[INFO] fetching crate dts-core 0.2.7...
[INFO] checking dts-core-0.2.7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate dts-core 0.2.7 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dts-core 0.2.7 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 dts-core 0.2.7
[INFO] finished tweaking crates.io crate dts-core 0.2.7
[INFO] tweaked toml for crates.io crate dts-core 0.2.7 written to /workspace/builds/worker-1-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 109 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding clap v3.0.0-rc.7 (available: v3.2.25)
[INFO] [stderr]       Adding clap_derive v3.0.0-rc.7 (available: v3.2.25)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding hcl-rs v0.3.3 (available: v0.18.1)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (available: v7.0.0)
[INFO] [stderr]       Adding serde-xml-rs v0.5.1 (available: v0.6.0)
[INFO] [stderr]       Adding serde_qs v0.9.2 (available: v0.13.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding textwrap v0.14.2 (available: v0.16.1)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f6f0544419526cef8107df4abd1766be7d3882409e56362933797f08ed051ec
[INFO] running `Command { std: "docker" "start" "-a" "0f6f0544419526cef8107df4abd1766be7d3882409e56362933797f08ed051ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f6f0544419526cef8107df4abd1766be7d3882409e56362933797f08ed051ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6f0544419526cef8107df4abd1766be7d3882409e56362933797f08ed051ec", kill_on_drop: false }`
[INFO] [stdout] 0f6f0544419526cef8107df4abd1766be7d3882409e56362933797f08ed051ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a737a5e7d4a5703c72e7c8e33b1709e2e2ae743f9cb8a8a4559d7fb021f91a08
[INFO] running `Command { std: "docker" "start" "-a" "a737a5e7d4a5703c72e7c8e33b1709e2e2ae743f9cb8a8a4559d7fb021f91a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustls v0.23.13
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking xml-rs v0.8.22
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking webpki-roots v0.26.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.7
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking pest v2.7.13
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling pest_meta v2.7.13
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]    Compiling pest_generator v2.7.13
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling pest_derive v2.7.13
[INFO] [stderr]     Checking ureq v2.10.1
[INFO] [stderr]     Checking serde_qs v0.9.2
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde-xml-rs v0.5.1
[INFO] [stderr]     Checking clap v3.0.0-rc.7
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking hcl-rs v0.3.3
[INFO] [stderr]     Checking dts-core v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/value.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait ValueExt {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[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: method `is_empty` is never used
[INFO] [stdout]   --> src/value.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait ValueExt {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[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 19.63s
[INFO] running `Command { std: "docker" "inspect" "a737a5e7d4a5703c72e7c8e33b1709e2e2ae743f9cb8a8a4559d7fb021f91a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a737a5e7d4a5703c72e7c8e33b1709e2e2ae743f9cb8a8a4559d7fb021f91a08", kill_on_drop: false }`
[INFO] [stdout] a737a5e7d4a5703c72e7c8e33b1709e2e2ae743f9cb8a8a4559d7fb021f91a08