[INFO] fetching crate ttgraph 0.3.1...
[INFO] checking ttgraph-0.3.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ttgraph 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ttgraph 0.3.1 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 ttgraph 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ttgraph 0.3.1
[INFO] tweaked toml for crates.io crate ttgraph 0.3.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 37 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (available: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding fancy-regex v0.3.5 (available: v0.13.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01318abe3e1205557ee8c8fcac36fa4eb5361c1f67eb3e4e36a9bc39d2fadc50
[INFO] running `Command { std: "docker" "start" "-a" "01318abe3e1205557ee8c8fcac36fa4eb5361c1f67eb3e4e36a9bc39d2fadc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01318abe3e1205557ee8c8fcac36fa4eb5361c1f67eb3e4e36a9bc39d2fadc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01318abe3e1205557ee8c8fcac36fa4eb5361c1f67eb3e4e36a9bc39d2fadc50", kill_on_drop: false }`
[INFO] [stdout] 01318abe3e1205557ee8c8fcac36fa4eb5361c1f67eb3e4e36a9bc39d2fadc50
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b37469e515c6b0e826efd4992e1bb0d5b0a3acbb2ff1d6bf2def56853a722e
[INFO] running `Command { std: "docker" "start" "-a" "29b37469e515c6b0e826efd4992e1bb0d5b0a3acbb2ff1d6bf2def56853a722e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]    Compiling visible v0.0.1
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling fancy-regex v0.3.5
[INFO] [stderr]    Compiling change-case v0.2.0
[INFO] [stderr]    Compiling ttgraph_macros v0.3.1
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking ttgraph v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `OpA` is never constructed
[INFO] [stdout]   --> tests/test_expand.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |   enum Node{
[INFO] [stdout]    |        ---- variant in this enum
[INFO] [stdout] 11 |     OpA(OpA)
[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 14.52s
[INFO] running `Command { std: "docker" "inspect" "29b37469e515c6b0e826efd4992e1bb0d5b0a3acbb2ff1d6bf2def56853a722e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b37469e515c6b0e826efd4992e1bb0d5b0a3acbb2ff1d6bf2def56853a722e", kill_on_drop: false }`
[INFO] [stdout] 29b37469e515c6b0e826efd4992e1bb0d5b0a3acbb2ff1d6bf2def56853a722e