[INFO] cloning repository https://github.com/lf-/synthtoy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lf-/synthtoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fsynthtoy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fsynthtoy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3702a90599dc3b6e65ce2c32d1155530b3172fd [INFO] checking lf-/synthtoy against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fsynthtoy" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lf-/synthtoy on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lf-/synthtoy [INFO] finished tweaking git repo https://github.com/lf-/synthtoy [INFO] tweaked toml for git repo https://github.com/lf-/synthtoy written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lf-/synthtoy 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded riff v1.0.1 [INFO] [stderr] Downloaded midir v0.8.0 [INFO] [stderr] Downloaded coremidi v0.6.0 [INFO] [stderr] Downloaded coremidi-sys v3.1.0 [INFO] [stderr] Downloaded wav v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd7c1d8734ad23fb169dbd43c7cbde8e85553dfc12a906ba23b90c2a3c05ecbe [INFO] running `Command { std: "docker" "start" "-a" "dd7c1d8734ad23fb169dbd43c7cbde8e85553dfc12a906ba23b90c2a3c05ecbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd7c1d8734ad23fb169dbd43c7cbde8e85553dfc12a906ba23b90c2a3c05ecbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd7c1d8734ad23fb169dbd43c7cbde8e85553dfc12a906ba23b90c2a3c05ecbe", kill_on_drop: false }` [INFO] [stdout] dd7c1d8734ad23fb169dbd43c7cbde8e85553dfc12a906ba23b90c2a3c05ecbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9d3b5e1128a933fa20a6fe651f477f9b87e0995d80328c2a0f8b0a7a0ba7774 [INFO] running `Command { std: "docker" "start" "-a" "e9d3b5e1128a933fa20a6fe651f477f9b87e0995d80328c2a0f8b0a7a0ba7774", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling ucd-trie v0.1.5 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling cc v1.0.77 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling version-compare v0.1.1 [INFO] [stderr] Compiling io-lifetimes v1.0.2 [INFO] [stderr] Checking libloading v0.7.4 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling rustix v0.36.3 [INFO] [stderr] Checking dlib v0.5.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 linux-raw-sys v0.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling sdl2-sys v0.35.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking const-cstr v0.3.0 [INFO] [stderr] Checking jpeg-decoder v0.3.0 [INFO] [stderr] Checking weezl v0.1.7 [INFO] [stderr] Checking bytemuck v1.12.3 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Compiling font-kit v0.11.0 [INFO] [stderr] Compiling yeslogic-fontconfig-sys v3.2.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling rustfft v6.1.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling cmake v0.1.49 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Checking flate2 v1.0.25 [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" "e9d3b5e1128a933fa20a6fe651f477f9b87e0995d80328c2a0f8b0a7a0ba7774", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9d3b5e1128a933fa20a6fe651f477f9b87e0995d80328c2a0f8b0a7a0ba7774", kill_on_drop: false }` [INFO] [stdout] e9d3b5e1128a933fa20a6fe651f477f9b87e0995d80328c2a0f8b0a7a0ba7774