2.4 (available: v2.5.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.1.1)
[INFO] [stderr]       Adding futures-lite v0.1.11 (available: v2.3.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.0.2)
[INFO] [stderr]       Adding miow v0.2.2 (available: v0.6.0)
[INFO] [stderr]       Adding miow v0.3.7 (available: v0.6.0)
[INFO] [stderr]       Adding parking v1.0.6 (available: v2.2.1)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (available: v0.2.14)
[INFO] [stderr]       Adding smol v0.1.18 (available: v2.0.2)
[INFO] [stderr]       Adding socket2 v0.3.19 (available: v0.5.7)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.40.0)
[INFO] [stderr]       Adding tokio-macros v0.2.6 (available: v2.4.0)
[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2ad07d25ac2ce2f28815111ae20ea59ba5738e097fe3db558b8a1e060e3a2eb6
[INFO] running `Command { std: "docker" "start" "-a" "2ad07d25ac2ce2f28815111ae20ea59ba5738e097fe3db558b8a1e060e3a2eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ad07d25ac2ce2f28815111ae20ea59ba5738e097fe3db558b8a1e060e3a2eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad07d25ac2ce2f28815111ae20ea59ba5738e097fe3db558b8a1e060e3a2eb6", kill_on_drop: false }`
[INFO] [stdout] 2ad07d25ac2ce2f28815111ae20ea59ba5738e097fe3db558b8a1e060e3a2eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9a4376d84579f7cb55fd690c836a483c5b546ddadf7f048130043d468b00d57f
[INFO] running `Command { std: "docker" "start" "-a" "9a4376d84579f7cb55fd690c836a483c5b546ddadf7f048130043d468b00d57f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tang-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/util/spin_pool.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util/spin_pool.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 spin_loop_hint();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/util/spin_pool.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if self.state.compare_and_swap(FREE, LOCKED, Ordering::Acquire) == FREE {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-process v2.3.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/util/spin_pool.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util/spin_pool.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 spin_loop_hint();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/util/spin_pool.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if self.state.compare_and_swap(FREE, LOCKED, Ordering::Acquire) == FREE {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "9a4376d84579f7cb55fd690c836a483c5b546ddadf7f048130043d468b00d57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4376d84579f7cb55fd690c836a483c5b546ddadf7f048130043d468b00d57f", kill_on_drop: false }`
[INFO] [stdout] 9a4376d84579f7cb55fd690c836a483c5b546ddadf7f048130043d468b00d57f