[INFO] updating cached repository https://github.com/gorilskij/rustiks
[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] 5dfbe83284d622992353cc3d2587cbcbfa014d01
[INFO] checking gorilskij/rustiks against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgorilskij%2Frustiks" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gorilskij/rustiks on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gorilskij/rustiks
[INFO] finished tweaking git repo https://github.com/gorilskij/rustiks
[INFO] tweaked toml for git repo https://github.com/gorilskij/rustiks written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gorilskij/rustiks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 1b6b436a144ec0675b62080b87c7ed03ab3931697d7ec431338e5e0acae181e3
[INFO] running `"docker" "start" "-a" "1b6b436a144ec0675b62080b87c7ed03ab3931697d7ec431338e5e0acae181e3"`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking Rustiks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `cross_alg`
[INFO] [stderr]   --> src/cube/solving.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let cross_alg = self.solve_cross_alg();
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_cross_alg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rustiks` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rustiks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cross_alg`
[INFO] [stderr]   --> src/cube/solving.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let cross_alg = self.solve_cross_alg();
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_cross_alg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rustiks` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rustiks`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.12s
[INFO] running `"docker" "inspect" "1b6b436a144ec0675b62080b87c7ed03ab3931697d7ec431338e5e0acae181e3"`
[INFO] running `"docker" "rm" "-f" "1b6b436a144ec0675b62080b87c7ed03ab3931697d7ec431338e5e0acae181e3"`
[INFO] [stdout] 1b6b436a144ec0675b62080b87c7ed03ab3931697d7ec431338e5e0acae181e3