[INFO] fetching crate xkcd-1975 0.1.3...
[INFO] checking xkcd-1975-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate xkcd-1975 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate xkcd-1975 0.1.3
[INFO] finished tweaking crates.io crate xkcd-1975 0.1.3
[INFO] tweaked toml for crates.io crate xkcd-1975 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xkcd-1975 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xkcd-1975 0.1.3 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e8a8611f954c3740ceb39c015450a6c2f27122e0dfd4c355886c2a7a9a4571
[INFO] running `Command { std: "docker" "start" "-a" "26e8a8611f954c3740ceb39c015450a6c2f27122e0dfd4c355886c2a7a9a4571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e8a8611f954c3740ceb39c015450a6c2f27122e0dfd4c355886c2a7a9a4571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e8a8611f954c3740ceb39c015450a6c2f27122e0dfd4c355886c2a7a9a4571", kill_on_drop: false }`
[INFO] [stdout] 26e8a8611f954c3740ceb39c015450a6c2f27122e0dfd4c355886c2a7a9a4571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c46138a23a161896226289392d553deacd1c16f40765b02022a03a5db7f2b2
[INFO] running `Command { std: "docker" "start" "-a" "28c46138a23a161896226289392d553deacd1c16f40765b02022a03a5db7f2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc2 v0.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking objc2-encode v4.1.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stdout] error: A runtime must be selected
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/objc2-0.6.0/src/lib.rs:206:1
[INFO] [stdout]     |
[INFO] [stdout] 206 | compile_error!("A runtime must be selected");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr] error: could not compile `objc2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "28c46138a23a161896226289392d553deacd1c16f40765b02022a03a5db7f2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c46138a23a161896226289392d553deacd1c16f40765b02022a03a5db7f2b2", kill_on_drop: false }`
[INFO] [stdout] 28c46138a23a161896226289392d553deacd1c16f40765b02022a03a5db7f2b2