[INFO] fetching crate rust_graphics_library_loader 0.1.4...
[INFO] checking rust_graphics_library_loader-0.1.4 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate rust_graphics_library_loader 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust_graphics_library_loader 0.1.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_graphics_library_loader 0.1.4
[INFO] finished tweaking crates.io crate rust_graphics_library_loader 0.1.4
[INFO] tweaked toml for crates.io crate rust_graphics_library_loader 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rust_graphics_library_loader 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] ccf10ad9c1cfa8b59e45f6dd5fad87efa888b4817e1f2dd8144f4ad90287adf3
[INFO] running `Command { std: "docker" "start" "-a" "ccf10ad9c1cfa8b59e45f6dd5fad87efa888b4817e1f2dd8144f4ad90287adf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf10ad9c1cfa8b59e45f6dd5fad87efa888b4817e1f2dd8144f4ad90287adf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf10ad9c1cfa8b59e45f6dd5fad87efa888b4817e1f2dd8144f4ad90287adf3", kill_on_drop: false }`
[INFO] [stdout] ccf10ad9c1cfa8b59e45f6dd5fad87efa888b4817e1f2dd8144f4ad90287adf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--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] 17f1bed0aa1549e2dfba13961fb4c07d84c860af38e9f890ce14280b284856cd
[INFO] running `Command { std: "docker" "start" "-a" "17f1bed0aa1549e2dfba13961fb4c07d84c860af38e9f890ce14280b284856cd", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_graphics_log v0.1.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_graphics_log-0.1.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(thread_id_value)]
[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 `rust_graphics_log`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "17f1bed0aa1549e2dfba13961fb4c07d84c860af38e9f890ce14280b284856cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f1bed0aa1549e2dfba13961fb4c07d84c860af38e9f890ce14280b284856cd", kill_on_drop: false }`
[INFO] [stdout] 17f1bed0aa1549e2dfba13961fb4c07d84c860af38e9f890ce14280b284856cd
