[INFO] fetching crate tang-rs 0.2.0...
[INFO] checking tang-rs-0.2.0 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] extracting crate tang-rs 0.2.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tang-rs 0.2.0 on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 110 packages to latest compatible versions
[INFO] [stderr]       Adding smol v0.1.18 (available: v2.0.2)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.46.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bce25645bddf1a9f6d9a6a15549a86a25f2cc653cda117ef626b356cc526657
[INFO] running `Command { std: "docker" "start" "-a" "6bce25645bddf1a9f6d9a6a15549a86a25f2cc653cda117ef626b356cc526657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bce25645bddf1a9f6d9a6a15549a86a25f2cc653cda117ef626b356cc526657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bce25645bddf1a9f6d9a6a15549a86a25f2cc653cda117ef626b356cc526657", kill_on_drop: false }`
[INFO] [stdout] 6bce25645bddf1a9f6d9a6a15549a86a25f2cc653cda117ef626b356cc526657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b038cbaa6c12c6f27c04c0fc65a52d3b852a7872109572a37634ff922c77a3f6
[INFO] running `Command { std: "docker" "start" "-a" "b038cbaa6c12c6f27c04c0fc65a52d3b852a7872109572a37634ff922c77a3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking once_cell v1.21.3
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[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tang-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.27
[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/manager.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn connect(&self) -> ManagerFuture<Result<Self::Connection, Self::Error>>;
[INFO] [stdout]    |                ^^^^^     ---------------------------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn connect(&self) -> ManagerFuture<'_, Result<Self::Connection, Self::Error>>;
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking polling v3.9.0
[INFO] [stderr]     Checking async-io v2.5.0
[INFO] [stderr]     Checking async-signal v0.2.12
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[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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/manager.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn connect(&self) -> ManagerFuture<Result<Self::Connection, Self::Error>>;
[INFO] [stdout]    |                ^^^^^     ---------------------------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn connect(&self) -> ManagerFuture<'_, Result<Self::Connection, Self::Error>>;
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.73s
[INFO] running `Command { std: "docker" "inspect" "b038cbaa6c12c6f27c04c0fc65a52d3b852a7872109572a37634ff922c77a3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b038cbaa6c12c6f27c04c0fc65a52d3b852a7872109572a37634ff922c77a3f6", kill_on_drop: false }`
[INFO] [stdout] b038cbaa6c12c6f27c04c0fc65a52d3b852a7872109572a37634ff922c77a3f6