[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] checking KoheiAsano/muiltiple_precision_rust/18625203709a5cd456cdea2fe0b72dcf8fef50a2 against master#49b6ac01d6f4c3da812039ae846407a20961aa4c for pr-154887 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoheiAsano%2Fmuiltiple_precision_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/KoheiAsano/muiltiple_precision_rust on toolchain 49b6ac01d6f4c3da812039ae846407a20961aa4c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 891ef0e13933a77534405ccd5700ea69cb916102bdb5e82bb7c1acbf9f72b342 [INFO] running `Command { std: "docker" "start" "-a" "891ef0e13933a77534405ccd5700ea69cb916102bdb5e82bb7c1acbf9f72b342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "891ef0e13933a77534405ccd5700ea69cb916102bdb5e82bb7c1acbf9f72b342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "891ef0e13933a77534405ccd5700ea69cb916102bdb5e82bb7c1acbf9f72b342", kill_on_drop: false }` [INFO] [stdout] 891ef0e13933a77534405ccd5700ea69cb916102bdb5e82bb7c1acbf9f72b342 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c689aa2836848e3789bdfeb611fd4c67b928e6cee2b76f6894340c4ee74d9dac [INFO] running `Command { std: "docker" "start" "-a" "c689aa2836848e3789bdfeb611fd4c67b928e6cee2b76f6894340c4ee74d9dac", kill_on_drop: false }` [INFO] [stderr] Checking 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] [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] [stderr] warning: build failed, waiting for other jobs to finish... [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] warning: variable `isFirst` should have a snake case name [INFO] [stdout] --> src/main.rs:301:17 [INFO] [stdout] | [INFO] [stdout] 301 | let mut isFirst = 1; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `is_first` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_naive_positive_division_divisor_smaller_than_RADIX` should have a snake case name [INFO] [stdout] --> src/main.rs:377:4 [INFO] [stdout] | [INFO] [stdout] 377 | fn check_naive_positive_division_divisor_smaller_than_RADIX() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `check_naive_positive_division_divisor_smaller_than_radix` [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c689aa2836848e3789bdfeb611fd4c67b928e6cee2b76f6894340c4ee74d9dac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c689aa2836848e3789bdfeb611fd4c67b928e6cee2b76f6894340c4ee74d9dac", kill_on_drop: false }` [INFO] [stdout] c689aa2836848e3789bdfeb611fd4c67b928e6cee2b76f6894340c4ee74d9dac