[INFO] updating cached repository steveklabnik/GPACalc.rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/steveklabnik/GPACalc.rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/GPACalc.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/GPACalc.rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/GPACalc.rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/GPACalc.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/GPACalc.rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/GPACalc.rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a40be331adf32c3eb12e5d876eaf3cea8984eb26 [INFO] sha for GitHub repo steveklabnik/GPACalc.rs: a40be331adf32c3eb12e5d876eaf3cea8984eb26 [INFO] validating manifest of steveklabnik/GPACalc.rs on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of steveklabnik/GPACalc.rs on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing steveklabnik/GPACalc.rs [INFO] finished frobbing steveklabnik/GPACalc.rs [INFO] frobbed toml for steveklabnik/GPACalc.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/GPACalc.rs/Cargo.toml [INFO] started frobbing steveklabnik/GPACalc.rs [INFO] finished frobbing steveklabnik/GPACalc.rs [INFO] frobbed toml for steveklabnik/GPACalc.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/GPACalc.rs/Cargo.toml [INFO] crate steveklabnik/GPACalc.rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing steveklabnik/GPACalc.rs against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/GPACalc.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 6d5dc76316dd717c05ba8336ba841fcfcf4c8a3dd5d150c5ffe4df7d3abfd05e [INFO] running `"docker" "start" "-a" "6d5dc76316dd717c05ba8336ba841fcfcf4c8a3dd5d150c5ffe4df7d3abfd05e"` [INFO] [stderr] Compiling gpacalc v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `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] | - help: a semicolon may be missing here [INFO] [stderr] 6 | let mut stdin = io::stdin(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `A` in this scope [INFO] [stderr] --> src/main.rs:15:26 [INFO] [stderr] | [INFO] [stderr] 15 | accum += A; [INFO] [stderr] | ^ help: a local variable with a similar name exists: `a` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `B` in this scope [INFO] [stderr] --> src/main.rs:19:26 [INFO] [stderr] | [INFO] [stderr] 19 | accum += B; [INFO] [stderr] | ^ help: a local variable with a similar name exists: `b` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `C` in this scope [INFO] [stderr] --> src/main.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | accum += C; [INFO] [stderr] | ^ help: a local variable with a similar name exists: `c` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `D` in this scope [INFO] [stderr] --> src/main.rs:27:26 [INFO] [stderr] | [INFO] [stderr] 27 | accum += D; [INFO] [stderr] | ^ help: a local variable with a similar name exists: `d` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `F` in this scope [INFO] [stderr] --> src/main.rs:31:26 [INFO] [stderr] | [INFO] [stderr] 31 | accum += F; [INFO] [stderr] | ^ help: a local variable with a similar name exists: `f` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `lines` found for type `std::io::StdinLock<'_>` in the current scope [INFO] [stderr] --> src/main.rs:11:24 [INFO] [stderr] | [INFO] [stderr] 11 | for line in reader.lines() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is in scope [INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::BufRead; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: Could not compile `gpacalc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "6d5dc76316dd717c05ba8336ba841fcfcf4c8a3dd5d150c5ffe4df7d3abfd05e"` [INFO] running `"docker" "rm" "-f" "6d5dc76316dd717c05ba8336ba841fcfcf4c8a3dd5d150c5ffe4df7d3abfd05e"` [INFO] [stdout] 6d5dc76316dd717c05ba8336ba841fcfcf4c8a3dd5d150c5ffe4df7d3abfd05e