[INFO] fetching crate rmcp-printers 0.1.0...
[INFO] testing rmcp-printers-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rmcp-printers 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rmcp-printers 0.1.0
[INFO] finished tweaking crates.io crate rmcp-printers 0.1.0
[INFO] tweaked toml for crates.io crate rmcp-printers 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmcp-printers 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmcp-printers 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af40a7d844e12ccb5866f0071e1bd8ca303682af7d1292d5292ad9588a9a0307
[INFO] running `Command { std: "docker" "start" "-a" "af40a7d844e12ccb5866f0071e1bd8ca303682af7d1292d5292ad9588a9a0307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af40a7d844e12ccb5866f0071e1bd8ca303682af7d1292d5292ad9588a9a0307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af40a7d844e12ccb5866f0071e1bd8ca303682af7d1292d5292ad9588a9a0307", kill_on_drop: false }`
[INFO] [stdout] af40a7d844e12ccb5866f0071e1bd8ca303682af7d1292d5292ad9588a9a0307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29a50c7c04c7a91fa2f3f28aca4e2ce8100f2b42504015501b840c793b43320
[INFO] running `Command { std: "docker" "start" "-a" "c29a50c7c04c7a91fa2f3f28aca4e2ce8100f2b42504015501b840c793b43320", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling printers v2.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling schemars_derive v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling rmcp-macros v0.12.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling schemars v1.2.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling rmcp v0.12.0
[INFO] [stderr]    Compiling rmcp-printers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.20s
[INFO] running `Command { std: "docker" "inspect" "c29a50c7c04c7a91fa2f3f28aca4e2ce8100f2b42504015501b840c793b43320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29a50c7c04c7a91fa2f3f28aca4e2ce8100f2b42504015501b840c793b43320", kill_on_drop: false }`
[INFO] [stdout] c29a50c7c04c7a91fa2f3f28aca4e2ce8100f2b42504015501b840c793b43320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56301151325abf22d1594d0da924299d9c006051fb297b67ef348530d36ad69
[INFO] running `Command { std: "docker" "start" "-a" "b56301151325abf22d1594d0da924299d9c006051fb297b67ef348530d36ad69", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmcp-printers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "b56301151325abf22d1594d0da924299d9c006051fb297b67ef348530d36ad69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56301151325abf22d1594d0da924299d9c006051fb297b67ef348530d36ad69", kill_on_drop: false }`
[INFO] [stdout] b56301151325abf22d1594d0da924299d9c006051fb297b67ef348530d36ad69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00e565e306b652a9f21d910a217a39dae913efd19d5679ac34dfd85d9c082185
[INFO] running `Command { std: "docker" "start" "-a" "00e565e306b652a9f21d910a217a39dae913efd19d5679ac34dfd85d9c082185", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rmcp_printers-ef57bbf9317e301f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "00e565e306b652a9f21d910a217a39dae913efd19d5679ac34dfd85d9c082185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e565e306b652a9f21d910a217a39dae913efd19d5679ac34dfd85d9c082185", kill_on_drop: false }`
[INFO] [stdout] 00e565e306b652a9f21d910a217a39dae913efd19d5679ac34dfd85d9c082185
