[INFO] fetching crate msgpack-rpc 0.4.2...
[INFO] testing msgpack-rpc-0.4.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate msgpack-rpc 0.4.2 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msgpack-rpc 0.4.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10fef1f5a90127d0302a11bdb9cc7f252683c98d647d4460bba03c545e30e357
[INFO] running `Command { std: "docker" "start" "-a" "10fef1f5a90127d0302a11bdb9cc7f252683c98d647d4460bba03c545e30e357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10fef1f5a90127d0302a11bdb9cc7f252683c98d647d4460bba03c545e30e357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fef1f5a90127d0302a11bdb9cc7f252683c98d647d4460bba03c545e30e357", kill_on_drop: false }`
[INFO] [stdout] 10fef1f5a90127d0302a11bdb9cc7f252683c98d647d4460bba03c545e30e357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82383d245e1974174d767aaeb9589859ab66dcff9ef5fdadaf1ea0ed659a1218
[INFO] running `Command { std: "docker" "start" "-a" "82383d245e1974174d767aaeb9589859ab66dcff9ef5fdadaf1ea0ed659a1218", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.37
[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 11.76s
[INFO] running `Command { std: "docker" "inspect" "82383d245e1974174d767aaeb9589859ab66dcff9ef5fdadaf1ea0ed659a1218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82383d245e1974174d767aaeb9589859ab66dcff9ef5fdadaf1ea0ed659a1218", kill_on_drop: false }`
[INFO] [stdout] 82383d245e1974174d767aaeb9589859ab66dcff9ef5fdadaf1ea0ed659a1218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a834e6343b79280964ad5d145bb93d9654ade750b5de93c7eb7e04a77133e13f
[INFO] running `Command { std: "docker" "start" "-a" "a834e6343b79280964ad5d145bb93d9654ade750b5de93c7eb7e04a77133e13f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling mio v0.8.5
[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 10.23s
[INFO] running `Command { std: "docker" "inspect" "a834e6343b79280964ad5d145bb93d9654ade750b5de93c7eb7e04a77133e13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a834e6343b79280964ad5d145bb93d9654ade750b5de93c7eb7e04a77133e13f", kill_on_drop: false }`
[INFO] [stdout] a834e6343b79280964ad5d145bb93d9654ade750b5de93c7eb7e04a77133e13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27b14b974612e960101236ee6826755bd93804f283df396579a31994254cf447
[INFO] running `Command { std: "docker" "start" "-a" "27b14b974612e960101236ee6826755bd93804f283df396579a31994254cf447", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[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 message::test_decode_request ... ok
[INFO] [stdout] test codec::decode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests msgpack_rpc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/endpoint.rs - endpoint::Client::new (line 747) ... FAILED
[INFO] [stdout] test src/endpoint.rs - endpoint::Endpoint (line 616) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] ---- 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] 
[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 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "27b14b974612e960101236ee6826755bd93804f283df396579a31994254cf447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b14b974612e960101236ee6826755bd93804f283df396579a31994254cf447", kill_on_drop: false }`
[INFO] [stdout] 27b14b974612e960101236ee6826755bd93804f283df396579a31994254cf447