[INFO] fetching crate prometheus-mpd-exporter 0.1.0...
[INFO] checking prometheus-mpd-exporter-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate prometheus-mpd-exporter 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate prometheus-mpd-exporter 0.1.0
[INFO] finished tweaking crates.io crate prometheus-mpd-exporter 0.1.0
[INFO] tweaked toml for crates.io crate prometheus-mpd-exporter 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-mpd-exporter 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometheus-mpd-exporter 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff9761fd2feeaa92f5c7fdcad38405b27f18787f86a8671d45c0290d057ac00d
[INFO] running `Command { std: "docker" "start" "-a" "ff9761fd2feeaa92f5c7fdcad38405b27f18787f86a8671d45c0290d057ac00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9761fd2feeaa92f5c7fdcad38405b27f18787f86a8671d45c0290d057ac00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9761fd2feeaa92f5c7fdcad38405b27f18787f86a8671d45c0290d057ac00d", kill_on_drop: false }`
[INFO] [stdout] ff9761fd2feeaa92f5c7fdcad38405b27f18787f86a8671d45c0290d057ac00d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e231c488186051ada982c52b2b4363c80447c0575cc0f70e5efdce041b8ae6e2
[INFO] running `Command { std: "docker" "start" "-a" "e231c488186051ada982c52b2b4363c80447c0575cc0f70e5efdce041b8ae6e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling parse-display-derive v0.4.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking parse-display v0.4.0
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking trust-dns-proto v0.19.6
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]     Checking actix-router v0.2.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.6
[INFO] [stderr]     Checking async-mpd v0.4.0
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking actix-http v2.2.0
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.2
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking prometheus_exporter_base v1.1.0
[INFO] [stderr]     Checking prometheus-mpd-exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `prometheus_exporter_base::PrometheusMetric::<'a>::new`: Please use the build function instead
[INFO] [stdout]   --> src/metric.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut m = PrometheusMetric::new(self.name, MetricType::Counter, self.description);
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `prometheus_exporter_base::PrometheusMetric::<'a>::new`: Please use the build function instead
[INFO] [stdout]   --> src/metric.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut m = PrometheusMetric::new(self.name, MetricType::Counter, self.description);
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrometheusOptions` is never constructed
[INFO] [stdout]   --> src/main.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct PrometheusOptions {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrometheusOptions` is never constructed
[INFO] [stdout]   --> src/main.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct PrometheusOptions {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     #[structopt(long)]
[INFO] [stdout] 37 | |     #[getset(get = "pub")]
[INFO] [stdout] 38 | |     mpd_server_addr: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     #[structopt(long)]
[INFO] [stdout] 45 | |     #[getset(get = "pub")]
[INFO] [stdout] 46 | |     bind_addr: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     #[structopt(long)]
[INFO] [stdout] 37 | |     #[getset(get = "pub")]
[INFO] [stdout] 38 | |     mpd_server_addr: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     #[structopt(long)]
[INFO] [stdout] 45 | |     #[getset(get = "pub")]
[INFO] [stdout] 46 | |     bind_addr: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prometheus-mpd-exporter` (bin "prometheus-mpd-exporter") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `prometheus-mpd-exporter` (bin "prometheus-mpd-exporter" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e231c488186051ada982c52b2b4363c80447c0575cc0f70e5efdce041b8ae6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e231c488186051ada982c52b2b4363c80447c0575cc0f70e5efdce041b8ae6e2", kill_on_drop: false }`
[INFO] [stdout] e231c488186051ada982c52b2b4363c80447c0575cc0f70e5efdce041b8ae6e2
