[INFO] fetching crate dg 1.1.0...
[INFO] testing dg-1.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate dg 1.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate dg 1.1.0
[INFO] finished tweaking crates.io crate dg 1.1.0
[INFO] tweaked toml for crates.io crate dg 1.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dg 1.1.0 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 dg 1.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded snapbox-macros v0.3.1
[INFO] [stderr]   Downloaded concolor-query v0.1.0
[INFO] [stderr]   Downloaded tabled_derive v0.5.0
[INFO] [stderr]   Downloaded concolor v0.0.12
[INFO] [stderr]   Downloaded trycmd v0.14.13
[INFO] [stderr]   Downloaded papergrid v0.7.1
[INFO] [stderr]   Downloaded pest_derive v2.2.1
[INFO] [stderr]   Downloaded pest_generator v2.2.1
[INFO] [stderr]   Downloaded ansi-str v0.5.0
[INFO] [stderr]   Downloaded bytecount v0.6.3
[INFO] [stderr]   Downloaded snapbox v0.4.8
[INFO] [stderr]   Downloaded pest_meta v2.2.1
[INFO] [stderr]   Downloaded pest v2.2.1
[INFO] [stderr]   Downloaded pretty_assertions v1.2.1
[INFO] [stderr]   Downloaded winnow v0.3.5
[INFO] [stderr]   Downloaded tabled v0.10.0
[INFO] [stderr]   Downloaded git2 v0.16.1
[INFO] [stderr]   Downloaded insta v1.17.1
[INFO] [stderr]   Downloaded libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]   Downloaded openssl-src v111.25.0+1.1.1t
[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] 886f2f4a3fab9530ac13de61269980be0c4e9a5d9862f3e5fefc18bfa47300ab
[INFO] running `Command { std: "docker" "start" "-a" "886f2f4a3fab9530ac13de61269980be0c4e9a5d9862f3e5fefc18bfa47300ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "886f2f4a3fab9530ac13de61269980be0c4e9a5d9862f3e5fefc18bfa47300ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886f2f4a3fab9530ac13de61269980be0c4e9a5d9862f3e5fefc18bfa47300ab", kill_on_drop: false }`
[INFO] [stdout] 886f2f4a3fab9530ac13de61269980be0c4e9a5d9862f3e5fefc18bfa47300ab
[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] 58357db0d830d1ae2ff669b967b2c2ee6257c972840dc6ac62f8523b002e6f4d
[INFO] running `Command { std: "docker" "start" "-a" "58357db0d830d1ae2ff669b967b2c2ee6257c972840dc6ac62f8523b002e6f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.162
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling unicode-bidi v0.3.11
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling bstr v1.3.0
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling walkdir v2.3.2
[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 indenter v0.3.3
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[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" "58357db0d830d1ae2ff669b967b2c2ee6257c972840dc6ac62f8523b002e6f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58357db0d830d1ae2ff669b967b2c2ee6257c972840dc6ac62f8523b002e6f4d", kill_on_drop: false }`
[INFO] [stdout] 58357db0d830d1ae2ff669b967b2c2ee6257c972840dc6ac62f8523b002e6f4d