[INFO] cloning repository https://github.com/Dophin2009/mpdnd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dophin2009/mpdnd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDophin2009%2Fmpdnd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDophin2009%2Fmpdnd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ed456f95f0a21366a3f7d95711113a4428a2be3
[INFO] checking Dophin2009/mpdnd against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDophin2009%2Fmpdnd" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dophin2009/mpdnd
[INFO] finished tweaking git repo https://github.com/Dophin2009/mpdnd
[INFO] tweaked toml for git repo https://github.com/Dophin2009/mpdnd written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dophin2009/mpdnd 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 git repo https://github.com/Dophin2009/mpdnd 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 162a21f40b946c54db307e2e503d6b0b15b7091c602cb3f16e000281ae987409
[INFO] running `Command { std: "docker" "start" "-a" "162a21f40b946c54db307e2e503d6b0b15b7091c602cb3f16e000281ae987409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162a21f40b946c54db307e2e503d6b0b15b7091c602cb3f16e000281ae987409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162a21f40b946c54db307e2e503d6b0b15b7091c602cb3f16e000281ae987409", kill_on_drop: false }`
[INFO] [stdout] 162a21f40b946c54db307e2e503d6b0b15b7091c602cb3f16e000281ae987409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c77bf724c10642bb0144659be5530c629e261e9751bb4a2cd53dd3b220c31678
[INFO] running `Command { std: "docker" "start" "-a" "c77bf724c10642bb0144659be5530c629e261e9751bb4a2cd53dd3b220c31678", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking easy-parallel v3.2.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-broadcast v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking ordered-stream v0.0.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking clap_lex v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling enumflags2_derive v0.7.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking clap v3.2.6
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking mpd_protocol v0.13.0
[INFO] [stderr]     Checking mpd_client v0.7.5
[INFO] [stderr]     Checking enumflags2 v0.7.5
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling zvariant_derive v3.4.1
[INFO] [stderr]    Compiling zbus_macros v2.3.2
[INFO] [stderr]     Checking zvariant v3.4.1
[INFO] [stderr]     Checking zbus_names v2.1.0
[INFO] [stderr]     Checking zbus v2.3.2
[INFO] [stderr]     Checking notify-rust v4.5.8
[INFO] [stderr]     Checking mpdnd v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub config: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpdnd` (bin "mpdnd") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub config: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpdnd` (bin "mpdnd" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c77bf724c10642bb0144659be5530c629e261e9751bb4a2cd53dd3b220c31678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77bf724c10642bb0144659be5530c629e261e9751bb4a2cd53dd3b220c31678", kill_on_drop: false }`
[INFO] [stdout] c77bf724c10642bb0144659be5530c629e261e9751bb4a2cd53dd3b220c31678