[INFO] cloning repository https://github.com/rurigk/potv3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rurigk/potv3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frurigk%2Fpotv3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frurigk%2Fpotv3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1553a09f28145f24687838e7ad5fc53b8b5cf2f
[INFO] testing rurigk/potv3 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%2Frurigk%2Fpotv3" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rurigk/potv3
[INFO] finished tweaking git repo https://github.com/rurigk/potv3
[INFO] tweaked toml for git repo https://github.com/rurigk/potv3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rurigk/potv3 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/rurigk/potv3 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 git repository `https://github.com/serenity-rs/songbird.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/serenity-rs/serenity`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twilight-util v0.15.2
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded time-core v0.1.1
[INFO] [stderr]   Downloaded time-macros v0.2.9
[INFO] [stderr]   Downloaded twilight-standby v0.15.2
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[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.4
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[INFO] [stderr]   Downloaded twilight-validate v0.15.1
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[INFO] [stderr]   Downloaded serde-aux v4.2.0
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[INFO] [stderr]   Downloaded hyper-rustls v0.23.2
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[INFO] [stderr]   Downloaded pnet_macros v0.31.0
[INFO] [stderr]   Downloaded realfft v3.3.0
[INFO] [stderr]   Downloaded hyper-rustls v0.24.0
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[INFO] [stderr]   Downloaded tokio-tungstenite v0.19.0
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded uuid v1.3.3
[INFO] [stderr]   Downloaded tungstenite v0.19.0
[INFO] [stderr]   Downloaded rustls-webpki v0.100.1
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded symphonia-core v0.5.3
[INFO] [stderr]   Downloaded twilight-model v0.15.2
[INFO] [stderr]   Downloaded time v0.3.21
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.3
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[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.4
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[INFO] [stderr]   Downloaded webpki-roots v0.23.1
[INFO] [stderr]   Downloaded rustls v0.20.8
[INFO] [stderr]   Downloaded rustls v0.21.1
[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded openssl v0.10.53
[INFO] [stderr]   Downloaded rusty_pool v0.7.0
[INFO] [stderr]   Downloaded ringbuf v0.3.3
[INFO] [stderr]   Downloaded wasm-streams v0.2.3
[INFO] [stderr]   Downloaded generator v0.7.4
[INFO] [stderr]   Downloaded streamcatcher v1.0.1
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[INFO] [stderr]   Downloaded twilight-interactions v0.15.1
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[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.3
[INFO] [stderr]   Downloaded symphonia-codec-alac v0.5.3
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.3
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.3
[INFO] [stderr]   Downloaded symphonia v0.5.3
[INFO] [stderr]   Downloaded twilight-http-ratelimiting v0.15.1
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[INFO] [stderr]   Downloaded audiopus_sys v0.2.2
[INFO] [stderr]   Downloaded libz-sys v1.1.9
[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] 549c1cc6204583929f9bc448214eca919a301392b7a18d27ddf8a778d2a7d9ac
[INFO] running `Command { std: "docker" "start" "-a" "549c1cc6204583929f9bc448214eca919a301392b7a18d27ddf8a778d2a7d9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "549c1cc6204583929f9bc448214eca919a301392b7a18d27ddf8a778d2a7d9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549c1cc6204583929f9bc448214eca919a301392b7a18d27ddf8a778d2a7d9ac", kill_on_drop: false }`
[INFO] [stdout] 549c1cc6204583929f9bc448214eca919a301392b7a18d27ddf8a778d2a7d9ac
[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] c26dd6e2d70c7cd10d780926aae0adea596b6490e68b1f39594e6816fde80659
[INFO] running `Command { std: "docker" "start" "-a" "c26dd6e2d70c7cd10d780926aae0adea596b6490e68b1f39594e6816fde80659", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 typenum v1.16.0
[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" "c26dd6e2d70c7cd10d780926aae0adea596b6490e68b1f39594e6816fde80659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26dd6e2d70c7cd10d780926aae0adea596b6490e68b1f39594e6816fde80659", kill_on_drop: false }`
[INFO] [stdout] c26dd6e2d70c7cd10d780926aae0adea596b6490e68b1f39594e6816fde80659