[INFO] fetching crate puff-rs 0.1.8...
[INFO] testing puff-rs-0.1.8 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate puff-rs 0.1.8 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate puff-rs 0.1.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate puff-rs 0.1.8
[INFO] tweaked toml for crates.io crate puff-rs 0.1.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate puff-rs 0.1.8 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 crates.io crate puff-rs 0.1.8 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 cxxbridge-flags v1.0.80
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded uuid v1.2.1
[INFO] [stderr]   Downloaded bb8-redis v0.11.0
[INFO] [stderr]   Downloaded digest v0.10.5
[INFO] [stderr]   Downloaded futures-enum v0.1.17
[INFO] [stderr]   Downloaded bb8-postgres v0.8.1
[INFO] [stderr]   Downloaded axum-core v0.3.0-rc.2
[INFO] [stderr]   Downloaded cookie_store v0.16.1
[INFO] [stderr]   Downloaded bb8 v0.8.0
[INFO] [stderr]   Downloaded derive_utils v0.11.2
[INFO] [stderr]   Downloaded target-lexicon v0.12.4
[INFO] [stderr]   Downloaded notify v5.0.0
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded compact_str v0.6.1
[INFO] [stderr]   Downloaded pythonize v0.17.0
[INFO] [stderr]   Downloaded juniper_codegen_puff v0.16.0-dev
[INFO] [stderr]   Downloaded cxx-build v1.0.80
[INFO] [stderr]   Downloaded time v0.3.16
[INFO] [stderr]   Downloaded axum v0.6.0-rc.2
[INFO] [stderr]   Downloaded bson v2.4.0
[INFO] [stderr]   Downloaded juniper_puff v0.16.0-dev
[INFO] [stderr]   Downloaded clap v4.0.18
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded cxx v1.0.80
[INFO] [stderr]   Downloaded hyper v0.14.22
[INFO] [stderr]   Downloaded serde_json v1.0.87
[INFO] [stderr]   Downloaded redis v0.21.6
[INFO] [stderr]   Downloaded time-macros v0.2.5
[INFO] [stderr]   Downloaded async-trait v0.1.58
[INFO] [stderr]   Downloaded cookie v0.16.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.80
[INFO] [stderr]   Downloaded array-init v2.0.1
[INFO] [stderr]   Downloaded filetime v0.2.18
[INFO] [stderr]   Downloaded os_str_bytes v6.3.1
[INFO] [stderr]   Downloaded juniper_graphql_ws_puff v0.4.0-dev
[INFO] [stderr]   Downloaded juniper_subscriptions_puff v0.17.0-dev
[INFO] [stderr]   Downloaded pyo3-chrono v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aacac30faa8b4c8b6896251edf26fe1e94ed2ba259a4e8efb311c9eecaec1ab5
[INFO] running `Command { std: "docker" "start" "-a" "aacac30faa8b4c8b6896251edf26fe1e94ed2ba259a4e8efb311c9eecaec1ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aacac30faa8b4c8b6896251edf26fe1e94ed2ba259a4e8efb311c9eecaec1ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aacac30faa8b4c8b6896251edf26fe1e94ed2ba259a4e8efb311c9eecaec1ab5", kill_on_drop: false }`
[INFO] [stdout] aacac30faa8b4c8b6896251edf26fe1e94ed2ba259a4e8efb311c9eecaec1ab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ca04b403b680c6857f5c662584265978713358e45f6eb613bcb1a692f3699491
[INFO] running `Command { std: "docker" "start" "-a" "ca04b403b680c6857f5c662584265978713358e45f6eb613bcb1a692f3699491", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 smallvec v1.10.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[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" "ca04b403b680c6857f5c662584265978713358e45f6eb613bcb1a692f3699491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca04b403b680c6857f5c662584265978713358e45f6eb613bcb1a692f3699491", kill_on_drop: false }`
[INFO] [stdout] ca04b403b680c6857f5c662584265978713358e45f6eb613bcb1a692f3699491