[INFO] fetching crate mpd_client 0.6.1...
[INFO] checking mpd_client-0.6.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mpd_client 0.6.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mpd_client 0.6.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpd_client 0.6.1
[INFO] finished tweaking crates.io crate mpd_client 0.6.1
[INFO] tweaked toml for crates.io crate mpd_client 0.6.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mpd_client 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32fe5ee635f028fac13984e278591884c3fbadf63f6f980a2ee09912609c79f4
[INFO] running `Command { std: "docker" "start" "-a" "32fe5ee635f028fac13984e278591884c3fbadf63f6f980a2ee09912609c79f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32fe5ee635f028fac13984e278591884c3fbadf63f6f980a2ee09912609c79f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fe5ee635f028fac13984e278591884c3fbadf63f6f980a2ee09912609c79f4", kill_on_drop: false }`
[INFO] [stdout] 32fe5ee635f028fac13984e278591884c3fbadf63f6f980a2ee09912609c79f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f614903ac10e338e2adf6461c97d79f4aaaa8b6339af9d5e36d31edf597982
[INFO] running `Command { std: "docker" "start" "-a" "c6f614903ac10e338e2adf6461c97d79f4aaaa8b6339af9d5e36d31edf597982", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking mpd_protocol v0.12.1
[INFO] [stderr]     Checking mpd_client v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/client/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     span: Span,
[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] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/client/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     span: Span,
[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 [unoptimized + debuginfo] target(s) in 22.91s
[INFO] running `Command { std: "docker" "inspect" "c6f614903ac10e338e2adf6461c97d79f4aaaa8b6339af9d5e36d31edf597982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f614903ac10e338e2adf6461c97d79f4aaaa8b6339af9d5e36d31edf597982", kill_on_drop: false }`
[INFO] [stdout] c6f614903ac10e338e2adf6461c97d79f4aaaa8b6339af9d5e36d31edf597982