[INFO] fetching crate bart_derive 0.1.6...
[INFO] checking bart_derive-0.1.6 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate bart_derive 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bart_derive 0.1.6 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] started tweaking crates.io crate bart_derive 0.1.6
[INFO] finished tweaking crates.io crate bart_derive 0.1.6
[INFO] tweaked toml for crates.io crate bart_derive 0.1.6 written to /workspace/builds/worker-6-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 11 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.6.5 (available: v0.13.0)
[INFO] [stderr]       Adding num v0.1.42 (available: v0.4.3)
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.37)
[INFO] [stderr]       Adding syn v0.11.11 (available: v2.0.79)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3be1754ad4a629d57d1db76d023b9764d9b98d3e7758d8410cd9391bc56ce8f1
[INFO] running `Command { std: "docker" "start" "-a" "3be1754ad4a629d57d1db76d023b9764d9b98d3e7758d8410cd9391bc56ce8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3be1754ad4a629d57d1db76d023b9764d9b98d3e7758d8410cd9391bc56ce8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be1754ad4a629d57d1db76d023b9764d9b98d3e7758d8410cd9391bc56ce8f1", kill_on_drop: false }`
[INFO] [stdout] 3be1754ad4a629d57d1db76d023b9764d9b98d3e7758d8410cd9391bc56ce8f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2b24802934f084c92440808a4c1ce7513b8dcbcdd863997e8b244085bf38a83
[INFO] running `Command { std: "docker" "start" "-a" "f2b24802934f084c92440808a4c1ce7513b8dcbcdd863997e8b244085bf38a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking bart_derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `expected` and `found` are never read
[INFO] [stdout]  --> src/parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Mismatch {
[INFO] [stdout]   |     -------- fields in this variant
[INFO] [stdout] 8 |         expected: &'static str,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |         found: Option<Token<'a>>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` 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 `expected` and `found` are never read
[INFO] [stdout]  --> src/parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Mismatch {
[INFO] [stdout]   |     -------- fields in this variant
[INFO] [stdout] 8 |         expected: &'static str,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |         found: Option<Token<'a>>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` 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 1.74s
[INFO] running `Command { std: "docker" "inspect" "f2b24802934f084c92440808a4c1ce7513b8dcbcdd863997e8b244085bf38a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b24802934f084c92440808a4c1ce7513b8dcbcdd863997e8b244085bf38a83", kill_on_drop: false }`
[INFO] [stdout] f2b24802934f084c92440808a4c1ce7513b8dcbcdd863997e8b244085bf38a83