[INFO] fetching crate tokio-serial 5.4.4... [INFO] checking tokio-serial-5.4.4 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate tokio-serial 5.4.4 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate tokio-serial 5.4.4 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tokio-serial 5.4.4 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate tokio-serial 5.4.4 [INFO] tweaked toml for crates.io crate tokio-serial 5.4.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate tokio-serial 5.4.4 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "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 tokio-util v0.7.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.47 [INFO] [stderr] Downloaded unicode-ident v1.0.5 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded tokio-macros v1.8.0 [INFO] [stderr] Downloaded once_cell v1.16.0 [INFO] [stderr] Downloaded tracing-core v0.1.30 [INFO] [stderr] Downloaded syn v1.0.103 [INFO] [stderr] Downloaded env_logger v0.9.1 [INFO] [stderr] Downloaded nix v0.24.2 [INFO] [stderr] Downloaded futures-executor v0.3.25 [INFO] [stderr] Downloaded futures-channel v0.3.25 [INFO] [stderr] Downloaded nix v0.25.0 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.42.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.42.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.42.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.42.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.42.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.42.0 [INFO] [stderr] Downloaded futures-io v0.3.25 [INFO] [stderr] Downloaded futures-macro v0.3.25 [INFO] [stderr] Downloaded futures-task v0.3.25 [INFO] [stderr] Downloaded futures-util v0.3.25 [INFO] [stderr] Downloaded futures v0.3.25 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded libudev v0.3.0 [INFO] [stderr] Downloaded aho-corasick v0.7.19 [INFO] [stderr] Downloaded windows-sys v0.42.0 [INFO] [stderr] Downloaded futures-core v0.3.25 [INFO] [stderr] Downloaded mio v0.8.5 [INFO] [stderr] Downloaded socket2 v0.4.7 [INFO] [stderr] Downloaded tokio v1.21.2 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.42.0 [INFO] [stderr] Downloaded libc v0.2.137 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded pkg-config v0.3.26 [INFO] [stderr] Downloaded libudev-sys v0.1.4 [INFO] [stderr] Downloaded serialport v4.2.0 [INFO] [stderr] Downloaded mio-serial v5.0.3 [INFO] [stderr] Downloaded futures-sink v0.3.25 [INFO] [stderr] Downloaded bytes v1.2.1 [INFO] [stderr] Downloaded signal-hook-registry v1.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31d829259b3171339f34946f7cd9a13f637859c09118cbc87fe93edbbe395231 [INFO] running `Command { std: "docker" "start" "-a" "31d829259b3171339f34946f7cd9a13f637859c09118cbc87fe93edbbe395231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31d829259b3171339f34946f7cd9a13f637859c09118cbc87fe93edbbe395231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31d829259b3171339f34946f7cd9a13f637859c09118cbc87fe93edbbe395231", kill_on_drop: false }` [INFO] [stdout] 31d829259b3171339f34946f7cd9a13f637859c09118cbc87fe93edbbe395231 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9bf198e59110e7e09ea9a55240a2eb54c3208029339c2049bd8fb21df4fe492 [INFO] running `Command { std: "docker" "start" "-a" "c9bf198e59110e7e09ea9a55240a2eb54c3208029339c2049bd8fb21df4fe492", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stderr] Checking futures-io v0.3.25 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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] Checking aho-corasick v0.7.19 [INFO] [stdout] error: aborting due to 1 previous error [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 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c9bf198e59110e7e09ea9a55240a2eb54c3208029339c2049bd8fb21df4fe492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9bf198e59110e7e09ea9a55240a2eb54c3208029339c2049bd8fb21df4fe492", kill_on_drop: false }` [INFO] [stdout] c9bf198e59110e7e09ea9a55240a2eb54c3208029339c2049bd8fb21df4fe492