[INFO] fetching crate schema_registry_converter 4.6.1...
[INFO] checking schema_registry_converter-4.6.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate schema_registry_converter 4.6.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate schema_registry_converter 4.6.1
[INFO] finished tweaking crates.io crate schema_registry_converter 4.6.1
[INFO] tweaked toml for crates.io crate schema_registry_converter 4.6.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate schema_registry_converter 4.6.1 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 schema_registry_converter 4.6.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7dd76525f001354f76c28c7f177424aa0a2801b29c2c716a82a24dd1ba07da38
[INFO] running `Command { std: "docker" "start" "-a" "7dd76525f001354f76c28c7f177424aa0a2801b29c2c716a82a24dd1ba07da38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd76525f001354f76c28c7f177424aa0a2801b29c2c716a82a24dd1ba07da38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd76525f001354f76c28c7f177424aa0a2801b29c2c716a82a24dd1ba07da38", kill_on_drop: false }`
[INFO] [stdout] 7dd76525f001354f76c28c7f177424aa0a2801b29c2c716a82a24dd1ba07da38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e6af2e91c896af7930a71149d18f34f59bb7f18e122d9c0d742e22a449771edd
[INFO] running `Command { std: "docker" "start" "-a" "e6af2e91c896af7930a71149d18f34f59bb7f18e122d9c0d742e22a449771edd", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_core v1.0.227
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[INFO] [stderr]     Checking parking_lot_core v0.9.10
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[INFO] [stderr]     Checking parking_lot v0.12.3
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[INFO] [stderr]    Compiling toml_datetime v0.6.8
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[INFO] [stderr]     Checking icu_properties v1.5.1
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]     Checking idna v1.0.3
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[INFO] [stderr]     Checking reqwest v0.12.15
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[INFO] [stderr]     Checking schema_registry_converter v4.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `url` is never used
[INFO] [stdout]   --> src/async_impl/schema_registry.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl SrSettings {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub(crate) fn url(&self) -> &str {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `url` is never used
[INFO] [stdout]   --> src/async_impl/schema_registry.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl SrSettings {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub(crate) fn url(&self) -> &str {
[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<std::string::String, Infallible>
[INFO] [stdout]    --> src/async_impl/schema_registry.rs:635:22
[INFO] [stdout]     |
[INFO] [stdout] 635 |             .add_url(server.url().parse().unwrap())
[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 `schema_registry_converter` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e6af2e91c896af7930a71149d18f34f59bb7f18e122d9c0d742e22a449771edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6af2e91c896af7930a71149d18f34f59bb7f18e122d9c0d742e22a449771edd", kill_on_drop: false }`
[INFO] [stdout] e6af2e91c896af7930a71149d18f34f59bb7f18e122d9c0d742e22a449771edd