[INFO] cloning repository https://github.com/steveklabnik/GPACalc.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveklabnik/GPACalc.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2FGPACalc.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2FGPACalc.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a40be331adf32c3eb12e5d876eaf3cea8984eb26
[INFO] documenting steveklabnik/GPACalc.rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2FGPACalc.rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveklabnik/GPACalc.rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/steveklabnik/GPACalc.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7ac177afbd3b0c72a76eafcd9723b27f893a3fd744225e63ab504fad114f9aa
[INFO] running `Command { std: "docker" "start" "-a" "c7ac177afbd3b0c72a76eafcd9723b27f893a3fd744225e63ab504fad114f9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7ac177afbd3b0c72a76eafcd9723b27f893a3fd744225e63ab504fad114f9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ac177afbd3b0c72a76eafcd9723b27f893a3fd744225e63ab504fad114f9aa", kill_on_drop: false }`
[INFO] [stdout] c7ac177afbd3b0c72a76eafcd9723b27f893a3fd744225e63ab504fad114f9aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c8357eba7f626644b98758faf369f5b1183d16c117d4fbd6678ec5cf50d381
[INFO] running `Command { std: "docker" "start" "-a" "93c8357eba7f626644b98758faf369f5b1183d16c117d4fbd6678ec5cf50d381", kill_on_drop: false }`
[INFO] [stderr]  Documenting gpacalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `let`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("Instructions: Type the uppercase letter grade then press enter\n enter `done` to calculate GPA")
[INFO] [stdout]   |                                                                                                               - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 6 |     let mut stdin = io::stdin();
[INFO] [stdout]   |     ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `gpacalc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name gpacalc src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "93c8357eba7f626644b98758faf369f5b1183d16c117d4fbd6678ec5cf50d381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c8357eba7f626644b98758faf369f5b1183d16c117d4fbd6678ec5cf50d381", kill_on_drop: false }`
[INFO] [stdout] 93c8357eba7f626644b98758faf369f5b1183d16c117d4fbd6678ec5cf50d381
