[INFO] fetching crate kadcast 0.7.0-rc.6...
[INFO] checking kadcast-0.7.0-rc.6 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate kadcast 0.7.0-rc.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate kadcast 0.7.0-rc.6 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] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate kadcast 0.7.0-rc.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kadcast 0.7.0-rc.6
[INFO] tweaked toml for crates.io crate kadcast 0.7.0-rc.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate kadcast 0.7.0-rc.6 already has a lockfile, it will not be regenerated
[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-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] e859e5c17c72a792a55774c61e6ecd5a38b43b5f414ebfc3db7490fe83cc7686
[INFO] running `Command { std: "docker" "start" "-a" "e859e5c17c72a792a55774c61e6ecd5a38b43b5f414ebfc3db7490fe83cc7686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e859e5c17c72a792a55774c61e6ecd5a38b43b5f414ebfc3db7490fe83cc7686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e859e5c17c72a792a55774c61e6ecd5a38b43b5f414ebfc3db7490fe83cc7686", kill_on_drop: false }`
[INFO] [stdout] e859e5c17c72a792a55774c61e6ecd5a38b43b5f414ebfc3db7490fe83cc7686
[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] 9d8a47f54dd476b1576b93bffb1bae18e7e7228c9e258d62b954afaa811cec05
[INFO] running `Command { std: "docker" "start" "-a" "9d8a47f54dd476b1576b93bffb1bae18e7e7228c9e258d62b954afaa811cec05", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking konst_macro_rules v0.2.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling konst_proc_macros v0.2.11
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking konst v0.2.19
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking chrono v0.4.28
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking raptorq v2.0.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking rustc_tools_util v0.2.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking kadcast v0.7.0-rc.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BinaryNonce`
[INFO] [stdout]   --> src/kbucket.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use key::{BinaryID, BinaryKey, BinaryNonce};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryNonce`
[INFO] [stdout]   --> src/kbucket.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use key::{BinaryID, BinaryKey, BinaryNonce};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 37.55s
[INFO] running `Command { std: "docker" "inspect" "9d8a47f54dd476b1576b93bffb1bae18e7e7228c9e258d62b954afaa811cec05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8a47f54dd476b1576b93bffb1bae18e7e7228c9e258d62b954afaa811cec05", kill_on_drop: false }`
[INFO] [stdout] 9d8a47f54dd476b1576b93bffb1bae18e7e7228c9e258d62b954afaa811cec05