[INFO] cloning repository https://github.com/micouy/veccentric
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micouy/veccentric" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fveccentric", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fveccentric'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b2d2b6c923574036826bbc3939123a94c0d6306
[INFO] testing micouy/veccentric against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fveccentric" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/micouy/veccentric 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 git repo https://github.com/micouy/veccentric
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/micouy/veccentric
[INFO] tweaked toml for git repo https://github.com/micouy/veccentric written to /workspace/builds/worker-8/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-backend-empty v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-gl v0.9.0
[INFO] [stderr]   Downloaded mio-misc v1.2.2
[INFO] [stderr]   Downloaded thunderdome v0.4.2
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded pollster v0.2.5
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.9.0
[INFO] [stderr]   Downloaded wgpu-core v0.9.2
[INFO] [stderr]   Downloaded external-memory v0.0.1
[INFO] [stderr]   Downloaded gfx-renderdoc v0.1.0
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded rose_tree v0.2.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.9.0
[INFO] [stderr]   Downloaded gfx-hal v0.9.0
[INFO] [stderr]   Downloaded naga v0.5.0
[INFO] [stderr]   Downloaded wgpu v0.9.0
[INFO] [stderr]   Downloaded pixels v0.5.0
[INFO] [stderr]   Downloaded wgpu-types v0.9.0
[INFO] [stderr]   Downloaded gfx-auxil v0.10.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.9.1
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6b8a9c2977640b023df9f8a7cf9ebc9106fda22dbb22c47bf38d7f6d3557fa29
[INFO] running `Command { std: "docker" "start" "-a" "6b8a9c2977640b023df9f8a7cf9ebc9106fda22dbb22c47bf38d7f6d3557fa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b8a9c2977640b023df9f8a7cf9ebc9106fda22dbb22c47bf38d7f6d3557fa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8a9c2977640b023df9f8a7cf9ebc9106fda22dbb22c47bf38d7f6d3557fa29", kill_on_drop: false }`
[INFO] [stdout] 6b8a9c2977640b023df9f8a7cf9ebc9106fda22dbb22c47bf38d7f6d3557fa29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 94fae70d81690bd7a1f7b95a369cfdf690feeea897233347a0bea5e3cbb735cc
[INFO] running `Command { std: "docker" "start" "-a" "94fae70d81690bd7a1f7b95a369cfdf690feeea897233347a0bea5e3cbb735cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling veccentric v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_cfg, auto_traits, negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `veccentric` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "94fae70d81690bd7a1f7b95a369cfdf690feeea897233347a0bea5e3cbb735cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fae70d81690bd7a1f7b95a369cfdf690feeea897233347a0bea5e3cbb735cc", kill_on_drop: false }`
[INFO] [stdout] 94fae70d81690bd7a1f7b95a369cfdf690feeea897233347a0bea5e3cbb735cc