[INFO] cloning repository https://github.com/SciDev5/rust-vst-fftmorph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SciDev5/rust-vst-fftmorph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSciDev5%2Frust-vst-fftmorph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSciDev5%2Frust-vst-fftmorph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07dcc7e4b659e7bf5e924b7c0f4e66a07be88e53
[INFO] testing SciDev5/rust-vst-fftmorph against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSciDev5%2Frust-vst-fftmorph" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/SciDev5/rust-vst-fftmorph
[INFO] finished tweaking git repo https://github.com/SciDev5/rust-vst-fftmorph
[INFO] tweaked toml for git repo https://github.com/SciDev5/rust-vst-fftmorph written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SciDev5/rust-vst-fftmorph on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SciDev5/rust-vst-fftmorph 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/robbert-vdh/nih-plug.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/nicokoch/reflink.git`
[INFO] [stderr]     Updating git repository `https://github.com/robbert-vdh/rust-assert-no-alloc.git`
[INFO] [stderr]     Updating git repository `https://github.com/robbert-vdh/vst3-sys.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 182dc588aa1b26f68442b24451c157be0bdf22604e125a6e15c92fdda69aad99
[INFO] running `Command { std: "docker" "start" "-a" "182dc588aa1b26f68442b24451c157be0bdf22604e125a6e15c92fdda69aad99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182dc588aa1b26f68442b24451c157be0bdf22604e125a6e15c92fdda69aad99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182dc588aa1b26f68442b24451c157be0bdf22604e125a6e15c92fdda69aad99", kill_on_drop: false }`
[INFO] [stdout] 182dc588aa1b26f68442b24451c157be0bdf22604e125a6e15c92fdda69aad99
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c9e2422f2f2d544f8e4f3f63cba02af48018ced60a32988132462fb446d76e7
[INFO] running `Command { std: "docker" "start" "-a" "2c9e2422f2f2d544f8e4f3f63cba02af48018ced60a32988132462fb446d76e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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 rustfft v6.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.7
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling once_cell v1.17.1
[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" "2c9e2422f2f2d544f8e4f3f63cba02af48018ced60a32988132462fb446d76e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9e2422f2f2d544f8e4f3f63cba02af48018ced60a32988132462fb446d76e7", kill_on_drop: false }`
[INFO] [stdout] 2c9e2422f2f2d544f8e4f3f63cba02af48018ced60a32988132462fb446d76e7