[INFO] crate phase21 0.3.2 is already in cache [INFO] checking phase21-0.3.2 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] extracting crate phase21 0.3.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate phase21 0.3.2 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate phase21 0.3.2 [INFO] finished tweaking crates.io crate phase21 0.3.2 [INFO] tweaked toml for crates.io crate phase21 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate phase21 0.3.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0b9142fcdc2ba0467578f6f57a591d25f5c2e255d921e38e0cb504c1d69c2adf [INFO] running `"docker" "start" "-a" "0b9142fcdc2ba0467578f6f57a591d25f5c2e255d921e38e0cb504c1d69c2adf"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking blake2b_simd v0.4.1 [INFO] [stderr] Checking blake2b_simd v0.5.8 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Compiling ff_derive v0.3.0 [INFO] [stderr] Checking ff v0.4.0 [INFO] [stderr] Checking paired v0.15.0 [INFO] [stderr] Checking bellperson v0.3.0 [INFO] [stderr] Checking phase21 v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: the item `Arc` is imported redundantly [INFO] [stderr] --> src/lib.rs:1200:21 [INFO] [stderr] | [INFO] [stderr] 216 | sync::Arc, [INFO] [stderr] | --------- the item `Arc` is already imported here [INFO] [stderr] ... [INFO] [stderr] 1200 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Arc` is imported redundantly [INFO] [stderr] --> src/lib.rs:1200:21 [INFO] [stderr] | [INFO] [stderr] 216 | sync::Arc, [INFO] [stderr] | --------- the item `Arc` is already imported here [INFO] [stderr] ... [INFO] [stderr] 1200 | use std::sync::{Arc, Mutex}; [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] --> src/lib.rs:1343:22 [INFO] [stderr] | [INFO] [stderr] 1343 | pub fn into_hash(mut self) -> [u8; 64] { [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1343:22 [INFO] [stderr] | [INFO] [stderr] 1343 | pub fn into_hash(mut self) -> [u8; 64] { [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] warning: variable does not need to be mutable [INFO] [stderr] --> examples/mimc.rs:93:17 [INFO] [stderr] | [INFO] [stderr] 93 | let mut tmp_value = xl_value.map(|mut e| { [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] warning: variable does not need to be mutable [INFO] [stderr] --> examples/mimc.rs:98:17 [INFO] [stderr] | [INFO] [stderr] 98 | let mut tmp = cs.alloc( [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/mimc.rs:113:17 [INFO] [stderr] | [INFO] [stderr] 113 | let mut new_xl_value = xl_value.map(|mut e| { [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/mimc.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | let mut new_xl = if i == (MIMC_ROUNDS - 1) { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.58s [INFO] running `"docker" "inspect" "0b9142fcdc2ba0467578f6f57a591d25f5c2e255d921e38e0cb504c1d69c2adf"` [INFO] running `"docker" "rm" "-f" "0b9142fcdc2ba0467578f6f57a591d25f5c2e255d921e38e0cb504c1d69c2adf"` [INFO] [stdout] 0b9142fcdc2ba0467578f6f57a591d25f5c2e255d921e38e0cb504c1d69c2adf