[INFO] updating cached repository https://github.com/NicholasLYang/saber
[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] 45a8a2ab52fcd6e884c5b09518f64fb73473ee6f
[INFO] checking NicholasLYang/saber against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fsaber" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicholasLYang/saber 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/NicholasLYang/saber
[INFO] finished tweaking git repo https://github.com/NicholasLYang/saber
[INFO] tweaked toml for git repo https://github.com/NicholasLYang/saber written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/NicholasLYang/saber 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2eaf13fc2cc621ec615f0e2cf92e6da52bf31fb66fa33184a9d7e43f69b621f0
[INFO] running `"docker" "start" "-a" "2eaf13fc2cc621ec615f0e2cf92e6da52bf31fb66fa33184a9d7e43f69b621f0"`
[INFO] [stderr] Compiling cc v1.0.22
[INFO] [stderr] Checking strum v0.13.0
[INFO] [stderr] Checking itertools v0.8.0
[INFO] [stderr] Compiling quote v0.6.8
[INFO] [stderr] Compiling syn v0.15.15
[INFO] [stderr] Compiling backtrace-sys v0.1.24
[INFO] [stderr] Checking backtrace v0.3.9
[INFO] [stderr] Compiling synstructure v0.10.1
[INFO] [stderr] Compiling failure_derive v0.1.5
[INFO] [stderr] Compiling strum_macros v0.13.0
[INFO] [stderr] Checking failure v0.1.5
[INFO] [stderr] Checking saber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr] --> src/code_generator.rs:2:5
[INFO] [stderr] |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr]
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr] --> src/code_generator.rs:2:5
[INFO] [stderr] |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] |
[INFO] [stderr] = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr]
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr] --> src/code_generator.rs:180:36
[INFO] [stderr] |
[INFO] [stderr] 180 | fn get_params_index(&mut self, var: &Name) -> Result