[INFO] fetching crate gba-proc-macro 0.6.0...
[INFO] checking gba-proc-macro-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate gba-proc-macro 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate gba-proc-macro 0.6.0 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 gba-proc-macro 0.6.0
[INFO] finished tweaking crates.io crate gba-proc-macro 0.6.0
[INFO] tweaked toml for crates.io crate gba-proc-macro 0.6.0 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 7 packages to latest compatible versions
[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 rand v0.5.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.77)
[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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 42ea744671fd3b73a435490ffd27609696e4e720f0bfc22a9f7fee7b35d011da
[INFO] running `Command { std: "docker" "start" "-a" "42ea744671fd3b73a435490ffd27609696e4e720f0bfc22a9f7fee7b35d011da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ea744671fd3b73a435490ffd27609696e4e720f0bfc22a9f7fee7b35d011da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ea744671fd3b73a435490ffd27609696e4e720f0bfc22a9f7fee7b35d011da", kill_on_drop: false }`
[INFO] [stdout] 42ea744671fd3b73a435490ffd27609696e4e720f0bfc22a9f7fee7b35d011da
[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] 2d9f9c1a03271a3db6c0f06b3115223bb31cda9d1bbb9aae444af8e29c17d9ba
[INFO] running `Command { std: "docker" "start" "-a" "2d9f9c1a03271a3db6c0f06b3115223bb31cda9d1bbb9aae444af8e29c17d9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking gba-proc-macro v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_int_wrapping` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/the_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_int_wrapping)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 4.76s
[INFO] running `Command { std: "docker" "inspect" "2d9f9c1a03271a3db6c0f06b3115223bb31cda9d1bbb9aae444af8e29c17d9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9f9c1a03271a3db6c0f06b3115223bb31cda9d1bbb9aae444af8e29c17d9ba", kill_on_drop: false }`
[INFO] [stdout] 2d9f9c1a03271a3db6c0f06b3115223bb31cda9d1bbb9aae444af8e29c17d9ba