[INFO] cloning repository https://github.com/Duckonaut/multiplayerctl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Duckonaut/multiplayerctl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuckonaut%2Fmultiplayerctl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuckonaut%2Fmultiplayerctl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d717ff9e279e5ae44b53b6fd9af00ca801577884
[INFO] checking Duckonaut/multiplayerctl 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%2FDuckonaut%2Fmultiplayerctl" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Duckonaut/multiplayerctl
[INFO] finished tweaking git repo https://github.com/Duckonaut/multiplayerctl
[INFO] tweaked toml for git repo https://github.com/Duckonaut/multiplayerctl written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Duckonaut/multiplayerctl 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/Duckonaut/multiplayerctl 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7cc5fe4674069c77c98a050e53d85e67e55851a1b305b4c7a7b2895ba3b8e2f
[INFO] running `Command { std: "docker" "start" "-a" "c7cc5fe4674069c77c98a050e53d85e67e55851a1b305b4c7a7b2895ba3b8e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7cc5fe4674069c77c98a050e53d85e67e55851a1b305b4c7a7b2895ba3b8e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cc5fe4674069c77c98a050e53d85e67e55851a1b305b4c7a7b2895ba3b8e2f", kill_on_drop: false }`
[INFO] [stdout] c7cc5fe4674069c77c98a050e53d85e67e55851a1b305b4c7a7b2895ba3b8e2f
[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 -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] 47102a0ff32221a53bc9cc876e749c54a970c4be1332e5899a27485855735e0b
[INFO] running `Command { std: "docker" "start" "-a" "47102a0ff32221a53bc9cc876e749c54a970c4be1332e5899a27485855735e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking clap v3.1.12
[INFO] [stderr]     Checking multiplayerctl v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         #[structopt(short = "p", long = "player", help = "The player to switch to.")]
[INFO] [stdout] 35 | |         player: 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] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         #[structopt(name = "VALUE", help = "The volume to set the current player to.")]
[INFO] [stdout] 56 | |         value: Option<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:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         #[structopt(
[INFO] [stdout] 58 | |             short = "f",
[INFO] [stdout] 59 | |             long = "format",
[INFO] [stdout] 60 | |             help = "The format to use when printing the volume."
[INFO] [stdout] 61 | |         )]
[INFO] [stdout] 62 | |         format: Option<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:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | /         #[structopt(name = "VALUE", help = "The position to set the current player to.")]
[INFO] [stdout] 67 | |         value: Option<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:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         #[structopt(
[INFO] [stdout] 69 | |             short = "f",
[INFO] [stdout] 70 | |             long = "format",
[INFO] [stdout] 71 | |             help = "The format to use when printing the position."
[INFO] [stdout] 72 | |         )]
[INFO] [stdout] 73 | |         format: Option<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:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         #[structopt(
[INFO] [stdout] 78 | |             short = "f",
[INFO] [stdout] 79 | |             long = "format",
[INFO] [stdout] 80 | |             help = "The format to use when printing the status."
[INFO] [stdout] 81 | |         )]
[INFO] [stdout] 82 | |         format: Option<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:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | /         #[structopt(
[INFO] [stdout] 93 | |             name = "KEY",
[INFO] [stdout] 94 | |             help = "If the key is set, only the value with the key is printed."
[INFO] [stdout] 95 | |         )]
[INFO] [stdout] 96 | |         key: Option<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:97:9
[INFO] [stdout]     |
[INFO] [stdout]  97 | /         #[structopt(
[INFO] [stdout]  98 | |             short = "f",
[INFO] [stdout]  99 | |             long = "format",
[INFO] [stdout] 100 | |             help = "The format to use when printing the metadata."
[INFO] [stdout] 101 | |         )]
[INFO] [stdout] 102 | |         format: Option<String>,
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiplayerctl` (bin "multiplayerctl" test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         #[structopt(short = "p", long = "player", help = "The player to switch to.")]
[INFO] [stdout] 35 | |         player: 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] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | /         #[structopt(name = "VALUE", help = "The volume to set the current player to.")]
[INFO] [stdout] 56 | |         value: Option<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:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         #[structopt(
[INFO] [stdout] 58 | |             short = "f",
[INFO] [stdout] 59 | |             long = "format",
[INFO] [stdout] 60 | |             help = "The format to use when printing the volume."
[INFO] [stdout] 61 | |         )]
[INFO] [stdout] 62 | |         format: Option<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:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | /         #[structopt(name = "VALUE", help = "The position to set the current player to.")]
[INFO] [stdout] 67 | |         value: Option<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:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         #[structopt(
[INFO] [stdout] 69 | |             short = "f",
[INFO] [stdout] 70 | |             long = "format",
[INFO] [stdout] 71 | |             help = "The format to use when printing the position."
[INFO] [stdout] 72 | |         )]
[INFO] [stdout] 73 | |         format: Option<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:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         #[structopt(
[INFO] [stdout] 78 | |             short = "f",
[INFO] [stdout] 79 | |             long = "format",
[INFO] [stdout] 80 | |             help = "The format to use when printing the status."
[INFO] [stdout] 81 | |         )]
[INFO] [stdout] 82 | |         format: Option<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:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | /         #[structopt(
[INFO] [stdout] 93 | |             name = "KEY",
[INFO] [stdout] 94 | |             help = "If the key is set, only the value with the key is printed."
[INFO] [stdout] 95 | |         )]
[INFO] [stdout] 96 | |         key: Option<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:97:9
[INFO] [stdout]     |
[INFO] [stdout]  97 | /         #[structopt(
[INFO] [stdout]  98 | |             short = "f",
[INFO] [stdout]  99 | |             long = "format",
[INFO] [stdout] 100 | |             help = "The format to use when printing the metadata."
[INFO] [stdout] 101 | |         )]
[INFO] [stdout] 102 | |         format: Option<String>,
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiplayerctl` (bin "multiplayerctl") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "47102a0ff32221a53bc9cc876e749c54a970c4be1332e5899a27485855735e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47102a0ff32221a53bc9cc876e749c54a970c4be1332e5899a27485855735e0b", kill_on_drop: false }`
[INFO] [stdout] 47102a0ff32221a53bc9cc876e749c54a970c4be1332e5899a27485855735e0b
