[INFO] cloning repository https://github.com/z4nder/auto-git-flow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z4nder/auto-git-flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Fauto-git-flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Fauto-git-flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d0da555c7b6d23a530d62fc0f298f94fa66b556
[INFO] testing z4nder/auto-git-flow 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%2Fz4nder%2Fauto-git-flow" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/z4nder/auto-git-flow
[INFO] finished tweaking git repo https://github.com/z4nder/auto-git-flow
[INFO] tweaked toml for git repo https://github.com/z4nder/auto-git-flow written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/z4nder/auto-git-flow 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/z4nder/auto-git-flow 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 openssl-sys v0.9.76
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.78
[INFO] [stderr]   Downloaded iana-time-zone v0.1.51
[INFO] [stderr]   Downloaded pem v1.1.0
[INFO] [stderr]   Downloaded snafu-derive v0.7.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.78
[INFO] [stderr]   Downloaded arc-swap v1.5.1
[INFO] [stderr]   Downloaded octocrab v0.16.0
[INFO] [stderr]   Downloaded cxx-build v1.0.78
[INFO] [stderr]   Downloaded hyperx v1.4.0
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded url v2.3.0
[INFO] [stderr]   Downloaded cxx v1.0.78
[INFO] [stderr]   Downloaded openssl v0.10.42
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded jsonwebtoken v8.1.1
[INFO] [stderr]   Downloaded snafu v0.7.2
[INFO] [stderr]   Downloaded native-tls v0.2.10
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.8
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e409e7f469d9fd4567f0a99246ad4304952151dec9c1a3ad7115a8bed309d6d3
[INFO] running `Command { std: "docker" "start" "-a" "e409e7f469d9fd4567f0a99246ad4304952151dec9c1a3ad7115a8bed309d6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e409e7f469d9fd4567f0a99246ad4304952151dec9c1a3ad7115a8bed309d6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e409e7f469d9fd4567f0a99246ad4304952151dec9c1a3ad7115a8bed309d6d3", kill_on_drop: false }`
[INFO] [stdout] e409e7f469d9fd4567f0a99246ad4304952151dec9c1a3ad7115a8bed309d6d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d0e52bc3190b2cee4da9b8a510d01b85368baa6c51858ae4653e3796321dbba7
[INFO] running `Command { std: "docker" "start" "-a" "d0e52bc3190b2cee4da9b8a510d01b85368baa6c51858ae4653e3796321dbba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 unicode-bidi v0.3.8
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicase v2.6.0
[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" "d0e52bc3190b2cee4da9b8a510d01b85368baa6c51858ae4653e3796321dbba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e52bc3190b2cee4da9b8a510d01b85368baa6c51858ae4653e3796321dbba7", kill_on_drop: false }`
[INFO] [stdout] d0e52bc3190b2cee4da9b8a510d01b85368baa6c51858ae4653e3796321dbba7