[INFO] fetching crate msgpack-rpc 0.4.2...
[INFO] testing msgpack-rpc-0.4.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate msgpack-rpc 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate msgpack-rpc 0.4.2
[INFO] finished tweaking crates.io crate msgpack-rpc 0.4.2
[INFO] tweaked toml for crates.io crate msgpack-rpc 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msgpack-rpc 0.4.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate msgpack-rpc 0.4.2 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e42abe34d250dadfcad469bb837bf9bc13e79615430a38a4eaccd90da8d49b9f
[INFO] running `Command { std: "docker" "start" "-a" "e42abe34d250dadfcad469bb837bf9bc13e79615430a38a4eaccd90da8d49b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e42abe34d250dadfcad469bb837bf9bc13e79615430a38a4eaccd90da8d49b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42abe34d250dadfcad469bb837bf9bc13e79615430a38a4eaccd90da8d49b9f", kill_on_drop: false }`
[INFO] [stdout] e42abe34d250dadfcad469bb837bf9bc13e79615430a38a4eaccd90da8d49b9f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6bfe8969a94fad49888f2bd7da13a68cb77e711405809dcb9852b34454e1c63
[INFO] running `Command { std: "docker" "start" "-a" "c6bfe8969a94fad49888f2bd7da13a68cb77e711405809dcb9852b34454e1c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rmp v0.8.11
[INFO] [stderr]    Compiling rmpv v1.0.0
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling msgpack-rpc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "c6bfe8969a94fad49888f2bd7da13a68cb77e711405809dcb9852b34454e1c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bfe8969a94fad49888f2bd7da13a68cb77e711405809dcb9852b34454e1c63", kill_on_drop: false }`
[INFO] [stdout] c6bfe8969a94fad49888f2bd7da13a68cb77e711405809dcb9852b34454e1c63
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26382a384675fd4d81bc24800290ac1ab1b7e1f22eaa8b5c038dcb1cf2259004
[INFO] running `Command { std: "docker" "start" "-a" "26382a384675fd4d81bc24800290ac1ab1b7e1f22eaa8b5c038dcb1cf2259004", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling env_logger v0.9.1
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling msgpack-rpc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "26382a384675fd4d81bc24800290ac1ab1b7e1f22eaa8b5c038dcb1cf2259004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26382a384675fd4d81bc24800290ac1ab1b7e1f22eaa8b5c038dcb1cf2259004", kill_on_drop: false }`
[INFO] [stdout] 26382a384675fd4d81bc24800290ac1ab1b7e1f22eaa8b5c038dcb1cf2259004
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8aa6a3eb2dfaa7df19534758319cb526f1e7c1f42777f4ba89b61d000692efc
[INFO] running `Command { std: "docker" "start" "-a" "b8aa6a3eb2dfaa7df19534758319cb526f1e7c1f42777f4ba89b61d000692efc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/msgpack_rpc-1806126561d476ec)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test codec::decode ... ok
[INFO] [stdout] test message::test_decode_request ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests msgpack_rpc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/endpoint.rs - endpoint::Endpoint (line 616) ... FAILED
[INFO] [stdout] test src/endpoint.rs - endpoint::Client::new (line 747) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/endpoint.rs - endpoint::Endpoint (line 616) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rmp_rpc`
[INFO] [stdout]  --> src/endpoint.rs:618:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rmp_rpc::ServiceWithClient;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `rmp_rpc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rmp_rpc`, use `cargo add rmp_rpc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rmp_rpc`
[INFO] [stdout]  --> src/endpoint.rs:619:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rmp_rpc::{Client, Endpoint, Value};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `rmp_rpc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rmp_rpc`, use `cargo add rmp_rpc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/endpoint.rs - endpoint::Client::new (line 747) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rmp_rpc`
[INFO] [stdout]  --> src/endpoint.rs:751:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rmp_rpc::Client;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `rmp_rpc`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rmp_rpc`, use `cargo add rmp_rpc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/endpoint.rs - endpoint::Client::new (line 747)
[INFO] [stdout]     src/endpoint.rs - endpoint::Endpoint (line 616)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b8aa6a3eb2dfaa7df19534758319cb526f1e7c1f42777f4ba89b61d000692efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8aa6a3eb2dfaa7df19534758319cb526f1e7c1f42777f4ba89b61d000692efc", kill_on_drop: false }`
[INFO] [stdout] b8aa6a3eb2dfaa7df19534758319cb526f1e7c1f42777f4ba89b61d000692efc