[INFO] updating cached repository https://github.com/steveklabnik/GPACalc.rs
[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] a40be331adf32c3eb12e5d876eaf3cea8984eb26
[INFO] checking steveklabnik/GPACalc.rs against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2FGPACalc.rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveklabnik/GPACalc.rs on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/steveklabnik/GPACalc.rs
[INFO] finished tweaking git repo https://github.com/steveklabnik/GPACalc.rs
[INFO] tweaked toml for git repo https://github.com/steveklabnik/GPACalc.rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/steveklabnik/GPACalc.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] d410126dcbea8b1414572b88ec40602c122c111cdd69a6f4f8e1f04a5ce0c5a6
[INFO] running `"docker" "start" "-a" "d410126dcbea8b1414572b88ec40602c122c111cdd69a6f4f8e1f04a5ce0c5a6"`
[INFO] [stderr]     Checking gpacalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `let`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     println!("Instructions: Type the uppercase letter grade then press enter\n enter `done` to calculate GPA")
[INFO] [stderr]   |                                                                                                               - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stderr] 6 |     let mut stdin = io::stdin();
[INFO] [stderr]   |     ^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `let`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     println!("Instructions: Type the uppercase letter grade then press enter\n enter `done` to calculate GPA")
[INFO] [stderr]   |                                                                                                               - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stderr] 6 |     let mut stdin = io::stdin();
[INFO] [stderr]   |     ^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `gpacalc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `gpacalc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d410126dcbea8b1414572b88ec40602c122c111cdd69a6f4f8e1f04a5ce0c5a6"`
[INFO] running `"docker" "rm" "-f" "d410126dcbea8b1414572b88ec40602c122c111cdd69a6f4f8e1f04a5ce0c5a6"`
[INFO] [stdout] d410126dcbea8b1414572b88ec40602c122c111cdd69a6f4f8e1f04a5ce0c5a6
