[INFO] cloning repository https://github.com/stefan-jieanu/ember
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefan-jieanu/ember" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-jieanu%2Fember", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefan-jieanu%2Fember'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40ad9bbad42efde22d46be6b2e45c2e80dcbd847
[INFO] testing stefan-jieanu/ember 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%2Fstefan-jieanu%2Fember" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stefan-jieanu/ember
[INFO] finished tweaking git repo https://github.com/stefan-jieanu/ember
[INFO] tweaked toml for git repo https://github.com/stefan-jieanu/ember written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stefan-jieanu/ember 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/stefan-jieanu/ember 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sctk-adwaita v0.4.3
[INFO] [stderr]   Downloaded xml-rs v0.8.11
[INFO] [stderr]   Downloaded ndk-glue v0.7.0
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.1
[INFO] [stderr]   Downloaded pollster v0.2.5
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded toml_edit v0.19.9
[INFO] [stderr]   Downloaded freetype-rs v0.26.0
[INFO] [stderr]   Downloaded tiny-skia v0.7.0
[INFO] [stderr]   Downloaded profiling v1.0.8
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded crossfont v0.5.1
[INFO] [stderr]   Downloaded tiny-skia-path v0.7.0
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded winit v0.27.5
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded ash v0.37.2+1.3.238
[INFO] [stderr]   Downloaded gimli v0.27.2
[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] f1358c666e9dc5c96f3bdae701ea0b72d14b8ef4e703056d7cd750b8a103c09e
[INFO] running `Command { std: "docker" "start" "-a" "f1358c666e9dc5c96f3bdae701ea0b72d14b8ef4e703056d7cd750b8a103c09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1358c666e9dc5c96f3bdae701ea0b72d14b8ef4e703056d7cd750b8a103c09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1358c666e9dc5c96f3bdae701ea0b72d14b8ef4e703056d7cd750b8a103c09e", kill_on_drop: false }`
[INFO] [stdout] f1358c666e9dc5c96f3bdae701ea0b72d14b8ef4e703056d7cd750b8a103c09e
[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] bc16a35228c3f24ac92525c5c61036a5eccf201927cc1ae33f4ca4264b12af71
[INFO] running `Command { std: "docker" "start" "-a" "bc16a35228c3f24ac92525c5c61036a5eccf201927cc1ae33f4ca4264b12af71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling xml-rs v0.8.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 cmake v0.1.50
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[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" "bc16a35228c3f24ac92525c5c61036a5eccf201927cc1ae33f4ca4264b12af71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc16a35228c3f24ac92525c5c61036a5eccf201927cc1ae33f4ca4264b12af71", kill_on_drop: false }`
[INFO] [stdout] bc16a35228c3f24ac92525c5c61036a5eccf201927cc1ae33f4ca4264b12af71