[INFO] fetching crate pink-trombone 0.2.1...
[INFO] checking pink-trombone-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate pink-trombone 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate pink-trombone 0.2.1 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 pink-trombone 0.2.1
[INFO] finished tweaking crates.io crate pink-trombone 0.2.1
[INFO] tweaked toml for crates.io crate pink-trombone 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate pink-trombone 0.2.1 already has a lockfile, it will not be regenerated
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9ae57081e5ba53fe688a4855e6bb830c7dafad34681964c9bf96fe3d353e7c86
[INFO] running `Command { std: "docker" "start" "-a" "9ae57081e5ba53fe688a4855e6bb830c7dafad34681964c9bf96fe3d353e7c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae57081e5ba53fe688a4855e6bb830c7dafad34681964c9bf96fe3d353e7c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae57081e5ba53fe688a4855e6bb830c7dafad34681964c9bf96fe3d353e7c86", kill_on_drop: false }`
[INFO] [stdout] 9ae57081e5ba53fe688a4855e6bb830c7dafad34681964c9bf96fe3d353e7c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e0c579d9a59fcbef2a94b35e584b14370bc5d98cbfd7aa97bf531112816fe0c2
[INFO] running `Command { std: "docker" "start" "-a" "e0c579d9a59fcbef2a94b35e584b14370bc5d98cbfd7aa97bf531112816fe0c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking pink-trombone v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `z` is never read
[INFO] [stdout]  --> src/noise_gen.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Grad {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 3 |     pub x: f32, pub y: f32, pub z: f32
[INFO] [stdout]   |                                 ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Grad` has a derived impl for the trait `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking rodio v0.14.0
[INFO] [stdout] warning: field `z` is never read
[INFO] [stdout]  --> src/noise_gen.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Grad {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 3 |     pub x: f32, pub y: f32, pub z: f32
[INFO] [stdout]   |                                 ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Grad` has a derived impl for the trait `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `Command { std: "docker" "inspect" "e0c579d9a59fcbef2a94b35e584b14370bc5d98cbfd7aa97bf531112816fe0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c579d9a59fcbef2a94b35e584b14370bc5d98cbfd7aa97bf531112816fe0c2", kill_on_drop: false }`
[INFO] [stdout] e0c579d9a59fcbef2a94b35e584b14370bc5d98cbfd7aa97bf531112816fe0c2