[INFO] cloning repository https://github.com/drhurd/mcp_backgroundr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drhurd/mcp_backgroundr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrhurd%2Fmcp_backgroundr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrhurd%2Fmcp_backgroundr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b82996704a553a2f32d97f3cac0339ecdc550fc5
[INFO] checking drhurd/mcp_backgroundr against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrhurd%2Fmcp_backgroundr" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/drhurd/mcp_backgroundr
[INFO] finished tweaking git repo https://github.com/drhurd/mcp_backgroundr
[INFO] tweaked toml for git repo https://github.com/drhurd/mcp_backgroundr written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/drhurd/mcp_backgroundr on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/drhurd/mcp_backgroundr 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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmcp-macros v0.8.1
[INFO] [stderr]   Downloaded schemars_derive v1.0.4
[INFO] [stderr]   Downloaded rmcp v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b1ae44e3c45a1d0b0176b77916226a00f0fc9b90fb2cb6672f1ff40643a8b58
[INFO] running `Command { std: "docker" "start" "-a" "4b1ae44e3c45a1d0b0176b77916226a00f0fc9b90fb2cb6672f1ff40643a8b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b1ae44e3c45a1d0b0176b77916226a00f0fc9b90fb2cb6672f1ff40643a8b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1ae44e3c45a1d0b0176b77916226a00f0fc9b90fb2cb6672f1ff40643a8b58", kill_on_drop: false }`
[INFO] [stdout] 4b1ae44e3c45a1d0b0176b77916226a00f0fc9b90fb2cb6672f1ff40643a8b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7961b30b27723f6f362f8cbb17e75e25c64e7d8bb60f9459044767cc917cb9e8
[INFO] running `Command { std: "docker" "start" "-a" "7961b30b27723f6f362f8cbb17e75e25c64e7d8bb60f9459044767cc917cb9e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling rmcp-macros v0.8.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking schemars v1.0.4
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking rmcp v0.8.1
[INFO] [stderr]     Checking mcp_backgroundr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.68s
[INFO] running `Command { std: "docker" "inspect" "7961b30b27723f6f362f8cbb17e75e25c64e7d8bb60f9459044767cc917cb9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7961b30b27723f6f362f8cbb17e75e25c64e7d8bb60f9459044767cc917cb9e8", kill_on_drop: false }`
[INFO] [stdout] 7961b30b27723f6f362f8cbb17e75e25c64e7d8bb60f9459044767cc917cb9e8