[INFO] crate dynagrad 0.4.1 is already in cache
[INFO] documenting dynagrad-0.4.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate dynagrad 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dynagrad 0.4.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-13/source/examples/simple.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 97810b9ef2ba5594cab780d7b32c6b74aae903b71b49121cfd38425fca1d7fd8
[INFO] running `Command { std: "docker" "start" "-a" "97810b9ef2ba5594cab780d7b32c6b74aae903b71b49121cfd38425fca1d7fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97810b9ef2ba5594cab780d7b32c6b74aae903b71b49121cfd38425fca1d7fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97810b9ef2ba5594cab780d7b32c6b74aae903b71b49121cfd38425fca1d7fd8", kill_on_drop: false }`
[INFO] [stdout] 97810b9ef2ba5594cab780d7b32c6b74aae903b71b49121cfd38425fca1d7fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] ac55251f9146c5af569d407c01625a7ebd6df5a023f195001c68ac84784467d6
[INFO] running `Command { std: "docker" "start" "-a" "ac55251f9146c5af569d407c01625a7ebd6df5a023f195001c68ac84784467d6", 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 matrixmultiply v0.1.15
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking dynagrad v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting dynagrad v0.4.1 (/opt/rustwide/workdir)
[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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynagrad`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ac55251f9146c5af569d407c01625a7ebd6df5a023f195001c68ac84784467d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac55251f9146c5af569d407c01625a7ebd6df5a023f195001c68ac84784467d6", kill_on_drop: false }`
[INFO] [stdout] ac55251f9146c5af569d407c01625a7ebd6df5a023f195001c68ac84784467d6