[INFO] fetching crate twitch-hls-client 1.6.1...
[INFO] checking twitch-hls-client-1.6.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate twitch-hls-client 1.6.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate twitch-hls-client 1.6.1
[INFO] finished tweaking crates.io crate twitch-hls-client 1.6.1
[INFO] tweaked toml for crates.io crate twitch-hls-client 1.6.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twitch-hls-client 1.6.1 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 twitch-hls-client 1.6.1 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] 5801a1ba5bd51d1796de32bc188d16c5fd570a82e74cb23a60a59981bce0a52f
[INFO] running `Command { std: "docker" "start" "-a" "5801a1ba5bd51d1796de32bc188d16c5fd570a82e74cb23a60a59981bce0a52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5801a1ba5bd51d1796de32bc188d16c5fd570a82e74cb23a60a59981bce0a52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5801a1ba5bd51d1796de32bc188d16c5fd570a82e74cb23a60a59981bce0a52f", kill_on_drop: false }`
[INFO] [stdout] 5801a1ba5bd51d1796de32bc188d16c5fd570a82e74cb23a60a59981bce0a52f
[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] 59629351d9680e0a8b2d83da471d46638f7145c4a0d688b88dffb34e84002ae4
[INFO] running `Command { std: "docker" "start" "-a" "59629351d9680e0a8b2d83da471d46638f7145c4a0d688b88dffb34e84002ae4", kill_on_drop: false }`
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.2
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking rustls-webpki v0.103.8
[INFO] [stderr]     Checking rustls v0.23.35
[INFO] [stderr]     Checking twitch-hls-client v1.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Url, Infallible>
[INFO] [stdout]   --> src/http/url.rs:37:57
[INFO] [stdout]    |
[INFO] [stdout] 37 |       fn from_str(inner: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _________________________________________________________^
[INFO] [stdout] 38 | |         Ok(Self {
[INFO] [stdout] 39 | |             scheme: Scheme::new(inner),
[INFO] [stdout] 40 | |             inner: inner.to_owned(),
[INFO] [stdout] 41 | |         })
[INFO] [stdout] 42 | |     }
[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<Url, Infallible>
[INFO] [stdout]   --> src/http/url.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         Ok(Self {
[INFO] [stdout] 39 | |             scheme: Scheme::new(inner),
[INFO] [stdout] 40 | |             inner: inner.to_owned(),
[INFO] [stdout] 41 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Url, Infallible>
[INFO] [stdout]   --> src/http/url.rs:37:57
[INFO] [stdout]    |
[INFO] [stdout] 37 |       fn from_str(inner: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _________________________________________________________^
[INFO] [stdout] 38 | |         Ok(Self {
[INFO] [stdout] 39 | |             scheme: Scheme::new(inner),
[INFO] [stdout] 40 | |             inner: inner.to_owned(),
[INFO] [stdout] 41 | |         })
[INFO] [stdout] 42 | |     }
[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<Url, Infallible>
[INFO] [stdout]   --> src/http/url.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         Ok(Self {
[INFO] [stdout] 39 | |             scheme: Scheme::new(inner),
[INFO] [stdout] 40 | |             inner: inner.to_owned(),
[INFO] [stdout] 41 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twitch-hls-client` (bin "twitch-hls-client") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `twitch-hls-client` (bin "twitch-hls-client" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "59629351d9680e0a8b2d83da471d46638f7145c4a0d688b88dffb34e84002ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59629351d9680e0a8b2d83da471d46638f7145c4a0d688b88dffb34e84002ae4", kill_on_drop: false }`
[INFO] [stdout] 59629351d9680e0a8b2d83da471d46638f7145c4a0d688b88dffb34e84002ae4