[INFO] fetching crate cyfs-debug 0.6.6...
[INFO] testing cyfs-debug-0.6.6 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cyfs-debug 0.6.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cyfs-debug 0.6.6
[INFO] finished tweaking crates.io crate cyfs-debug 0.6.6
[INFO] tweaked toml for crates.io crate cyfs-debug 0.6.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cyfs-debug 0.6.6 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 cyfs-debug 0.6.6 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded serde_fmt v1.0.2
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded polling v2.7.0
[INFO] [stderr]   Downloaded cyfs-ecies v0.1.4
[INFO] [stderr]   Downloaded hkdf v0.8.0
[INFO] [stderr]   Downloaded async-recursion v1.0.4
[INFO] [stderr]   Downloaded cyfs-async-h1 v2.3.3
[INFO] [stderr]   Downloaded cyfs-util v0.6.8
[INFO] [stderr]   Downloaded rsa v0.3.0
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded cyfs-base-derive v0.5.0
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.1
[INFO] [stderr]   Downloaded rusqlite v0.27.0
[INFO] [stderr]   Downloaded cyfs-base v0.6.12
[INFO] [stderr]   Downloaded sysinfo v0.27.8
[INFO] [stderr]   Downloaded flexi_logger v0.19.5
[INFO] [stderr]   Downloaded hyper v0.10.16
[INFO] [stderr]   Downloaded femme v2.2.1
[INFO] [stderr]   Downloaded pem v0.8.3
[INFO] [stderr]   Downloaded rsa-export v0.1.2
[INFO] [stderr]   Downloaded buf-read-ext v0.4.0
[INFO] [stderr]   Downloaded mime_multipart v0.6.1
[INFO] [stderr]   Downloaded cyfs-sha2 v0.8.4
[INFO] [stderr]   Downloaded named-lock v0.3.0
[INFO] [stderr]   Downloaded simple_logger v2.3.0
[INFO] [stderr]   Downloaded textnonce v1.0.0
[INFO] [stderr]   Downloaded log-panics v2.1.0
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded protoc-bin-vendored v3.0.0
[INFO] [stderr]   Downloaded formdata v0.13.0
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded protoc-bin-vendored-win32 v3.0.0
[INFO] [stderr]   Downloaded protoc-bin-vendored-linux-x86_32 v3.0.0
[INFO] [stderr]   Downloaded protoc-bin-vendored-linux-x86_64 v3.0.0
[INFO] [stderr]   Downloaded protoc-bin-vendored-linux-aarch_64 v3.0.0
[INFO] [stderr]   Downloaded protoc-bin-vendored-linux-ppcle_64 v3.0.0
[INFO] [stderr]   Downloaded protoc-bin-vendored-macos-x86_64 v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4060efcb1b19a7c7dc705459902de670539a8de1ae78da4db198e2211e6629a4
[INFO] running `Command { std: "docker" "start" "-a" "4060efcb1b19a7c7dc705459902de670539a8de1ae78da4db198e2211e6629a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4060efcb1b19a7c7dc705459902de670539a8de1ae78da4db198e2211e6629a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4060efcb1b19a7c7dc705459902de670539a8de1ae78da4db198e2211e6629a4", kill_on_drop: false }`
[INFO] [stdout] 4060efcb1b19a7c7dc705459902de670539a8de1ae78da4db198e2211e6629a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 33cf76afa0082020934a3eeb6a9b8c699555b61c1f076673d739025d3313e763
[INFO] running `Command { std: "docker" "start" "-a" "33cf76afa0082020934a3eeb6a9b8c699555b61c1f076673d739025d3313e763", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling polling v2.7.0
[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 async-io v1.13.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[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" "33cf76afa0082020934a3eeb6a9b8c699555b61c1f076673d739025d3313e763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cf76afa0082020934a3eeb6a9b8c699555b61c1f076673d739025d3313e763", kill_on_drop: false }`
[INFO] [stdout] 33cf76afa0082020934a3eeb6a9b8c699555b61c1f076673d739025d3313e763