[INFO] fetching crate telexide_fork_proc_macros 0.1.1...
[INFO] checking telexide_fork_proc_macros-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate telexide_fork_proc_macros 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate telexide_fork_proc_macros 0.1.1 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 telexide_fork_proc_macros 0.1.1
[INFO] finished tweaking crates.io crate telexide_fork_proc_macros 0.1.1
[INFO] tweaked toml for crates.io crate telexide_fork_proc_macros 0.1.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 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] 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] cb2dc75990db84e2b9695e8431a3de5bb24c151652c9a54256afc18ea0cf430d
[INFO] running `Command { std: "docker" "start" "-a" "cb2dc75990db84e2b9695e8431a3de5bb24c151652c9a54256afc18ea0cf430d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2dc75990db84e2b9695e8431a3de5bb24c151652c9a54256afc18ea0cf430d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2dc75990db84e2b9695e8431a3de5bb24c151652c9a54256afc18ea0cf430d", kill_on_drop: false }`
[INFO] [stdout] cb2dc75990db84e2b9695e8431a3de5bb24c151652c9a54256afc18ea0cf430d
[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] 45a081fd292707f5740ebf87c12d2e7056d7a91ffbd849265c5b8da1bbaa7571
[INFO] running `Command { std: "docker" "start" "-a" "45a081fd292707f5740ebf87c12d2e7056d7a91ffbd849265c5b8da1bbaa7571", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking telexide_fork_proc_macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `attributes` is never read
[INFO] [stdout]   --> src/structs.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ListenerFunc {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 9  |     /// `#[...]`-style attributes.
[INFO] [stdout] 10 |     pub attributes: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ListenerFunc` 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 `attributes` is never read
[INFO] [stdout]   --> src/structs.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct CommandFunc {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 80 |     /// `#[...]`-style attributes.
[INFO] [stdout] 81 |     pub attributes: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandFunc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `attributes` is never read
[INFO] [stdout]   --> src/structs.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ListenerFunc {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 9  |     /// `#[...]`-style attributes.
[INFO] [stdout] 10 |     pub attributes: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ListenerFunc` 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 `attributes` is never read
[INFO] [stdout]   --> src/structs.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct CommandFunc {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 80 |     /// `#[...]`-style attributes.
[INFO] [stdout] 81 |     pub attributes: Vec<Attribute>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandFunc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "45a081fd292707f5740ebf87c12d2e7056d7a91ffbd849265c5b8da1bbaa7571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a081fd292707f5740ebf87c12d2e7056d7a91ffbd849265c5b8da1bbaa7571", kill_on_drop: false }`
[INFO] [stdout] 45a081fd292707f5740ebf87c12d2e7056d7a91ffbd849265c5b8da1bbaa7571