[INFO] fetching crate wavegen 0.4.1... [INFO] testing wavegen-0.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate wavegen 0.4.1 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wavegen 0.4.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a55ad0a5f61e73e4fb6a757c11b529c9a00a0395d4e1a9cc320cf6940e1103ed [INFO] running `Command { std: "docker" "start" "-a" "a55ad0a5f61e73e4fb6a757c11b529c9a00a0395d4e1a9cc320cf6940e1103ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a55ad0a5f61e73e4fb6a757c11b529c9a00a0395d4e1a9cc320cf6940e1103ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a55ad0a5f61e73e4fb6a757c11b529c9a00a0395d4e1a9cc320cf6940e1103ed", kill_on_drop: false }` [INFO] [stdout] a55ad0a5f61e73e4fb6a757c11b529c9a00a0395d4e1a9cc320cf6940e1103ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35bcfb41f4ae1af4824d59438e69be6ba3bbea0e8b012fe57d8408289aa8ad5d [INFO] running `Command { std: "docker" "start" "-a" "35bcfb41f4ae1af4824d59438e69be6ba3bbea0e8b012fe57d8408289aa8ad5d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [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 1.99s [INFO] running `Command { std: "docker" "inspect" "35bcfb41f4ae1af4824d59438e69be6ba3bbea0e8b012fe57d8408289aa8ad5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35bcfb41f4ae1af4824d59438e69be6ba3bbea0e8b012fe57d8408289aa8ad5d", kill_on_drop: false }` [INFO] [stdout] 35bcfb41f4ae1af4824d59438e69be6ba3bbea0e8b012fe57d8408289aa8ad5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7bf56006a03681c90c8c8596553ef53be81547691fb0dc892e323f9917c938f [INFO] running `Command { std: "docker" "start" "-a" "a7bf56006a03681c90c8c8596553ef53be81547691fb0dc892e323f9917c938f", 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 cfg-if v1.0.0 [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 crossbeam-utils v0.8.14 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling miniz_oxide v0.6.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling dlib v0.5.0 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling once_cell v1.17.0 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file` [INFO] [stdout] | [INFO] [stdout] 92 - feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] 92 + feature(proc_macro_span, proc_macro_span_file) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling const-cstr v0.3.0 [INFO] [stderr] Compiling jpeg-decoder v0.3.0 [INFO] [stderr] Compiling flate2 v1.0.25 [INFO] [stderr] Compiling yeslogic-fontconfig-sys v3.2.0 [INFO] [stderr] Compiling serde_json v1.0.91 [INFO] [stderr] Compiling bytemuck v1.12.3 [INFO] [stderr] Compiling cmake v0.1.49 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling font-kit v0.11.0 [INFO] [stderr] Compiling weezl v0.1.7 [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" "a7bf56006a03681c90c8c8596553ef53be81547691fb0dc892e323f9917c938f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7bf56006a03681c90c8c8596553ef53be81547691fb0dc892e323f9917c938f", kill_on_drop: false }` [INFO] [stdout] a7bf56006a03681c90c8c8596553ef53be81547691fb0dc892e323f9917c938f