[INFO] fetching crate async-coap-uri 0.1.0... [INFO] testing async-coap-uri-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate async-coap-uri 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate async-coap-uri 0.1.0 [INFO] finished tweaking crates.io crate async-coap-uri 0.1.0 [INFO] tweaked toml for crates.io crate async-coap-uri 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate async-coap-uri 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-coap-uri-macros v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72d3a971d534062536a1cc29a800afcc12beea50afdb594daf41407b25458d08 [INFO] running `Command { std: "docker" "start" "-a" "72d3a971d534062536a1cc29a800afcc12beea50afdb594daf41407b25458d08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72d3a971d534062536a1cc29a800afcc12beea50afdb594daf41407b25458d08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72d3a971d534062536a1cc29a800afcc12beea50afdb594daf41407b25458d08", kill_on_drop: false }` [INFO] [stdout] 72d3a971d534062536a1cc29a800afcc12beea50afdb594daf41407b25458d08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 992b598ecebb59ed47e7cdc951c55566c6fcff0daad5f526475bf9bd65829622 [INFO] running `Command { std: "docker" "start" "-a" "992b598ecebb59ed47e7cdc951c55566c6fcff0daad5f526475bf9bd65829622", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling async-coap-uri-macros v0.1.0 [INFO] [stderr] Compiling async-coap-uri v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: unknown `doc` attribute `unstable` [INFO] [stdout] --> src/uri_unescape_buf.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | #[doc(unstable)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(invalid_doc_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-coap-uri` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stdout] warning: field `needs_escape` is never read [INFO] [stdout] --> src/escape/escape_uri.rs:154:16 [INFO] [stdout] | [INFO] [stdout] 151 | pub struct EscapeUri<'a, X: NeedsEscape = EscapeUriSegment> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 154 | pub(super) needs_escape: X, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EscapeUri` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: calling this function with a null pointer is undefined behavior, even if the result of the function is unused [INFO] [stdout] --> src/uri_ref.rs:108:31 [INFO] [stdout] | [INFO] [stdout] 108 | let empty_slice = from_raw_parts_mut(0usize as *mut u8, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^------^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | null pointer originates from here [INFO] [stdout] | [INFO] [stdout] = help: for more information, visit and [INFO] [stdout] = note: `#[deny(invalid_null_arguments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: calling this function with a null pointer is undefined behavior, even if the result of the function is unused [INFO] [stdout] --> src/rel_ref.rs:110:31 [INFO] [stdout] | [INFO] [stdout] 110 | let empty_slice = from_raw_parts_mut(0usize as *mut u8, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^------^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | null pointer originates from here [INFO] [stdout] | [INFO] [stdout] = help: for more information, visit and [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "992b598ecebb59ed47e7cdc951c55566c6fcff0daad5f526475bf9bd65829622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "992b598ecebb59ed47e7cdc951c55566c6fcff0daad5f526475bf9bd65829622", kill_on_drop: false }` [INFO] [stdout] 992b598ecebb59ed47e7cdc951c55566c6fcff0daad5f526475bf9bd65829622