[INFO] fetching crate handbar 0.0.5...
[INFO] testing handbar-0.0.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate handbar 0.0.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate handbar 0.0.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate handbar 0.0.5
[INFO] tweaked toml for crates.io crate handbar 0.0.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate handbar 0.0.5 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 handbar 0.0.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.12.0
[INFO] [stderr]   Downloaded chunked_transfer v1.4.1
[INFO] [stderr]   Downloaded rust-embed-impl v6.5.0
[INFO] [stderr]   Downloaded rust-embed-utils v7.5.0
[INFO] [stderr]   Downloaded is-terminal v0.4.6
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded pest_meta v2.5.7
[INFO] [stderr]   Downloaded uuid v1.3.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded inferno v0.11.15
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded cpp_demangle v0.4.0
[INFO] [stderr]   Downloaded pprof v0.11.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.22
[INFO] [stderr]   Downloaded symbolic-demangle v10.2.1
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded pest_generator v2.5.7
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded bstr v1.4.0
[INFO] [stderr]   Downloaded rhai v1.13.0
[INFO] [stderr]   Downloaded pest_derive v2.5.7
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded prost-build v0.11.8
[INFO] [stderr]   Downloaded ahash v0.8.3
[INFO] [stderr]   Downloaded rhai_codegen v1.5.0
[INFO] [stderr]   Downloaded prost-types v0.11.8
[INFO] [stderr]   Downloaded symbolic-common v10.2.1
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded rust-embed v6.6.1
[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] 3e47650bb503f45e7ce677c1d07ef312d911ea92711ca8dc76669db5687f0de4
[INFO] running `Command { std: "docker" "start" "-a" "3e47650bb503f45e7ce677c1d07ef312d911ea92711ca8dc76669db5687f0de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e47650bb503f45e7ce677c1d07ef312d911ea92711ca8dc76669db5687f0de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e47650bb503f45e7ce677c1d07ef312d911ea92711ca8dc76669db5687f0de4", kill_on_drop: false }`
[INFO] [stdout] 3e47650bb503f45e7ce677c1d07ef312d911ea92711ca8dc76669db5687f0de4
[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] ea9722a51533c373add91c0572feebbaac86275288b8a953d9308dc3bcebbf4c
[INFO] running `Command { std: "docker" "start" "-a" "ea9722a51533c373add91c0572feebbaac86275288b8a953d9308dc3bcebbf4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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] [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" "ea9722a51533c373add91c0572feebbaac86275288b8a953d9308dc3bcebbf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9722a51533c373add91c0572feebbaac86275288b8a953d9308dc3bcebbf4c", kill_on_drop: false }`
[INFO] [stdout] ea9722a51533c373add91c0572feebbaac86275288b8a953d9308dc3bcebbf4c