[INFO] cloning repository https://github.com/glgraca/connect4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glgraca/connect4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglgraca%2Fconnect4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglgraca%2Fconnect4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e19623045fab153357f2b0d57596994d976c029a [INFO] checking glgraca/connect4 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglgraca%2Fconnect4" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/glgraca/connect4 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/glgraca/connect4 [INFO] finished tweaking git repo https://github.com/glgraca/connect4 [INFO] tweaked toml for git repo https://github.com/glgraca/connect4 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/glgraca/connect4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f54ff22656cd312f268cde3a6efb83c32d90c980fe38d42ed6951c04d89c965 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1f54ff22656cd312f268cde3a6efb83c32d90c980fe38d42ed6951c04d89c965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f54ff22656cd312f268cde3a6efb83c32d90c980fe38d42ed6951c04d89c965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f54ff22656cd312f268cde3a6efb83c32d90c980fe38d42ed6951c04d89c965", kill_on_drop: false }` [INFO] [stdout] 1f54ff22656cd312f268cde3a6efb83c32d90c980fe38d42ed6951c04d89c965 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71d3fb4932350ea117ea6b5606b75d7b768886ec834b88e5dd3e2e1974d844af [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "71d3fb4932350ea117ea6b5606b75d7b768886ec834b88e5dd3e2e1974d844af", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.1 [INFO] [stderr] Checking connect4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/robot.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdin` [INFO] [stdout] --> src/robot.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/robot.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdin` [INFO] [stdout] --> src/robot.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `winner` is never read [INFO] [stdout] --> src/main.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | let mut winner=' '; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/robot.rs:75:11 [INFO] [stdout] | [INFO] [stdout] 75 | Some(h) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/human.rs:27:11 [INFO] [stdout] | [INFO] [stdout] 27 | let mut s=String::new(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col` is never read [INFO] [stdout] --> src/human.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | let mut col:i32=0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_full` [INFO] [stdout] --> src/board.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn is_full(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `winner` is never read [INFO] [stdout] --> src/main.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | let mut winner=' '; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/robot.rs:75:11 [INFO] [stdout] | [INFO] [stdout] 75 | Some(h) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/human.rs:27:11 [INFO] [stdout] | [INFO] [stdout] 27 | let mut s=String::new(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `col` is never read [INFO] [stdout] --> src/human.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | let mut col:i32=0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_full` [INFO] [stdout] --> src/board.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn is_full(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.06s [INFO] running `Command { std: "docker" "inspect" "71d3fb4932350ea117ea6b5606b75d7b768886ec834b88e5dd3e2e1974d844af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71d3fb4932350ea117ea6b5606b75d7b768886ec834b88e5dd3e2e1974d844af", kill_on_drop: false }` [INFO] [stdout] 71d3fb4932350ea117ea6b5606b75d7b768886ec834b88e5dd3e2e1974d844af