[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] ce8e63118a9ae2d4d1623815c2dfd9fd3edcd9e3 [INFO] testing glgraca/connect4 against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglgraca%2Fconnect4" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/glgraca/connect4 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-11/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.2.1 [INFO] [stderr] Downloaded rand v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2dbf3d29e314c54ec24ae11db9580287310a825c2e557d5bf4b4f0166b34f576 [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" "2dbf3d29e314c54ec24ae11db9580287310a825c2e557d5bf4b4f0166b34f576", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dbf3d29e314c54ec24ae11db9580287310a825c2e557d5bf4b4f0166b34f576", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dbf3d29e314c54ec24ae11db9580287310a825c2e557d5bf4b4f0166b34f576", kill_on_drop: false }` [INFO] [stdout] 2dbf3d29e314c54ec24ae11db9580287310a825c2e557d5bf4b4f0166b34f576 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9b18a0ac719f027fc7d0336964c57396cc660050cddf9a7981bee3baf7c76318 [INFO] running `Command { std: "docker" "start" "-a" "9b18a0ac719f027fc7d0336964c57396cc660050cddf9a7981bee3baf7c76318", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.1 [INFO] [stderr] Compiling 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: 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: field is never read: `pieces` [INFO] [stdout] --> src/board.rs:3:2 [INFO] [stdout] | [INFO] [stdout] 3 | pieces: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/board.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [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] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/robot.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | stdin().read_line(&mut s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.38s [INFO] running `Command { std: "docker" "inspect" "9b18a0ac719f027fc7d0336964c57396cc660050cddf9a7981bee3baf7c76318", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b18a0ac719f027fc7d0336964c57396cc660050cddf9a7981bee3baf7c76318", kill_on_drop: false }` [INFO] [stdout] 9b18a0ac719f027fc7d0336964c57396cc660050cddf9a7981bee3baf7c76318 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aee4ae19d49572e53d6b08e88a54c19c9fc6831e0fe36ff66ff9e968d9c54f94 [INFO] running `Command { std: "docker" "start" "-a" "aee4ae19d49572e53d6b08e88a54c19c9fc6831e0fe36ff66ff9e968d9c54f94", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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: field is never read: `pieces` [INFO] [stdout] --> src/board.rs:3:2 [INFO] [stdout] | [INFO] [stdout] 3 | pieces: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/board.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [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] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/robot.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | stdin().read_line(&mut s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "aee4ae19d49572e53d6b08e88a54c19c9fc6831e0fe36ff66ff9e968d9c54f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aee4ae19d49572e53d6b08e88a54c19c9fc6831e0fe36ff66ff9e968d9c54f94", kill_on_drop: false }` [INFO] [stdout] aee4ae19d49572e53d6b08e88a54c19c9fc6831e0fe36ff66ff9e968d9c54f94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2cae1873406870e1cd6016c51da2d60daf1683de6d846ce82ab07bb9c446c332 [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" "2cae1873406870e1cd6016c51da2d60daf1683de6d846ce82ab07bb9c446c332", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::thread::JoinHandle` [INFO] [stderr] --> src/robot.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::thread::JoinHandle; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `winner` is never read [INFO] [stderr] --> src/main.rs:22:10 [INFO] [stderr] | [INFO] [stderr] 22 | let mut winner=' '; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `h` [INFO] [stderr] --> src/robot.rs:75:11 [INFO] [stderr] | [INFO] [stderr] 75 | Some(h) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s` is never read [INFO] [stderr] --> src/human.rs:27:11 [INFO] [stderr] | [INFO] [stderr] 27 | let mut s=String::new(); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `col` is never read [INFO] [stderr] --> src/human.rs:28:11 [INFO] [stderr] | [INFO] [stderr] 28 | let mut col:i32=0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pieces` [INFO] [stderr] --> src/board.rs:3:2 [INFO] [stderr] | [INFO] [stderr] 3 | pieces: u32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/board.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_full` [INFO] [stderr] --> src/board.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn is_full(&self) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/robot.rs:103:4 [INFO] [stderr] | [INFO] [stderr] 103 | stdin().read_line(&mut s); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `connect4` (bin "connect4" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/connect4-a42b24e089e8fd5d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2cae1873406870e1cd6016c51da2d60daf1683de6d846ce82ab07bb9c446c332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cae1873406870e1cd6016c51da2d60daf1683de6d846ce82ab07bb9c446c332", kill_on_drop: false }` [INFO] [stdout] 2cae1873406870e1cd6016c51da2d60daf1683de6d846ce82ab07bb9c446c332