[INFO] fetching crate snarkvm-algorithms 0.2.1...
[INFO] checking snarkvm-algorithms-0.2.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate snarkvm-algorithms 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate snarkvm-algorithms 0.2.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snarkvm-algorithms 0.2.1
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate snarkvm-algorithms 0.2.1
[INFO] tweaked toml for crates.io crate snarkvm-algorithms 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate snarkvm-algorithms 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 737377e57e7af5a69e0df5441bdeb085e48b24dba403d0f5c39eee407ec90427
[INFO] running `Command { std: "docker" "start" "-a" "737377e57e7af5a69e0df5441bdeb085e48b24dba403d0f5c39eee407ec90427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "737377e57e7af5a69e0df5441bdeb085e48b24dba403d0f5c39eee407ec90427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737377e57e7af5a69e0df5441bdeb085e48b24dba403d0f5c39eee407ec90427", kill_on_drop: false }`
[INFO] [stdout] 737377e57e7af5a69e0df5441bdeb085e48b24dba403d0f5c39eee407ec90427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 303b0f90aebccbfa4ca0237cb7ece77efe7b7c9eaf4716dd5f4f7d0c64c9c434
[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" "303b0f90aebccbfa4ca0237cb7ece77efe7b7c9eaf4716dd5f4f7d0c64c9c434", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking snarkvm-profiler v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Compiling snarkvm-derives v0.2.1
[INFO] [stderr]     Checking snarkvm-utilities v0.2.1
[INFO] [stderr]     Checking snarkvm-fields v0.2.1
[INFO] [stderr]     Checking snarkvm-curves v0.2.1
[INFO] [stderr]     Checking snarkvm-r1cs v0.2.1
[INFO] [stderr]     Checking snarkvm-algorithms v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::thread_rng`
[INFO] [stdout]    --> src/fft/domain.rs:561:16
[INFO] [stdout]     |
[INFO] [stdout] 561 |     use rand::{thread_rng, Rng};
[INFO] [stdout]     |                ^^^^^^^^^^ no `thread_rng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::thread_rng`
[INFO] [stdout]    --> src/fft/polynomial/dense.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     use rand::thread_rng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ no `thread_rng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::thread_rng`
[INFO] [stdout]    --> src/snark/gm17/tests.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use rand::thread_rng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ no `thread_rng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> src/fft/tests.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let rng = &mut rand::thread_rng();
[INFO] [stdout]    |                          ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]    --> src/fft/tests.rs:149:26
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let rng = &mut rand::thread_rng();
[INFO] [stdout]     |                          ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]    --> src/fft/domain.rs:561:28
[INFO] [stdout]     |
[INFO] [stdout] 561 |     use rand::{thread_rng, Rng};
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snarkvm-algorithms`
[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" "303b0f90aebccbfa4ca0237cb7ece77efe7b7c9eaf4716dd5f4f7d0c64c9c434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303b0f90aebccbfa4ca0237cb7ece77efe7b7c9eaf4716dd5f4f7d0c64c9c434", kill_on_drop: false }`
[INFO] [stdout] 303b0f90aebccbfa4ca0237cb7ece77efe7b7c9eaf4716dd5f4f7d0c64c9c434