[INFO] fetching crate rmcp 0.1.5...
[INFO] checking rmcp-0.1.5 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate rmcp 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rmcp 0.1.5 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmcp 0.1.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rmcp 0.1.5
[INFO] tweaked toml for crates.io crate rmcp 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate rmcp 0.1.5 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" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15bf60dad6428f2b1de19ce95fa07a7c6077f084d500f7a68243c9869baffe61
[INFO] running `Command { std: "docker" "start" "-a" "15bf60dad6428f2b1de19ce95fa07a7c6077f084d500f7a68243c9869baffe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15bf60dad6428f2b1de19ce95fa07a7c6077f084d500f7a68243c9869baffe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bf60dad6428f2b1de19ce95fa07a7c6077f084d500f7a68243c9869baffe61", kill_on_drop: false }`
[INFO] [stdout] 15bf60dad6428f2b1de19ce95fa07a7c6077f084d500f7a68243c9869baffe61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d34a05379544a98bc5295d1ac1624c16d4fbf87afaed50d09729dced44b37e06
[INFO] running `Command { std: "docker" "start" "-a" "d34a05379544a98bc5295d1ac1624c16d4fbf87afaed50d09729dced44b37e06", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking iana-time-zone v0.1.62
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling rmcp-macros v0.1.5
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.14
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking rmcp v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/service.rs:496:14
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let (mut sink, mut stream) = transport.into_transport();
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/service.rs:496:24
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let (mut sink, mut stream) = transport.into_transport();
[INFO] [stdout]     |                        ----^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/service.rs:496:14
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let (mut sink, mut stream) = transport.into_transport();
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/service.rs:496:24
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let (mut sink, mut stream) = transport.into_transport();
[INFO] [stdout]     |                        ----^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.11s
[INFO] running `Command { std: "docker" "inspect" "d34a05379544a98bc5295d1ac1624c16d4fbf87afaed50d09729dced44b37e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34a05379544a98bc5295d1ac1624c16d4fbf87afaed50d09729dced44b37e06", kill_on_drop: false }`
[INFO] [stdout] d34a05379544a98bc5295d1ac1624c16d4fbf87afaed50d09729dced44b37e06