[INFO] cloning repository https://github.com/Tomboyo/rust-rocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tomboyo/rust-rocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomboyo%2Frust-rocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomboyo%2Frust-rocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c34a6a76b61c575c1ee02f1c5fb227bc9776bc91
[INFO] checking Tomboyo/rust-rocks against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomboyo%2Frust-rocks" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Tomboyo/rust-rocks
[INFO] finished tweaking git repo https://github.com/Tomboyo/rust-rocks
[INFO] tweaked toml for git repo https://github.com/Tomboyo/rust-rocks written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tomboyo/rust-rocks on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tomboyo/rust-rocks 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-sdl2_window v0.67.0
[INFO] [stderr]   Downloaded bytemuck v1.5.1
[INFO] [stderr]   Downloaded pistoncore-window v0.47.0
[INFO] [stderr]   Downloaded piston v0.53.0
[INFO] [stderr]   Downloaded pistoncore-input v1.0.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.78.0
[INFO] [stderr]   Downloaded piston-graphics_api_version v1.0.0
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded legion_codegen v0.4.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.0
[INFO] [stderr]   Downloaded lock_api v0.4.4
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded sdl2 v0.34.5
[INFO] [stderr]   Downloaded freetype-rs v0.28.0
[INFO] [stderr]   Downloaded sdl2-sys v0.34.5
[INFO] [stderr]   Downloaded legion v0.4.0
[INFO] [stderr]   Downloaded freetype-sys v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d4e9c09387564e7d8e59f0377ab17ad959d465c35c63a0aa80eb68584de411a
[INFO] running `Command { std: "docker" "start" "-a" "8d4e9c09387564e7d8e59f0377ab17ad959d465c35c63a0aa80eb68584de411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d4e9c09387564e7d8e59f0377ab17ad959d465c35c63a0aa80eb68584de411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4e9c09387564e7d8e59f0377ab17ad959d465c35c63a0aa80eb68584de411a", kill_on_drop: false }`
[INFO] [stdout] 8d4e9c09387564e7d8e59f0377ab17ad959d465c35c63a0aa80eb68584de411a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1beb1ac18c34a753dc03df9a368c859f9a8882e66c4c4da97547e382f0116b9c
[INFO] running `Command { std: "docker" "start" "-a" "1beb1ac18c34a753dc03df9a368c859f9a8882e66c4c4da97547e382f0116b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking atomic_refcell v0.1.7
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling freetype-sys v0.14.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking freetype-rs v0.28.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking piston2d-graphics v0.40.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling legion_codegen v0.4.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.78.0
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking erased-serde v0.3.13
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking legion v0.4.0
[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.0
[INFO] [stderr]     Checking pistoncore-sdl2_window v0.67.0
[INFO] [stderr]     Checking piston v0.53.0
[INFO] [stderr]     Checking rust-rocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-rocks` (bin "rust-rocks") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-rocks` (bin "rust-rocks" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1beb1ac18c34a753dc03df9a368c859f9a8882e66c4c4da97547e382f0116b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1beb1ac18c34a753dc03df9a368c859f9a8882e66c4c4da97547e382f0116b9c", kill_on_drop: false }`
[INFO] [stdout] 1beb1ac18c34a753dc03df9a368c859f9a8882e66c4c4da97547e382f0116b9c
