[INFO] fetching crate env_proc 0.1.0...
[INFO] checking env_proc-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate env_proc 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate env_proc 0.1.0 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] started tweaking crates.io crate env_proc 0.1.0
[INFO] finished tweaking crates.io crate env_proc 0.1.0
[INFO] tweaked toml for crates.io crate env_proc 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.86)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.37)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.79)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (available: v0.2.6)
[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] cdbdc3c16b6f9b367104b92e6891338158fb31458ad2110b78622290d01c7d57
[INFO] running `Command { std: "docker" "start" "-a" "cdbdc3c16b6f9b367104b92e6891338158fb31458ad2110b78622290d01c7d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbdc3c16b6f9b367104b92e6891338158fb31458ad2110b78622290d01c7d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbdc3c16b6f9b367104b92e6891338158fb31458ad2110b78622290d01c7d57", kill_on_drop: false }`
[INFO] [stdout] cdbdc3c16b6f9b367104b92e6891338158fb31458ad2110b78622290d01c7d57
[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] f3375b1579e77f3f82b5b564c069b5293b17440c8a1ede68cb4f6a14ea33fc00
[INFO] running `Command { std: "docker" "start" "-a" "f3375b1579e77f3f82b5b564c069b5293b17440c8a1ede68cb4f6a14ea33fc00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling env_proc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Invalid { ident: String, span: Span },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` 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: field `ident` is never read
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Invalid { ident: String, span: Span },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Invalid { ident: String, span: Span },
[INFO] [stdout]    |     -------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` 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 12.90s
[INFO] running `Command { std: "docker" "inspect" "f3375b1579e77f3f82b5b564c069b5293b17440c8a1ede68cb4f6a14ea33fc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3375b1579e77f3f82b5b564c069b5293b17440c8a1ede68cb4f6a14ea33fc00", kill_on_drop: false }`
[INFO] [stdout] f3375b1579e77f3f82b5b564c069b5293b17440c8a1ede68cb4f6a14ea33fc00