[INFO] fetching crate dynagrad 0.4.1...
[INFO] checking dynagrad-0.4.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate dynagrad 0.4.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dynagrad 0.4.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-1-tc1/source/examples/simple.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `eg_simple`
[INFO] [stderr]   * `example` target `simple`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded ndarray-rand v0.9.0
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded gnuplot v0.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87f7f4f7bf2ccee13dca0308cb8d8e813477c576697995c1458aa90ddf5d8416
[INFO] running `Command { std: "docker" "start" "-a" "87f7f4f7bf2ccee13dca0308cb8d8e813477c576697995c1458aa90ddf5d8416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f7f4f7bf2ccee13dca0308cb8d8e813477c576697995c1458aa90ddf5d8416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f7f4f7bf2ccee13dca0308cb8d8e813477c576697995c1458aa90ddf5d8416", kill_on_drop: false }`
[INFO] [stdout] 87f7f4f7bf2ccee13dca0308cb8d8e813477c576697995c1458aa90ddf5d8416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e57ebd44cc00ca136885dd48e7ec13919e2343648106a24cb97a16d68aca7a
[INFO] running `Command { std: "docker" "start" "-a" "81e57ebd44cc00ca136885dd48e7ec13919e2343648106a24cb97a16d68aca7a", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/simple.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `eg_simple`
[INFO] [stderr]   * `example` target `simple`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dynagrad v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ndarray-rand v0.9.0
[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 `Weak<_, _>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `std::rc::Weak<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       std::rc::Weak::<T>::new
[INFO] [stdout]       std::rc::Weak::<T, A>::new_in
[INFO] [stdout]       std::rc::Weak::<T>::from_raw
[INFO] [stdout]       std::rc::Weak::<T, A>::from_raw_in
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/rc.rs:3001:5
[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 `Weak<_, _>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `std::rc::Weak<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       std::rc::Weak::<T>::new
[INFO] [stdout]       std::rc::Weak::<T, A>::new_in
[INFO] [stdout]       std::rc::Weak::<T>::from_raw
[INFO] [stdout]       std::rc::Weak::<T, A>::from_raw_in
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/rc.rs:3001:5
[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` (lib) 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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynagrad` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "81e57ebd44cc00ca136885dd48e7ec13919e2343648106a24cb97a16d68aca7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e57ebd44cc00ca136885dd48e7ec13919e2343648106a24cb97a16d68aca7a", kill_on_drop: false }`
[INFO] [stdout] 81e57ebd44cc00ca136885dd48e7ec13919e2343648106a24cb97a16d68aca7a