[INFO] fetching crate tgbr 0.4.0...
[INFO] checking tgbr-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate tgbr 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tgbr 0.4.0 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 tgbr 0.4.0
[INFO] finished tweaking crates.io crate tgbr 0.4.0
[INFO] tweaked toml for crates.io crate tgbr 0.4.0 written to /workspace/builds/worker-0-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 73 packages to latest compatible versions
[INFO] [stderr]       Adding ambassador v0.3.7 (available: v0.4.1)
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding base64-serde v0.6.1 (available: v0.7.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding radium v0.7.0 (available: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding wyz v0.5.1 (available: v0.6.1)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9b4c70a7c9f81bb63e5bc51b0bd868c59867f50329a73827df5d3a95bfacc903
[INFO] running `Command { std: "docker" "start" "-a" "9b4c70a7c9f81bb63e5bc51b0bd868c59867f50329a73827df5d3a95bfacc903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b4c70a7c9f81bb63e5bc51b0bd868c59867f50329a73827df5d3a95bfacc903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4c70a7c9f81bb63e5bc51b0bd868c59867f50329a73827df5d3a95bfacc903", kill_on_drop: false }`
[INFO] [stdout] 9b4c70a7c9f81bb63e5bc51b0bd868c59867f50329a73827df5d3a95bfacc903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 80768cd54121da1f4d9836e4820271eac174b80fbfd70dbc7f4fc67527392788
[INFO] running `Command { std: "docker" "start" "-a" "80768cd54121da1f4d9836e4820271eac174b80fbfd70dbc7f4fc67527392788", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking bytesize v1.3.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling schemars_derive v0.8.21
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]    Compiling ambassador v0.3.7
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking meru-interface v0.3.0
[INFO] [stderr]     Checking tgbr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gameboy.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let mut audio_buffer = self.ctx.apu_mut().audio_buffer_mut();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gameboy.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let mut audio_buffer = self.ctx.apu_mut().audio_buffer_mut();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 34.32s
[INFO] running `Command { std: "docker" "inspect" "80768cd54121da1f4d9836e4820271eac174b80fbfd70dbc7f4fc67527392788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80768cd54121da1f4d9836e4820271eac174b80fbfd70dbc7f4fc67527392788", kill_on_drop: false }`
[INFO] [stdout] 80768cd54121da1f4d9836e4820271eac174b80fbfd70dbc7f4fc67527392788