[INFO] updating cached repository https://github.com/drocha87/enigma [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] a65a058af97ce7b14abbdde9df4bf84cd1e0b4f0 [INFO] checking drocha87/enigma against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrocha87%2Fenigma" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/drocha87/enigma on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/drocha87/enigma [INFO] finished tweaking git repo https://github.com/drocha87/enigma [INFO] tweaked toml for git repo https://github.com/drocha87/enigma written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/drocha87/enigma already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] dba1a29b025348a5728b0f3ee9dc2955603fc7bc88cd0935f887574d26840c9b [INFO] running `"docker" "start" "-a" "dba1a29b025348a5728b0f3ee9dc2955603fc7bc88cd0935f887574d26840c9b"` [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking enigma v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | let mut res1 = Enigma::new(a, b, c, d, s.clone()).cipher(msg); [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/main.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | let mut res1 = Enigma::new(a, b, c, d, s.clone()).cipher(msg); [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 4.77s [INFO] running `"docker" "inspect" "dba1a29b025348a5728b0f3ee9dc2955603fc7bc88cd0935f887574d26840c9b"` [INFO] running `"docker" "rm" "-f" "dba1a29b025348a5728b0f3ee9dc2955603fc7bc88cd0935f887574d26840c9b"` [INFO] [stdout] dba1a29b025348a5728b0f3ee9dc2955603fc7bc88cd0935f887574d26840c9b