[INFO] cloning repository https://github.com/garciawell/start-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garciawell/start-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciawell%2Fstart-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciawell%2Fstart-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05056ba954504148043f3df7d330fe2c2f92605f
[INFO] testing garciawell/start-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciawell%2Fstart-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/garciawell/start-rust
[INFO] finished tweaking git repo https://github.com/garciawell/start-rust
[INFO] tweaked toml for git repo https://github.com/garciawell/start-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/garciawell/start-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/garciawell/start-rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty_time v0.11.3
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded ndk-macro v0.3.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.12
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.4
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded clang-sys v1.6.1
[INFO] [stderr]   Downloaded alsa v0.6.0
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded combine v4.6.6
[INFO] [stderr]   Downloaded toml_edit v0.19.8
[INFO] [stderr]   Downloaded winnow v0.4.1
[INFO] [stderr]   Downloaded oboe-sys v0.4.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded nix v0.23.2
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded ndk-sys v0.3.0
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded cpal v0.13.5
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded jni v0.19.0
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded lewton v0.10.2
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded ndk v0.6.0
[INFO] [stderr]   Downloaded hound v3.5.0
[INFO] [stderr]   Downloaded ogg v0.8.0
[INFO] [stderr]   Downloaded libloading v0.7.4
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded oboe v0.4.6
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded toml_datetime v0.6.1
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded ndk-glue v0.6.2
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded rusty_audio v1.4.0
[INFO] [stderr]   Downloaded minimp3 v0.5.1
[INFO] [stderr]   Downloaded rodio v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb8952c71340add2411270a7d8ba9fd2e08504d43cad8160c143c7bac9688627
[INFO] running `Command { std: "docker" "start" "-a" "bb8952c71340add2411270a7d8ba9fd2e08504d43cad8160c143c7bac9688627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8952c71340add2411270a7d8ba9fd2e08504d43cad8160c143c7bac9688627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8952c71340add2411270a7d8ba9fd2e08504d43cad8160c143c7bac9688627", kill_on_drop: false }`
[INFO] [stdout] bb8952c71340add2411270a7d8ba9fd2e08504d43cad8160c143c7bac9688627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 23a2a230219ca3fe2847d97d6ba369568b3c56e1a1360afb39b73a2650fc82af
[INFO] running `Command { std: "docker" "start" "-a" "23a2a230219ca3fe2847d97d6ba369568b3c56e1a1360afb39b73a2650fc82af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling hound v3.5.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling rusty_time v0.11.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "23a2a230219ca3fe2847d97d6ba369568b3c56e1a1360afb39b73a2650fc82af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a2a230219ca3fe2847d97d6ba369568b3c56e1a1360afb39b73a2650fc82af", kill_on_drop: false }`
[INFO] [stdout] 23a2a230219ca3fe2847d97d6ba369568b3c56e1a1360afb39b73a2650fc82af