[INFO] cloning repository https://github.com/hitohata/math-and-algorithm-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hitohata/math-and-algorithm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Fmath-and-algorithm-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Fmath-and-algorithm-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3e25486a0a1262a070e1235ddb80f6da4130a47 [INFO] checking hitohata/math-and-algorithm-rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Fmath-and-algorithm-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hitohata/math-and-algorithm-rust on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hitohata/math-and-algorithm-rust [INFO] finished tweaking git repo https://github.com/hitohata/math-and-algorithm-rust [INFO] tweaked toml for git repo https://github.com/hitohata/math-and-algorithm-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hitohata/math-and-algorithm-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proconio v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d914a35e460422bf591c24f77ded7887c7f7c0e8404b26b141c127cbbc0b14e0 [INFO] running `Command { std: "docker" "start" "-a" "d914a35e460422bf591c24f77ded7887c7f7c0e8404b26b141c127cbbc0b14e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d914a35e460422bf591c24f77ded7887c7f7c0e8404b26b141c127cbbc0b14e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d914a35e460422bf591c24f77ded7887c7f7c0e8404b26b141c127cbbc0b14e0", kill_on_drop: false }` [INFO] [stdout] d914a35e460422bf591c24f77ded7887c7f7c0e8404b26b141c127cbbc0b14e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 183f9d39d4aaf97ecc2fa66b35434cc8d30aa4f11759ab98ece2eaa9d016543c [INFO] running `Command { std: "docker" "start" "-a" "183f9d39d4aaf97ecc2fa66b35434cc8d30aa4f11759ab98ece2eaa9d016543c", kill_on_drop: false }` [INFO] [stderr] Checking proconio v0.4.3 [INFO] [stderr] Checking math-and-algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/bin/055.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/bin/056.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{self, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a_pair` is never read [INFO] [stdout] --> src/bin/037.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut a_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b_pair` is never read [INFO] [stdout] --> src/bin/037.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut b_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c_pair` is never read [INFO] [stdout] --> src/bin/037.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut c_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d_pair` is never read [INFO] [stdout] --> src/bin/037.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut d_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/bin/055.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/bin/056.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{self, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a_pair` is never read [INFO] [stdout] --> src/bin/037.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut a_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b_pair` is never read [INFO] [stdout] --> src/bin/037.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut b_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c_pair` is never read [INFO] [stdout] --> src/bin/037.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut c_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d_pair` is never read [INFO] [stdout] --> src/bin/037.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut d_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "183f9d39d4aaf97ecc2fa66b35434cc8d30aa4f11759ab98ece2eaa9d016543c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "183f9d39d4aaf97ecc2fa66b35434cc8d30aa4f11759ab98ece2eaa9d016543c", kill_on_drop: false }` [INFO] [stdout] 183f9d39d4aaf97ecc2fa66b35434cc8d30aa4f11759ab98ece2eaa9d016543c [INFO] checking hitohata/math-and-algorithm-rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Fmath-and-algorithm-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hitohata/math-and-algorithm-rust on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hitohata/math-and-algorithm-rust [INFO] finished tweaking git repo https://github.com/hitohata/math-and-algorithm-rust [INFO] tweaked toml for git repo https://github.com/hitohata/math-and-algorithm-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hitohata/math-and-algorithm-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5c9183ca44b4a67e5087fb42053c06550d591b96efe2b3319a46cf5d200af1a [INFO] running `Command { std: "docker" "start" "-a" "b5c9183ca44b4a67e5087fb42053c06550d591b96efe2b3319a46cf5d200af1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5c9183ca44b4a67e5087fb42053c06550d591b96efe2b3319a46cf5d200af1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5c9183ca44b4a67e5087fb42053c06550d591b96efe2b3319a46cf5d200af1a", kill_on_drop: false }` [INFO] [stdout] b5c9183ca44b4a67e5087fb42053c06550d591b96efe2b3319a46cf5d200af1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9937bd1fc4abb0fdbd71462172d947795d72d68b09087f1d30499b9a573ababa [INFO] running `Command { std: "docker" "start" "-a" "9937bd1fc4abb0fdbd71462172d947795d72d68b09087f1d30499b9a573ababa", kill_on_drop: false }` [INFO] [stderr] Checking proconio v0.4.3 [INFO] [stderr] Checking math-and-algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/bin/056.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{self, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/bin/055.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a_pair` is never read [INFO] [stdout] --> src/bin/037.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut a_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b_pair` is never read [INFO] [stdout] --> src/bin/037.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut b_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c_pair` is never read [INFO] [stdout] --> src/bin/037.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut c_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d_pair` is never read [INFO] [stdout] --> src/bin/037.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut d_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/bin/055.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a_pair` is never read [INFO] [stdout] --> src/bin/037.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | let mut a_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b_pair` is never read [INFO] [stdout] --> src/bin/037.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let mut b_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `c_pair` is never read [INFO] [stdout] --> src/bin/037.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut c_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `d_pair` is never read [INFO] [stdout] --> src/bin/037.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut d_pair = vec![0; 2]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/bin/016.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / if a > b { [INFO] [stdout] 26 | | let mod_val = a % b; [INFO] [stdout] 27 | | [INFO] [stdout] 28 | | if mod_val == 0 { return b }; [INFO] [stdout] ... | [INFO] [stdout] 37 | | return gcd(a, mod_val); [INFO] [stdout] 38 | | }; [INFO] [stdout] | |_____^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `math-and-algorithm` (bin "math-and-algorithm-016" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9937bd1fc4abb0fdbd71462172d947795d72d68b09087f1d30499b9a573ababa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9937bd1fc4abb0fdbd71462172d947795d72d68b09087f1d30499b9a573ababa", kill_on_drop: false }` [INFO] [stdout] 9937bd1fc4abb0fdbd71462172d947795d72d68b09087f1d30499b9a573ababa