[INFO] cloning repository https://github.com/edbertkwesiek/Becoming-a-RUSTACEAN [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edbertkwesiek/Becoming-a-RUSTACEAN" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedbertkwesiek%2FBecoming-a-RUSTACEAN", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedbertkwesiek%2FBecoming-a-RUSTACEAN'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e01fadecb415abbf227e16d4c8871bc571733561 [INFO] testing edbertkwesiek/Becoming-a-RUSTACEAN 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%2Fedbertkwesiek%2FBecoming-a-RUSTACEAN" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/edbertkwesiek/Becoming-a-RUSTACEAN [INFO] finished tweaking git repo https://github.com/edbertkwesiek/Becoming-a-RUSTACEAN [INFO] tweaked toml for git repo https://github.com/edbertkwesiek/Becoming-a-RUSTACEAN written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/edbertkwesiek/Becoming-a-RUSTACEAN 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/edbertkwesiek/Becoming-a-RUSTACEAN 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] warning: unused manifest key: Workspace [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded byte-slice-cast v1.2.2 [INFO] [stderr] Downloaded impl-trait-for-tuples v0.2.2 [INFO] [stderr] Downloaded arkworks-setups v1.2.2 [INFO] [stderr] Downloaded parity-scale-codec v3.4.0 [INFO] [stderr] Downloaded ark-groth16 v0.3.0 [INFO] [stderr] Downloaded ark-nonnative-field v0.3.0 [INFO] [stderr] Downloaded ark-ec v0.3.0 [INFO] [stderr] Downloaded blake2 v0.9.2 [INFO] [stderr] Downloaded ark-poly v0.3.0 [INFO] [stderr] Downloaded ark-r1cs-std v0.3.1 [INFO] [stderr] Downloaded serde v1.0.160 [INFO] [stderr] Downloaded ark-crypto-primitives v0.3.0 [INFO] [stderr] Downloaded pest v2.5.7 [INFO] [stderr] Downloaded arkworks-utils v1.0.1 [INFO] [stderr] Downloaded ark-ff v0.3.0 [INFO] [stderr] Downloaded ark-relations v0.3.0 [INFO] [stderr] Downloaded arkworks-native-gadgets v1.2.0 [INFO] [stderr] Downloaded ark-ff-asm v0.3.0 [INFO] [stderr] Downloaded ark-serialize v0.3.0 [INFO] [stderr] Downloaded syn v2.0.15 [INFO] [stderr] Downloaded ark-std v0.3.0 [INFO] [stderr] Downloaded parity-scale-codec-derive v3.1.4 [INFO] [stderr] Downloaded arkworks-r1cs-circuits v1.2.0 [INFO] [stderr] Downloaded ark-snark v0.3.0 [INFO] [stderr] Downloaded arkworks-r1cs-gadgets v1.2.0 [INFO] [stderr] Downloaded ark-ff-macros v0.3.0 [INFO] [stderr] Downloaded ark-serialize-derive v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 691e92fc0688ba94c2bf6277acb2b22b11af8f22f20bf1badf8fe9e79a851624 [INFO] running `Command { std: "docker" "start" "-a" "691e92fc0688ba94c2bf6277acb2b22b11af8f22f20bf1badf8fe9e79a851624", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "691e92fc0688ba94c2bf6277acb2b22b11af8f22f20bf1badf8fe9e79a851624", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "691e92fc0688ba94c2bf6277acb2b22b11af8f22f20bf1badf8fe9e79a851624", kill_on_drop: false }` [INFO] [stdout] 691e92fc0688ba94c2bf6277acb2b22b11af8f22f20bf1badf8fe9e79a851624 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 85c921e3df5fee4820fec961713dc95632cfb4015a7a05770b7cf943a3e3f385 [INFO] running `Command { std: "docker" "start" "-a" "85c921e3df5fee4820fec961713dc95632cfb4015a7a05770b7cf943a3e3f385", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: Workspace [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling ucd-trie v0.1.5 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling rand_core v0.6.4 [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 num-bigint v0.4.3 [INFO] [stderr] Compiling paste v1.0.12 [INFO] [stderr] Compiling once_cell v1.17.1 [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" "85c921e3df5fee4820fec961713dc95632cfb4015a7a05770b7cf943a3e3f385", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85c921e3df5fee4820fec961713dc95632cfb4015a7a05770b7cf943a3e3f385", kill_on_drop: false }` [INFO] [stdout] 85c921e3df5fee4820fec961713dc95632cfb4015a7a05770b7cf943a3e3f385