[INFO] fetching crate codec 0.0.7...
[INFO] testing codec-0.0.7 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate codec 0.0.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate codec 0.0.7
[INFO] finished tweaking crates.io crate codec 0.0.7
[INFO] tweaked toml for crates.io crate codec 0.0.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate codec 0.0.7 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate codec 0.0.7 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3cb4db9ed470a3a437c5850dc68175e9cba77020e13ad631584bdfc2d924053
[INFO] running `Command { std: "docker" "start" "-a" "e3cb4db9ed470a3a437c5850dc68175e9cba77020e13ad631584bdfc2d924053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3cb4db9ed470a3a437c5850dc68175e9cba77020e13ad631584bdfc2d924053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cb4db9ed470a3a437c5850dc68175e9cba77020e13ad631584bdfc2d924053", kill_on_drop: false }`
[INFO] [stdout] e3cb4db9ed470a3a437c5850dc68175e9cba77020e13ad631584bdfc2d924053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a20dc2dbab587b7616e78a30f12d8bec0428e01da52bf3f7c328bd62b9f5466
[INFO] running `Command { std: "docker" "start" "-a" "5a20dc2dbab587b7616e78a30f12d8bec0428e01da52bf3f7c328bd62b9f5466", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling codec v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "5a20dc2dbab587b7616e78a30f12d8bec0428e01da52bf3f7c328bd62b9f5466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a20dc2dbab587b7616e78a30f12d8bec0428e01da52bf3f7c328bd62b9f5466", kill_on_drop: false }`
[INFO] [stdout] 5a20dc2dbab587b7616e78a30f12d8bec0428e01da52bf3f7c328bd62b9f5466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2590e7dfa6eb8a97e449ce6eee0cc234f3b1b2e91cbe66e6e24e174b343d099
[INFO] running `Command { std: "docker" "start" "-a" "b2590e7dfa6eb8a97e449ce6eee0cc234f3b1b2e91cbe66e6e24e174b343d099", kill_on_drop: false }`
[INFO] [stderr]    Compiling codec v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b2590e7dfa6eb8a97e449ce6eee0cc234f3b1b2e91cbe66e6e24e174b343d099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2590e7dfa6eb8a97e449ce6eee0cc234f3b1b2e91cbe66e6e24e174b343d099", kill_on_drop: false }`
[INFO] [stdout] b2590e7dfa6eb8a97e449ce6eee0cc234f3b1b2e91cbe66e6e24e174b343d099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2b90c921beed62ae6f406d0a4040346b8d83d9c9cdc06bb7047e8bb5772ef00
[INFO] running `Command { std: "docker" "start" "-a" "f2b90c921beed62ae6f406d0a4040346b8d83d9c9cdc06bb7047e8bb5772ef00", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/codec-a3354d697c42ee3a)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test buffers::tests::rolling_buffer_original_buffer_restored_on_failed_read ... ok
[INFO] [stdout] test buffers::tests::rolling_buffer_read_singles ... ok
[INFO] [stdout] test buffers::tests::rolling_buffer_reset ... ok
[INFO] [stdout] test buffers::tests::rolling_buffer_read_larger_than_buffer ... ok
[INFO] [stdout] test buffers::tests::rolling_buffer_write_singles ... ok
[INFO] [stdout] test buffers::tests::static_buffer_read_batches ... ok
[INFO] [stdout] test buffers::tests::static_buffer_read_larger_than_buffer ... ok
[INFO] [stdout] test buffers::tests::static_buffer_reset ... ok
[INFO] [stdout] test buffers::tests::static_buffer_original_buffer_restored_on_failed_read ... ok
[INFO] [stdout] test buffers::tests::static_buffer_read_singles ... ok
[INFO] [stdout] test buffers::tests::static_buffer_write_singles ... ok
[INFO] [stdout] test buffers::tests::static_buffer_write_batches ... ok
[INFO] [stdout] test buffers::tests::rolling_buffer_read_batches ... ok
[INFO] [stderr]    Doc-tests codec
[INFO] [stdout] test buffers::tests::rolling_buffer_write_batches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `StringContext` in this scope
[INFO] [stdout]   --> src/lib.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 str.encode(buf, StringContext::U8Len)
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ use of undeclared type `StringContext`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 21 -                 str.encode(buf, StringContext::U8Len)
[INFO] [stdout] 21 +                 str.encode(buf, SizeContext::U8Len)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `StringContext` in this scope
[INFO] [stdout]   --> src/lib.rs:37:53
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let str = String::<30>::decode(buf, StringContext::U8Len)?;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^ use of undeclared type `StringContext`
[INFO] [stdout]    |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 37 -                 let str = String::<30>::decode(buf, StringContext::U8Len)?;
[INFO] [stdout] 37 +                 let str = String::<30>::decode(buf, SizeContext::U8Len)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.29s; merged doctests compilation took 0.19s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "f2b90c921beed62ae6f406d0a4040346b8d83d9c9cdc06bb7047e8bb5772ef00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b90c921beed62ae6f406d0a4040346b8d83d9c9cdc06bb7047e8bb5772ef00", kill_on_drop: false }`
[INFO] [stdout] f2b90c921beed62ae6f406d0a4040346b8d83d9c9cdc06bb7047e8bb5772ef00
