[INFO] updating cached repository https://github.com/kanggggao/bulletproof
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 617e4e6fea2cde7506b7e3c5596567fe66a696a9
[INFO] checking kanggggao/bulletproof against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanggggao%2Fbulletproof" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanggggao/bulletproof on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kanggggao/bulletproof
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/kanggggao/bulletproof
[INFO] tweaked toml for git repo https://github.com/kanggggao/bulletproof written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kanggggao/bulletproof already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0268599cb197f5ee403e459fe1aca23376e60ab334d81a4d368e034e9d27b8d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0268599cb197f5ee403e459fe1aca23376e60ab334d81a4d368e034e9d27b8d4"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling subtle v2.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking merlin v1.2.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking bulletproofs v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `bincode` is imported redundantly
[INFO] [stderr]    --> src/range_proof/mod.rs:531:13
[INFO] [stderr]     |
[INFO] [stderr] 531 |         use bincode;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:26:1
[INFO] [stderr]     |
[INFO] [stderr] 26  | extern crate bincode;
[INFO] [stderr]     | --------------------- the item `bincode` is already imported here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::SeedableRng`
[INFO] [stderr]  --> tests/scalar_utils.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::SeedableRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/scalar_utils.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |             let mut b_arr = ScalarBits::from_scalar(&r, 253);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.99s
[INFO] running `"docker" "inspect" "0268599cb197f5ee403e459fe1aca23376e60ab334d81a4d368e034e9d27b8d4"`
[INFO] running `"docker" "rm" "-f" "0268599cb197f5ee403e459fe1aca23376e60ab334d81a4d368e034e9d27b8d4"`
[INFO] [stdout] 0268599cb197f5ee403e459fe1aca23376e60ab334d81a4d368e034e9d27b8d4