[INFO] cloning repository https://github.com/chuksy92/RangeProof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chuksy92/RangeProof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchuksy92%2FRangeProof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchuksy92%2FRangeProof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2446a5abc2283d6a377bd5919856124c0adb119a
[INFO] testing chuksy92/RangeProof 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%2Fchuksy92%2FRangeProof" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chuksy92/RangeProof
[INFO] finished tweaking git repo https://github.com/chuksy92/RangeProof
[INFO] tweaked toml for git repo https://github.com/chuksy92/RangeProof written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chuksy92/RangeProof 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/chuksy92/RangeProof 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 cpufeatures v0.2.6
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded keccak v0.1.3
[INFO] [stderr]   Downloaded subtle v2.5.0
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded syn v2.0.14
[INFO] [stderr]   Downloaded rayon v1.7.0
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded rayon-core v1.11.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded curve25519-dalek-ng v3.0.3
[INFO] [stderr]   Downloaded sha3 v0.9.1
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded subtle-ng v2.5.0
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded clear_on_drop v0.2.5
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.3
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded merlin v2.0.1
[INFO] [stderr]   Downloaded bulletproofs v3.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 50d4ad91aa685936949023d08e6e99d0889e0844d0861ef917e64e6284dcee17
[INFO] running `Command { std: "docker" "start" "-a" "50d4ad91aa685936949023d08e6e99d0889e0844d0861ef917e64e6284dcee17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50d4ad91aa685936949023d08e6e99d0889e0844d0861ef917e64e6284dcee17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d4ad91aa685936949023d08e6e99d0889e0844d0861ef917e64e6284dcee17", kill_on_drop: false }`
[INFO] [stdout] 50d4ad91aa685936949023d08e6e99d0889e0844d0861ef917e64e6284dcee17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9f62514e44981c48d0fd92cc2ee486b903552183653ef4706d097e3a7f784ef0
[INFO] running `Command { std: "docker" "start" "-a" "9f62514e44981c48d0fd92cc2ee486b903552183653ef4706d097e3a7f784ef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling keccak v0.1.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling subtle-ng v2.5.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[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] [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" "9f62514e44981c48d0fd92cc2ee486b903552183653ef4706d097e3a7f784ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f62514e44981c48d0fd92cc2ee486b903552183653ef4706d097e3a7f784ef0", kill_on_drop: false }`
[INFO] [stdout] 9f62514e44981c48d0fd92cc2ee486b903552183653ef4706d097e3a7f784ef0