[INFO] cloning repository https://github.com/stallmanifold/triforces-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stallmanifold/triforces-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ftriforces-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ftriforces-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50fe6596a734eb5d6e6ba464d7029efef577c775
[INFO] documenting stallmanifold/triforces-demo against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ftriforces-demo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stallmanifold/triforces-demo on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stallmanifold/triforces-demo
[INFO] finished tweaking git repo https://github.com/stallmanifold/triforces-demo
[INFO] tweaked toml for git repo https://github.com/stallmanifold/triforces-demo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/stallmanifold/triforces-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfeb625026e62da3d2f6447faa559c7864c49003ea4ad7110a430c9f6bf3b64c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bfeb625026e62da3d2f6447faa559c7864c49003ea4ad7110a430c9f6bf3b64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfeb625026e62da3d2f6447faa559c7864c49003ea4ad7110a430c9f6bf3b64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfeb625026e62da3d2f6447faa559c7864c49003ea4ad7110a430c9f6bf3b64c", kill_on_drop: false }`
[INFO] [stdout] bfeb625026e62da3d2f6447faa559c7864c49003ea4ad7110a430c9f6bf3b64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af8063d69b511b4880c805b3ba93e16703b3317cddccf5da64ea3062bafb280f
[INFO] running `Command { std: "docker" "start" "-a" "af8063d69b511b4880c805b3ba93e16703b3317cddccf5da64ea3062bafb280f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]    Compiling stb_image v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking gdmath v0.7.58 (https://github.com/lambdaxymox/gdmath#3cbe8953)
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking texture v0.1.4 (https://github.com/lambdaxymox/teximage2d#5a88096d)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/teximage2d-b189881742bb8819/5a88096/texture/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_into_raw_parts)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/teximage2d-b189881742bb8819/5a88096/texture/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_into_raw_parts)]
[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 `texture`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "af8063d69b511b4880c805b3ba93e16703b3317cddccf5da64ea3062bafb280f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8063d69b511b4880c805b3ba93e16703b3317cddccf5da64ea3062bafb280f", kill_on_drop: false }`
[INFO] [stdout] af8063d69b511b4880c805b3ba93e16703b3317cddccf5da64ea3062bafb280f