[INFO] fetching crate just-mcp-lib 0.1.1...
[INFO] checking just-mcp-lib-0.1.1 against master#7ad4e69ad585d8ff214f7b42d01f1959eda08f40 for pr-152543
[INFO] extracting crate just-mcp-lib 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate just-mcp-lib 0.1.1
[INFO] finished tweaking crates.io crate just-mcp-lib 0.1.1
[INFO] tweaked toml for crates.io crate just-mcp-lib 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate just-mcp-lib 0.1.1 on toolchain 7ad4e69ad585d8ff214f7b42d01f1959eda08f40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate just-mcp-lib 0.1.1 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" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.21.0
[INFO] [stderr]   Downloaded darling_macro v0.21.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.15
[INFO] [stderr]   Downloaded rmcp-macros v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.141
[INFO] [stderr]   Downloaded darling_core v0.21.0
[INFO] [stderr]   Downloaded cc v1.2.30
[INFO] [stderr]   Downloaded rmcp v0.3.0
[INFO] [stderr]   Downloaded tokio v1.46.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e414f3f75b369ba9a9a6e02647dfc19ef90c18e30ec4790f450aa30fa73bfa51
[INFO] running `Command { std: "docker" "start" "-a" "e414f3f75b369ba9a9a6e02647dfc19ef90c18e30ec4790f450aa30fa73bfa51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e414f3f75b369ba9a9a6e02647dfc19ef90c18e30ec4790f450aa30fa73bfa51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e414f3f75b369ba9a9a6e02647dfc19ef90c18e30ec4790f450aa30fa73bfa51", kill_on_drop: false }`
[INFO] [stdout] e414f3f75b369ba9a9a6e02647dfc19ef90c18e30ec4790f450aa30fa73bfa51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7ad4e69ad585d8ff214f7b42d01f1959eda08f40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 365de7d24091cdc411061cf3b56810f213f49d9f01b33e443baa1c61b2957de7
[INFO] running `Command { std: "docker" "start" "-a" "365de7d24091cdc411061cf3b56810f213f49d9f01b33e443baa1c61b2957de7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]    Compiling darling_core v0.21.0
[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 tokio-macros v2.5.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.21.0
[INFO] [stderr]     Checking snafu v0.8.6
[INFO] [stderr]    Compiling darling v0.21.0
[INFO] [stderr]    Compiling rmcp-macros v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking schemars v1.0.4
[INFO] [stderr]     Checking rmcp v0.3.0
[INFO] [stderr]     Checking just-mcp-lib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.12s
[INFO] running `Command { std: "docker" "inspect" "365de7d24091cdc411061cf3b56810f213f49d9f01b33e443baa1c61b2957de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365de7d24091cdc411061cf3b56810f213f49d9f01b33e443baa1c61b2957de7", kill_on_drop: false }`
[INFO] [stdout] 365de7d24091cdc411061cf3b56810f213f49d9f01b33e443baa1c61b2957de7