[INFO] fetching crate rust-cef-derive 0.2.6...
[INFO] checking rust-cef-derive-0.2.6 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate rust-cef-derive 0.2.6 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rust-cef-derive 0.2.6 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 rust-cef-derive 0.2.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rust-cef-derive 0.2.6
[INFO] tweaked toml for crates.io crate rust-cef-derive 0.2.6 written to /workspace/builds/worker-2-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 42 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 64808077a09b25fc540652f6c741cf63dd80ba9099704e6ea2dd52ed18f690ee
[INFO] running `Command { std: "docker" "start" "-a" "64808077a09b25fc540652f6c741cf63dd80ba9099704e6ea2dd52ed18f690ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64808077a09b25fc540652f6c741cf63dd80ba9099704e6ea2dd52ed18f690ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64808077a09b25fc540652f6c741cf63dd80ba9099704e6ea2dd52ed18f690ee", kill_on_drop: false }`
[INFO] [stdout] 64808077a09b25fc540652f6c741cf63dd80ba9099704e6ea2dd52ed18f690ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 61f8685e0af2ca103a41088727c21de470ff3e3f37c8c8d75176aa71f7040144
[INFO] running `Command { std: "docker" "start" "-a" "61f8685e0af2ca103a41088727c21de470ff3e3f37c8c8d75176aa71f7040144", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]     Checking rust-cef v0.2.6
[INFO] [stderr]     Checking rust-cef-derive v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stdout] warning: struct `TupleStule` is never constructed
[INFO] [stdout]    --> tests/test.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 289 | struct TupleStule(#[cef_inherit(CefHeaderName)] NameStruct);
[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 7.95s
[INFO] running `Command { std: "docker" "inspect" "61f8685e0af2ca103a41088727c21de470ff3e3f37c8c8d75176aa71f7040144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f8685e0af2ca103a41088727c21de470ff3e3f37c8c8d75176aa71f7040144", kill_on_drop: false }`
[INFO] [stdout] 61f8685e0af2ca103a41088727c21de470ff3e3f37c8c8d75176aa71f7040144