[INFO] cloning repository https://github.com/w4567892015/rust_vmstat_usage_api [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w4567892015/rust_vmstat_usage_api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw4567892015%2Frust_vmstat_usage_api", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw4567892015%2Frust_vmstat_usage_api'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7c4004869b3d67c5869b9c47c9373013fac34c9 [INFO] building w4567892015/rust_vmstat_usage_api against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw4567892015%2Frust_vmstat_usage_api" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/w4567892015/rust_vmstat_usage_api on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/w4567892015/rust_vmstat_usage_api [INFO] finished tweaking git repo https://github.com/w4567892015/rust_vmstat_usage_api [INFO] tweaked toml for git repo https://github.com/w4567892015/rust_vmstat_usage_api written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/w4567892015/rust_vmstat_usage_api 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.author [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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] acd2b5947b17f15df911cd83a62cd6e81a0907ff3240444242f2478181d555d0 [INFO] running `Command { std: "docker" "start" "-a" "acd2b5947b17f15df911cd83a62cd6e81a0907ff3240444242f2478181d555d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "acd2b5947b17f15df911cd83a62cd6e81a0907ff3240444242f2478181d555d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acd2b5947b17f15df911cd83a62cd6e81a0907ff3240444242f2478181d555d0", kill_on_drop: false }` [INFO] [stdout] acd2b5947b17f15df911cd83a62cd6e81a0907ff3240444242f2478181d555d0 [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=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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4690f8514060d5254848124f04f492a822062ffa8ed496c45068ce2bc02ccbc0 [INFO] running `Command { std: "docker" "start" "-a" "4690f8514060d5254848124f04f492a822062ffa8ed496c45068ce2bc02ccbc0", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.author [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling tracing-core v0.1.30 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling paste v1.0.12 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling tokio v1.27.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling percent-encoding v2.2.0 [INFO] [stderr] Compiling futures-sink v0.3.28 [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 http v0.2.9 [INFO] [stderr] Compiling bytestring v1.3.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling local-waker v0.1.3 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Compiling zstd-safe v6.0.5+zstd.1.5.4 [INFO] [stderr] Compiling alloc-no-stdlib v2.0.4 [INFO] [stderr] Compiling aho-corasick v1.0.1 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling tinyvec v1.6.0 [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" "4690f8514060d5254848124f04f492a822062ffa8ed496c45068ce2bc02ccbc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4690f8514060d5254848124f04f492a822062ffa8ed496c45068ce2bc02ccbc0", kill_on_drop: false }` [INFO] [stdout] 4690f8514060d5254848124f04f492a822062ffa8ed496c45068ce2bc02ccbc0