[INFO] fetching crate dynagrad 0.4.1...
[INFO] checking dynagrad-0.4.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate dynagrad 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dynagrad 0.4.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynagrad 0.4.1
[INFO] finished tweaking crates.io crate dynagrad 0.4.1
[INFO] tweaked toml for crates.io crate dynagrad 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate dynagrad 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-7/source/examples/simple.rs
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gnuplot v0.0.32
[INFO] [stderr]   Downloaded ndarray-rand v0.9.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] b29e283b5e869e7f2f208de2beee004df7baafc0b38dcd9c0f012696715fd9b5
[INFO] running `Command { std: "docker" "start" "-a" "b29e283b5e869e7f2f208de2beee004df7baafc0b38dcd9c0f012696715fd9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29e283b5e869e7f2f208de2beee004df7baafc0b38dcd9c0f012696715fd9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29e283b5e869e7f2f208de2beee004df7baafc0b38dcd9c0f012696715fd9b5", kill_on_drop: false }`
[INFO] [stdout] b29e283b5e869e7f2f208de2beee004df7baafc0b38dcd9c0f012696715fd9b5
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7634ef082380ee0381d174dd9a3e6e86254bf8c5dd27d5d010e8fef925688a38
[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" "7634ef082380ee0381d174dd9a3e6e86254bf8c5dd27d5d010e8fef925688a38", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/simple.rs
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking dynagrad v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(weak_into_raw)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `as_raw` found for struct `std::rc::Weak` in the current scope
[INFO] [stdout]   --> src/core.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (Weak::as_raw(&p) as usize).hash(state);
[INFO] [stdout]    |                ^^^^^^ function or associated item not found in `std::rc::Weak<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynagrad` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(weak_into_raw)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `as_raw` found for struct `std::rc::Weak` in the current scope
[INFO] [stdout]   --> src/core.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (Weak::as_raw(&p) as usize).hash(state);
[INFO] [stdout]    |                ^^^^^^ function or associated item not found in `std::rc::Weak<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7634ef082380ee0381d174dd9a3e6e86254bf8c5dd27d5d010e8fef925688a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7634ef082380ee0381d174dd9a3e6e86254bf8c5dd27d5d010e8fef925688a38", kill_on_drop: false }`
[INFO] [stdout] 7634ef082380ee0381d174dd9a3e6e86254bf8c5dd27d5d010e8fef925688a38
