[INFO] fetching crate nl80211-rs 0.1.0...
[INFO] checking nl80211-rs-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate nl80211-rs 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate nl80211-rs 0.1.0 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 nl80211-rs 0.1.0
[INFO] finished tweaking crates.io crate nl80211-rs 0.1.0
[INFO] tweaked toml for crates.io crate nl80211-rs 0.1.0 written to /workspace/builds/worker-5-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 55 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.6.10 (available: v1.1.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding error-chain v0.11.0 (available: v0.12.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[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 regex v0.2.11 (available: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (available: v0.8.4)
[INFO] [stderr]       Adding strsim v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding thread_local v0.3.6 (available: v1.1.8)
[INFO] [stderr]       Adding ucd-util v0.1.10 (available: v0.2.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d7fa20a794482712e22c992b10724b1219cbc71d1e655c9d149bb6b755856060
[INFO] running `Command { std: "docker" "start" "-a" "d7fa20a794482712e22c992b10724b1219cbc71d1e655c9d149bb6b755856060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7fa20a794482712e22c992b10724b1219cbc71d1e655c9d149bb6b755856060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fa20a794482712e22c992b10724b1219cbc71d1e655c9d149bb6b755856060", kill_on_drop: false }`
[INFO] [stdout] d7fa20a794482712e22c992b10724b1219cbc71d1e655c9d149bb6b755856060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dc2c6003dd3e1a29c3c4f242995aa2f2e29ce99fec5d87738df84e96be6b144f
[INFO] running `Command { std: "docker" "start" "-a" "dc2c6003dd3e1a29c3c4f242995aa2f2e29ce99fec5d87738df84e96be6b144f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking netlink-rust v0.1.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling nl80211-buildtools v0.1.0
[INFO] [stderr]    Compiling nl80211-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `version`, `cipher_suite`, `ptksa_counters`, and `gtksa_counters` are never read
[INFO] [stdout]    --> src/information_element.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub struct RobustSecurityNetwork {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] 218 |     version: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 219 |     cipher_suite: CipherSuite,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     ptksa_counters: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 224 |     gtksa_counters: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RobustSecurityNetwork` has a derived impl for the trait `Debug`, 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: fields `version`, `cipher_suite`, `ptksa_counters`, and `gtksa_counters` are never read
[INFO] [stdout]    --> src/information_element.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub struct RobustSecurityNetwork {
[INFO] [stdout]     |            --------------------- fields in this struct
[INFO] [stdout] 218 |     version: u16,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 219 |     cipher_suite: CipherSuite,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |     ptksa_counters: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 224 |     gtksa_counters: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RobustSecurityNetwork` has a derived impl for the trait `Debug`, 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 4.84s
[INFO] running `Command { std: "docker" "inspect" "dc2c6003dd3e1a29c3c4f242995aa2f2e29ce99fec5d87738df84e96be6b144f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2c6003dd3e1a29c3c4f242995aa2f2e29ce99fec5d87738df84e96be6b144f", kill_on_drop: false }`
[INFO] [stdout] dc2c6003dd3e1a29c3c4f242995aa2f2e29ce99fec5d87738df84e96be6b144f