[INFO] cloning repository https://github.com/a459787545/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a459787545/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa459787545%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa459787545%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ac3bedb7982590cac25772d616f3680a8fcefc4 [INFO] testing a459787545/rust-learn against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa459787545%2Frust-learn" "/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/a459787545/rust-learn on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/a459787545/rust-learn [INFO] finished tweaking git repo https://github.com/a459787545/rust-learn [INFO] tweaked toml for git repo https://github.com/a459787545/rust-learn written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/a459787545/rust-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 31eec0c2d40af3cd6102fc53b84fb28c0a5bad42c8ec2bb3ee2ac2e2c9659c58 [INFO] running `Command { std: "docker" "start" "-a" "31eec0c2d40af3cd6102fc53b84fb28c0a5bad42c8ec2bb3ee2ac2e2c9659c58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31eec0c2d40af3cd6102fc53b84fb28c0a5bad42c8ec2bb3ee2ac2e2c9659c58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31eec0c2d40af3cd6102fc53b84fb28c0a5bad42c8ec2bb3ee2ac2e2c9659c58", kill_on_drop: false }` [INFO] [stdout] 31eec0c2d40af3cd6102fc53b84fb28c0a5bad42c8ec2bb3ee2ac2e2c9659c58 [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" "+beta-2022-04-10" "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] 7b8226d276f43bafca98b5381d9fb0da37b74693dcee4feb9d1dfc7b7c7e2a86 [INFO] running `Command { std: "docker" "start" "-a" "7b8226d276f43bafca98b5381d9fb0da37b74693dcee4feb9d1dfc7b7c7e2a86", kill_on_drop: false }` [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::panic` [INFO] [stdout] --> src/lesson04/course04.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::panic; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lesson04::course04::Time` [INFO] [stdout] --> src/lesson03/simple_tcp_server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::lesson04::course04::Time; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `start_tcp_server` [INFO] [stdout] --> src/main.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn start_tcp_server() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `handle_client` [INFO] [stdout] --> src/lesson03/simple_tcp_server.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn handle_client(mut stream: TcpStream) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `start_server` [INFO] [stdout] --> src/lesson03/simple_tcp_server.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn start_server(){ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/lesson03/simple_tcp_server.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn run() -> std::io::Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "7b8226d276f43bafca98b5381d9fb0da37b74693dcee4feb9d1dfc7b7c7e2a86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b8226d276f43bafca98b5381d9fb0da37b74693dcee4feb9d1dfc7b7c7e2a86", kill_on_drop: false }` [INFO] [stdout] 7b8226d276f43bafca98b5381d9fb0da37b74693dcee4feb9d1dfc7b7c7e2a86 [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" "+beta-2022-04-10" "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] 520d8a041e2856d266aecc1f7d18cf95cfc730e54067ac3b705243dceb6c59f9 [INFO] running `Command { std: "docker" "start" "-a" "520d8a041e2856d266aecc1f7d18cf95cfc730e54067ac3b705243dceb6c59f9", kill_on_drop: false }` [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::panic` [INFO] [stdout] --> src/lesson04/course04.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::panic; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lesson04::course04::Time` [INFO] [stdout] --> src/lesson03/simple_tcp_server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::lesson04::course04::Time; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lesson04/course04.rs:94:36 [INFO] [stdout] | [INFO] [stdout] 94 | assert_eq!(12.0, calc_area(rec)); [INFO] [stdout] | ^^^ [INFO] [stdout] | | [INFO] [stdout] | expected reference, found struct `Rectangle` [INFO] [stdout] | help: consider borrowing here: `&rec` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&_` [INFO] [stdout] found struct `Rectangle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-learn` due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "520d8a041e2856d266aecc1f7d18cf95cfc730e54067ac3b705243dceb6c59f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "520d8a041e2856d266aecc1f7d18cf95cfc730e54067ac3b705243dceb6c59f9", kill_on_drop: false }` [INFO] [stdout] 520d8a041e2856d266aecc1f7d18cf95cfc730e54067ac3b705243dceb6c59f9