[INFO] fetching crate may_rpc_derive 0.1.4...
[INFO] testing may_rpc_derive-0.1.4 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate may_rpc_derive 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate may_rpc_derive 0.1.4
[INFO] finished tweaking crates.io crate may_rpc_derive 0.1.4
[INFO] tweaked toml for crates.io crate may_rpc_derive 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate may_rpc_derive 0.1.4 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 5 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 97ec6071d9c547d2124f1eaac203f7a12e7dc09606d77735ea9c095f0f229e61
[INFO] running `Command { std: "docker" "start" "-a" "97ec6071d9c547d2124f1eaac203f7a12e7dc09606d77735ea9c095f0f229e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ec6071d9c547d2124f1eaac203f7a12e7dc09606d77735ea9c095f0f229e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ec6071d9c547d2124f1eaac203f7a12e7dc09606d77735ea9c095f0f229e61", kill_on_drop: false }`
[INFO] [stdout] 97ec6071d9c547d2124f1eaac203f7a12e7dc09606d77735ea9c095f0f229e61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b0acd85d19c3bb91ad843fffe5a5c7795bbcc754e4e9dd4cd715a55f94586154
[INFO] running `Command { std: "docker" "start" "-a" "b0acd85d19c3bb91ad843fffe5a5c7795bbcc754e4e9dd4cd715a55f94586154", kill_on_drop: false }`
[INFO] [stderr]    Compiling may_rpc_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b0acd85d19c3bb91ad843fffe5a5c7795bbcc754e4e9dd4cd715a55f94586154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0acd85d19c3bb91ad843fffe5a5c7795bbcc754e4e9dd4cd715a55f94586154", kill_on_drop: false }`
[INFO] [stdout] b0acd85d19c3bb91ad843fffe5a5c7795bbcc754e4e9dd4cd715a55f94586154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 64070845e6dda30122b58f7d3ad21b6e54ef81e974a6d5b55b674a8fd678e73f
[INFO] running `Command { std: "docker" "start" "-a" "64070845e6dda30122b58f7d3ad21b6e54ef81e974a6d5b55b674a8fd678e73f", kill_on_drop: false }`
[INFO] [stderr]    Compiling may_rpc_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "64070845e6dda30122b58f7d3ad21b6e54ef81e974a6d5b55b674a8fd678e73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64070845e6dda30122b58f7d3ad21b6e54ef81e974a6d5b55b674a8fd678e73f", kill_on_drop: false }`
[INFO] [stdout] 64070845e6dda30122b58f7d3ad21b6e54ef81e974a6d5b55b674a8fd678e73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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", kill_on_drop: false }`
[INFO] [stdout] 2e1681c9db172c0653ff26660b2687a79cb373f31014d32b405e665031baa98a
[INFO] running `Command { std: "docker" "start" "-a" "2e1681c9db172c0653ff26660b2687a79cb373f31014d32b405e665031baa98a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/may_rpc_derive-4257496224bf18ba)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests may_rpc_derive
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - derive_serde (line 147) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - derive_serde (line 147) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `may_rpc`
[INFO] [stdout]    --> src/lib.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[derive(may_rpc::serde::Serialize, may_rpc::serde::Deserialize)]
[INFO] [stdout]     |          ^^^^^^^ use of unresolved module or unlinked crate `may_rpc`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `may_rpc`
[INFO] [stdout]    --> src/lib.rs:148:37
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[derive(may_rpc::serde::Serialize, may_rpc::serde::Deserialize)]
[INFO] [stdout]     |                                     ^^^^^^^ use of unresolved module or unlinked crate `may_rpc`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `serde` in this scope
[INFO] [stdout]    --> src/lib.rs:149:3
[INFO] [stdout]     |
[INFO] [stdout] 149 | #[serde(crate = "may_rpc::serde")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 - derive_serde (line 147)
[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] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2e1681c9db172c0653ff26660b2687a79cb373f31014d32b405e665031baa98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1681c9db172c0653ff26660b2687a79cb373f31014d32b405e665031baa98a", kill_on_drop: false }`
[INFO] [stdout] 2e1681c9db172c0653ff26660b2687a79cb373f31014d32b405e665031baa98a
