[INFO] fetching crate async-coap-uri 0.1.0...
[INFO] testing async-coap-uri-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate async-coap-uri 0.1.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-coap-uri 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24fe36461fc9c84a95cea5d4bcea8bc35b9fde7c45cd921c4e01fa966681f37a
[INFO] running `Command { std: "docker" "start" "-a" "24fe36461fc9c84a95cea5d4bcea8bc35b9fde7c45cd921c4e01fa966681f37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24fe36461fc9c84a95cea5d4bcea8bc35b9fde7c45cd921c4e01fa966681f37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fe36461fc9c84a95cea5d4bcea8bc35b9fde7c45cd921c4e01fa966681f37a", kill_on_drop: false }`
[INFO] [stdout] 24fe36461fc9c84a95cea5d4bcea8bc35b9fde7c45cd921c4e01fa966681f37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef302c2e6909cee02e7850f95dcc6ec7d33ba6dd85ebe5aeac7f7173c5d96f69
[INFO] running `Command { std: "docker" "start" "-a" "ef302c2e6909cee02e7850f95dcc6ec7d33ba6dd85ebe5aeac7f7173c5d96f69", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling quote v0.6.13
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.95s
[INFO] [stdout] warning: 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: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] warning: 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 <https://doc.rust-lang.org/std/ptr/index.html> and <https://doc.rust-lang.org/reference/behavior-considered-undefined.html>
[INFO] [stdout]     = note: `#[warn(invalid_null_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 <https://doc.rust-lang.org/std/ptr/index.html> and <https://doc.rust-lang.org/reference/behavior-considered-undefined.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef302c2e6909cee02e7850f95dcc6ec7d33ba6dd85ebe5aeac7f7173c5d96f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef302c2e6909cee02e7850f95dcc6ec7d33ba6dd85ebe5aeac7f7173c5d96f69", kill_on_drop: false }`
[INFO] [stdout] ef302c2e6909cee02e7850f95dcc6ec7d33ba6dd85ebe5aeac7f7173c5d96f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6050bc5f68dfbbce5f67f0058da3f6f7c0426e3da7f002056935e2791ed8a21
[INFO] running `Command { std: "docker" "start" "-a" "b6050bc5f68dfbbce5f67f0058da3f6f7c0426e3da7f002056935e2791ed8a21", kill_on_drop: false }`
[INFO] [stdout] warning: 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: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr]    Compiling async-coap-uri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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 <https://doc.rust-lang.org/std/ptr/index.html> and <https://doc.rust-lang.org/reference/behavior-considered-undefined.html>
[INFO] [stdout]     = note: `#[warn(invalid_null_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 <https://doc.rust-lang.org/std/ptr/index.html> and <https://doc.rust-lang.org/reference/behavior-considered-undefined.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] warning: 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 <https://doc.rust-lang.org/std/ptr/index.html> and <https://doc.rust-lang.org/reference/behavior-considered-undefined.html>
[INFO] [stdout]     = note: `#[warn(invalid_null_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 <https://doc.rust-lang.org/std/ptr/index.html> and <https://doc.rust-lang.org/reference/behavior-considered-undefined.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: signal: 6 (SIGABRT) (core dumped)
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcmXjFLt/symbols.o" "<9 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libregex-26851d4684cd4572,libregex_automata-42ee9f8dc92552a1,libaho_corasick-208f58474d132b0d,libmemchr-60b408e76a46f254,libregex_syntax-21c69862a9074e56,liblazy_static-3674be3f4245d19b}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcmXjFLt/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/async_coap_uri-5d3f27683dc3f9ee" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: Cannot create temporary file in /tmp/: No space left on device
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-coap-uri` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b6050bc5f68dfbbce5f67f0058da3f6f7c0426e3da7f002056935e2791ed8a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6050bc5f68dfbbce5f67f0058da3f6f7c0426e3da7f002056935e2791ed8a21", kill_on_drop: false }`
[INFO] [stdout] b6050bc5f68dfbbce5f67f0058da3f6f7c0426e3da7f002056935e2791ed8a21
