[INFO] cloning repository https://github.com/LUKE1860/biology-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LUKE1860/biology-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLUKE1860%2Fbiology-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLUKE1860%2Fbiology-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f24bbd0e627dc4a1b866636dc1133253f3a6a27 [INFO] building LUKE1860/biology-rs against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLUKE1860%2Fbiology-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LUKE1860/biology-rs on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LUKE1860/biology-rs [INFO] finished tweaking git repo https://github.com/LUKE1860/biology-rs [INFO] tweaked toml for git repo https://github.com/LUKE1860/biology-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LUKE1860/biology-rs 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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 mimalloc v0.1.32 [INFO] [stderr] Downloaded newtype_derive v0.1.6 [INFO] [stderr] Downloaded itertools-num v0.1.3 [INFO] [stderr] Downloaded ordered-float v3.2.0 [INFO] [stderr] Downloaded triple_accel v0.4.0 [INFO] [stderr] Downloaded bio v1.0.0 [INFO] [stderr] Downloaded bio-types v0.13.0 [INFO] [stderr] Downloaded libmimalloc-sys v0.1.28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75f24b23e1794345997f700630f68144e0b333ff38bdb0b6ec67ea0d799306a0 [INFO] running `Command { std: "docker" "start" "-a" "75f24b23e1794345997f700630f68144e0b333ff38bdb0b6ec67ea0d799306a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75f24b23e1794345997f700630f68144e0b333ff38bdb0b6ec67ea0d799306a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75f24b23e1794345997f700630f68144e0b333ff38bdb0b6ec67ea0d799306a0", kill_on_drop: false }` [INFO] [stdout] 75f24b23e1794345997f700630f68144e0b333ff38bdb0b6ec67ea0d799306a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1355b013bcbd6ff9ae71ea2eddbde7a4f7ac9553bf29676c0b23fba6e1f2228b [INFO] running `Command { std: "docker" "start" "-a" "1355b013bcbd6ff9ae71ea2eddbde7a4f7ac9553bf29676c0b23fba6e1f2228b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.46 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling syn v1.0.102 [INFO] [stderr] Compiling libm v0.2.5 [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.145 [INFO] [stderr] Compiling serde v1.0.145 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling bytemuck v1.12.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling matrixmultiply v0.3.2 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling safe_arch v0.6.0 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling feature-probe v0.1.1 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling paste v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling indexmap v1.9.1 [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 bv v0.11.1 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Compiling aho-corasick v0.7.19 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling hashbrown v0.12.3 [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" "1355b013bcbd6ff9ae71ea2eddbde7a4f7ac9553bf29676c0b23fba6e1f2228b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1355b013bcbd6ff9ae71ea2eddbde7a4f7ac9553bf29676c0b23fba6e1f2228b", kill_on_drop: false }` [INFO] [stdout] 1355b013bcbd6ff9ae71ea2eddbde7a4f7ac9553bf29676c0b23fba6e1f2228b