[INFO] cloning repository https://github.com/KoheiAsano/muiltiple_precision_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KoheiAsano/muiltiple_precision_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoheiAsano%2Fmuiltiple_precision_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoheiAsano%2Fmuiltiple_precision_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18625203709a5cd456cdea2fe0b72dcf8fef50a2
[INFO] testing KoheiAsano/muiltiple_precision_rust against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoheiAsano%2Fmuiltiple_precision_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KoheiAsano/muiltiple_precision_rust
[INFO] finished tweaking git repo https://github.com/KoheiAsano/muiltiple_precision_rust
[INFO] tweaked toml for git repo https://github.com/KoheiAsano/muiltiple_precision_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KoheiAsano/muiltiple_precision_rust on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KoheiAsano/muiltiple_precision_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abcde0e51bd233af9f7e43a08d4750bc65226ebf2d83a6fb0807fa8026a2be23
[INFO] running `Command { std: "docker" "start" "-a" "abcde0e51bd233af9f7e43a08d4750bc65226ebf2d83a6fb0807fa8026a2be23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abcde0e51bd233af9f7e43a08d4750bc65226ebf2d83a6fb0807fa8026a2be23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abcde0e51bd233af9f7e43a08d4750bc65226ebf2d83a6fb0807fa8026a2be23", kill_on_drop: false }`
[INFO] [stdout] abcde0e51bd233af9f7e43a08d4750bc65226ebf2d83a6fb0807fa8026a2be23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dcce40524179e488f1ff4e91920a0b264cc4753aa01edef51c30de172d42755
[INFO] running `Command { std: "docker" "start" "-a" "0dcce40524179e488f1ff4e91920a0b264cc4753aa01edef51c30de172d42755", kill_on_drop: false }`
[INFO] [stderr]    Compiling multiple_precision_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `multiple_precision_rust`
[INFO] [stdout]    --> src/main.rs:735:2
[INFO] [stdout]     |
[INFO] [stdout] 735 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut q = BigInt::new();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut r = BigInt::new();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:304:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |         let mut r = BigInt::new();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> src/main.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 |         let mut q = BigInt::new();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut r = BigInt::new();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dividend_msd`
[INFO] [stdout]    --> src/main.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let dividend_msd = self.most_d() - 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dividend_msd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/main.rs:304:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |         let mut r = BigInt::new();
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lmd`
[INFO] [stdout]    --> src/main.rs:557:13
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let lmd = self.most_d();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_lmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rmd`
[INFO] [stdout]    --> src/main.rs:558:13
[INFO] [stdout]     |
[INFO] [stdout] 558 |         let rmd = rhs.most_d();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiple_precision_rust` (bin "multiple_precision_rust") due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0dcce40524179e488f1ff4e91920a0b264cc4753aa01edef51c30de172d42755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcce40524179e488f1ff4e91920a0b264cc4753aa01edef51c30de172d42755", kill_on_drop: false }`
[INFO] [stdout] 0dcce40524179e488f1ff4e91920a0b264cc4753aa01edef51c30de172d42755
