[INFO] fetching crate wavegen 0.4.1... [INFO] testing wavegen-0.4.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate wavegen 0.4.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate wavegen 0.4.1 [INFO] finished tweaking crates.io crate wavegen 0.4.1 [INFO] tweaked toml for crates.io crate wavegen 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wavegen 0.4.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate wavegen 0.4.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4de93923fbd62ff60628cfcdf4449fd1a75bcec4e8282962213b1a31d60de6c4 [INFO] running `Command { std: "docker" "start" "-a" "4de93923fbd62ff60628cfcdf4449fd1a75bcec4e8282962213b1a31d60de6c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4de93923fbd62ff60628cfcdf4449fd1a75bcec4e8282962213b1a31d60de6c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4de93923fbd62ff60628cfcdf4449fd1a75bcec4e8282962213b1a31d60de6c4", kill_on_drop: false }` [INFO] [stdout] 4de93923fbd62ff60628cfcdf4449fd1a75bcec4e8282962213b1a31d60de6c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad7a4508b2adea0543ae6bffd5156a9d621139d0150ecfc66a3840bd6c07cadc [INFO] running `Command { std: "docker" "start" "-a" "ad7a4508b2adea0543ae6bffd5156a9d621139d0150ecfc66a3840bd6c07cadc", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling wavegen v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:288:17 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn iter(&self) -> WaveformIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 288 | pub fn iter(&self) -> WaveformIterator<'_, T, P> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "ad7a4508b2adea0543ae6bffd5156a9d621139d0150ecfc66a3840bd6c07cadc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad7a4508b2adea0543ae6bffd5156a9d621139d0150ecfc66a3840bd6c07cadc", kill_on_drop: false }` [INFO] [stdout] ad7a4508b2adea0543ae6bffd5156a9d621139d0150ecfc66a3840bd6c07cadc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 678e1cf8a4b96035dc45cb2ad67b50ffdd97ac417cece159f0fc7e3ffc72b1a0 [INFO] running `Command { std: "docker" "start" "-a" "678e1cf8a4b96035dc45cb2ad67b50ffdd97ac417cece159f0fc7e3ffc72b1a0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.49 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling thiserror v1.0.38 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling ucd-trie v0.1.5 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling miniz_oxide v0.6.2 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling dlib v0.5.0 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling font-kit v0.11.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 either v1.8.0 [INFO] [stderr] Compiling const-cstr v0.3.0 [INFO] [stderr] Compiling bytemuck v1.12.3 [INFO] [stderr] Compiling weezl v0.1.7 [INFO] [stderr] Compiling serde_json v1.0.91 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling rayon-core v1.10.1 [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" "678e1cf8a4b96035dc45cb2ad67b50ffdd97ac417cece159f0fc7e3ffc72b1a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "678e1cf8a4b96035dc45cb2ad67b50ffdd97ac417cece159f0fc7e3ffc72b1a0", kill_on_drop: false }` [INFO] [stdout] 678e1cf8a4b96035dc45cb2ad67b50ffdd97ac417cece159f0fc7e3ffc72b1a0