[INFO] fetching crate voronoiify-image 1.0.2...
[INFO] testing voronoiify-image-1.0.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate voronoiify-image 1.0.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate voronoiify-image 1.0.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate voronoiify-image 1.0.2
[INFO] disabled cargo feature 'default-run' from crates.io crate voronoiify-image 1.0.2
[INFO] finished tweaking crates.io crate voronoiify-image 1.0.2
[INFO] tweaked toml for crates.io crate voronoiify-image 1.0.2 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `profile-overrides` has been stabilized in the 1.41 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#overrides for more information about using this feature.
[INFO] [stderr] warning: unused manifest key: profile.dev.overrides
[INFO] [stderr] warning: unused manifest key: profile.release.overrides
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] [stderr]   Downloaded deque v0.3.2
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded scopeguard v0.1.2
[INFO] [stderr]   Downloaded scoped-pool v1.0.0
[INFO] [stderr]   Downloaded num_cpus v1.0.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1dbd87b636d491c49938abb8c389dd27f11b1a0dab05d672e40881239a0b73
[INFO] running `Command { std: "docker" "start" "-a" "ce1dbd87b636d491c49938abb8c389dd27f11b1a0dab05d672e40881239a0b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1dbd87b636d491c49938abb8c389dd27f11b1a0dab05d672e40881239a0b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1dbd87b636d491c49938abb8c389dd27f11b1a0dab05d672e40881239a0b73", kill_on_drop: false }`
[INFO] [stdout] ce1dbd87b636d491c49938abb8c389dd27f11b1a0dab05d672e40881239a0b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c71dbed5abadf85f60a5aa4b4b9e4ec130fcffa1ad19be1e0cbbb0e2a446b7a
[INFO] running `Command { std: "docker" "start" "-a" "1c71dbed5abadf85f60a5aa4b4b9e4ec130fcffa1ad19be1e0cbbb0e2a446b7a", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `profile-overrides` has been stabilized in the 1.41 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#overrides for more information about using this feature.
[INFO] [stderr] warning: unused manifest key: profile.dev.overrides
[INFO] [stderr] warning: unused manifest key: profile.release.overrides
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.0.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling voronoiify-image v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/voronoi.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/voronoi.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/voronoi.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/voronoi.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(duration_as_u128)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/norms.rs:87:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | / /// Pseudo-distance is not a valid norm, but rather a value with the only guarantees
[INFO] [stdout] 88 | | /// that is has the exact same partial order as the real norm ([Dist]) and is non-negative.
[INFO] [stdout]    | |_------------------------------------------------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `voronoiify-image` due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1c71dbed5abadf85f60a5aa4b4b9e4ec130fcffa1ad19be1e0cbbb0e2a446b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c71dbed5abadf85f60a5aa4b4b9e4ec130fcffa1ad19be1e0cbbb0e2a446b7a", kill_on_drop: false }`
[INFO] [stdout] 1c71dbed5abadf85f60a5aa4b4b9e4ec130fcffa1ad19be1e0cbbb0e2a446b7a