[INFO] fetching crate runcfg 1.0.0...
[INFO] checking runcfg-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate runcfg 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate runcfg 1.0.0 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 runcfg 1.0.0
[INFO] finished tweaking crates.io crate runcfg 1.0.0
[INFO] tweaked toml for crates.io crate runcfg 1.0.0 written to /workspace/builds/worker-4-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 132 packages to latest compatible versions
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (available: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (available: v0.3.1)
[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 linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding security-framework v2.11.1 (available: v3.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dd38219f35a1711df25093b10374e7c53dbf52bbda3795dd314665d9f769f7c0
[INFO] running `Command { std: "docker" "start" "-a" "dd38219f35a1711df25093b10374e7c53dbf52bbda3795dd314665d9f769f7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd38219f35a1711df25093b10374e7c53dbf52bbda3795dd314665d9f769f7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd38219f35a1711df25093b10374e7c53dbf52bbda3795dd314665d9f769f7c0", kill_on_drop: false }`
[INFO] [stdout] dd38219f35a1711df25093b10374e7c53dbf52bbda3795dd314665d9f769f7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0abe3b82da2960f67873e635b7ed07bd1086e1e036aecb678894578307dc383a
[INFO] running `Command { std: "docker" "start" "-a" "0abe3b82da2960f67873e635b7ed07bd1086e1e036aecb678894578307dc383a", kill_on_drop: false }`
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking rustls-pemfile v2.1.3
[INFO] [stderr]     Checking openssl v0.10.66
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking native-tls v0.2.12
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]     Checking hyper-util v0.1.9
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.7
[INFO] [stderr]     Checking runcfg v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]   --> src/lib.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) struct Client {
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `load` are never used
[INFO] [stdout]   --> src/lib.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     impl Client {
[INFO] [stdout]    |     ----------- associated items in this implementation
[INFO] [stdout] 43 |         pub fn new() -> Client {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         pub fn load<'de, T>(mut self) -> Option<T> where T: DeserializeOwned + std::fmt::Debug {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unescape` is never used
[INFO] [stdout]   --> src/lib.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn unescape(s: &str) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `exampleConfig` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let exampleConfig:  ExampleConfig = client.load().unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `example_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` 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 15.23s
[INFO] running `Command { std: "docker" "inspect" "0abe3b82da2960f67873e635b7ed07bd1086e1e036aecb678894578307dc383a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abe3b82da2960f67873e635b7ed07bd1086e1e036aecb678894578307dc383a", kill_on_drop: false }`
[INFO] [stdout] 0abe3b82da2960f67873e635b7ed07bd1086e1e036aecb678894578307dc383a