[INFO] fetching crate clipmon 0.1.0...
[INFO] checking clipmon-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate clipmon 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate clipmon 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clipmon 0.1.0
[INFO] finished tweaking crates.io crate clipmon 0.1.0
[INFO] tweaked toml for crates.io crate clipmon 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate clipmon 0.1.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23c6c3de385129760c3cab6bf5ffd1e5f7de5f1a0743611a8434ae784707f167
[INFO] running `Command { std: "docker" "start" "-a" "23c6c3de385129760c3cab6bf5ffd1e5f7de5f1a0743611a8434ae784707f167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23c6c3de385129760c3cab6bf5ffd1e5f7de5f1a0743611a8434ae784707f167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c6c3de385129760c3cab6bf5ffd1e5f7de5f1a0743611a8434ae784707f167", kill_on_drop: false }`
[INFO] [stdout] 23c6c3de385129760c3cab6bf5ffd1e5f7de5f1a0743611a8434ae784707f167
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 958a95daf243f9e873967878a729117c46369c46cb6dfd08967231bcac9aeb4d
[INFO] running `Command { std: "docker" "start" "-a" "958a95daf243f9e873967878a729117c46369c46cb6dfd08967231bcac9aeb4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking wayland-commons v0.29.4
[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]     Checking clipmon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `signal` is never read
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct LoopData {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 56 |     signal: LoopSignal,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoopData` 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 `signal` is never read
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct LoopData {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 56 |     signal: LoopSignal,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoopData` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "958a95daf243f9e873967878a729117c46369c46cb6dfd08967231bcac9aeb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958a95daf243f9e873967878a729117c46369c46cb6dfd08967231bcac9aeb4d", kill_on_drop: false }`
[INFO] [stdout] 958a95daf243f9e873967878a729117c46369c46cb6dfd08967231bcac9aeb4d