[INFO] fetching crate mixinx 0.1.0...
[INFO] checking mixinx-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate mixinx 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mixinx 0.1.0 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 mixinx 0.1.0
[INFO] finished tweaking crates.io crate mixinx 0.1.0
[INFO] tweaked toml for crates.io crate mixinx 0.1.0 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 17 packages to latest compatible versions
[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-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] 0331592abd4a0ca9c474c975f9197a99fae74c09817d04a0175a70eed8c48327
[INFO] running `Command { std: "docker" "start" "-a" "0331592abd4a0ca9c474c975f9197a99fae74c09817d04a0175a70eed8c48327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0331592abd4a0ca9c474c975f9197a99fae74c09817d04a0175a70eed8c48327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0331592abd4a0ca9c474c975f9197a99fae74c09817d04a0175a70eed8c48327", kill_on_drop: false }`
[INFO] [stdout] 0331592abd4a0ca9c474c975f9197a99fae74c09817d04a0175a70eed8c48327
[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] bb5bd433543c0873a4d16c93d07e6f07a69d8c581be968f9249ca1db9f977ceb
[INFO] running `Command { std: "docker" "start" "-a" "bb5bd433543c0873a4d16c93d07e6f07a69d8c581be968f9249ca1db9f977ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking mixinx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Handler` is never used
[INFO] [stdout]  --> tests/09_impl_get_set_for_mixin.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     trait Handler<T> {
[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] [stdout] warning: trait `Handler` is never used
[INFO] [stdout]  --> tests/08_repeat_field_in_mixin.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     trait Handler<T> {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DevicePersist` is never constructed
[INFO] [stdout]   --> tests/08_repeat_field_in_mixin.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub struct DevicePersist {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DevicePersist` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `APPersist` is never constructed
[INFO] [stdout]   --> tests/08_repeat_field_in_mixin.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |         pub struct APPersist {
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `APPersist` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Handler` is never used
[INFO] [stdout]  --> tests/10_with_serde_attribute_macro.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     trait Handler<T> {
[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] [stdout] warning: methods `get_age` and `set_age` are never used
[INFO] [stdout]  --> tests/05_impl_trait_test.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait Human {
[INFO] [stdout]   |               ----- methods in this trait
[INFO] [stdout] 7 |         fn get_age(&self) -> i32;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 8 |         fn set_age(&mut self, age: i32);
[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 16.41s
[INFO] running `Command { std: "docker" "inspect" "bb5bd433543c0873a4d16c93d07e6f07a69d8c581be968f9249ca1db9f977ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5bd433543c0873a4d16c93d07e6f07a69d8c581be968f9249ca1db9f977ceb", kill_on_drop: false }`
[INFO] [stdout] bb5bd433543c0873a4d16c93d07e6f07a69d8c581be968f9249ca1db9f977ceb