[INFO] fetching crate mpd-easy 0.2.1...
[INFO] checking mpd-easy-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate mpd-easy 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mpd-easy 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 mpd-easy 0.2.1
[INFO] finished tweaking crates.io crate mpd-easy 0.2.1
[INFO] tweaked toml for crates.io crate mpd-easy 0.2.1 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (available: v0.8.4)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0e170fffb4f247d04c3a9e8c8057fc5f62a34ba060cdebe674f37db607d9596b
[INFO] running `Command { std: "docker" "start" "-a" "0e170fffb4f247d04c3a9e8c8057fc5f62a34ba060cdebe674f37db607d9596b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e170fffb4f247d04c3a9e8c8057fc5f62a34ba060cdebe674f37db607d9596b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e170fffb4f247d04c3a9e8c8057fc5f62a34ba060cdebe674f37db607d9596b", kill_on_drop: false }`
[INFO] [stdout] 0e170fffb4f247d04c3a9e8c8057fc5f62a34ba060cdebe674f37db607d9596b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ac836a74796a1696500ca1d597c52d78dbf9fe0b39bc9566fe8b2d8385587405
[INFO] running `Command { std: "docker" "start" "-a" "ac836a74796a1696500ca1d597c52d78dbf9fe0b39bc9566fe8b2d8385587405", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]     Checking mpd v0.1.0
[INFO] [stderr]     Checking mpd-easy v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `full_path` is never read
[INFO] [stdout]    --> src/song.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct File {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 123 |     pub full_path: String,
[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 18.07s
[INFO] running `Command { std: "docker" "inspect" "ac836a74796a1696500ca1d597c52d78dbf9fe0b39bc9566fe8b2d8385587405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac836a74796a1696500ca1d597c52d78dbf9fe0b39bc9566fe8b2d8385587405", kill_on_drop: false }`
[INFO] [stdout] ac836a74796a1696500ca1d597c52d78dbf9fe0b39bc9566fe8b2d8385587405