[INFO] cloning repository https://github.com/paomian/playrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paomian/playrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaomian%2Fplayrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaomian%2Fplayrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 481cb7349e2554a75213a8803a68f40b1fe0e2f3
[INFO] testing paomian/playrust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaomian%2Fplayrust" "/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/paomian/playrust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paomian/playrust
[INFO] finished tweaking git repo https://github.com/paomian/playrust
[INFO] tweaked toml for git repo https://github.com/paomian/playrust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/paomian/playrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e46dfa028528975c4db2d065fa6af57e0ab3097fe9b4ccbce4621ac7f932d9
[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" "59e46dfa028528975c4db2d065fa6af57e0ab3097fe9b4ccbce4621ac7f932d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e46dfa028528975c4db2d065fa6af57e0ab3097fe9b4ccbce4621ac7f932d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e46dfa028528975c4db2d065fa6af57e0ab3097fe9b4ccbce4621ac7f932d9", kill_on_drop: false }`
[INFO] [stdout] 59e46dfa028528975c4db2d065fa6af57e0ab3097fe9b4ccbce4621ac7f932d9
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d7f947e40bf28df5c044a32c240c0d981dce8f7858684765d63d30cc1daf2b
[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" "93d7f947e40bf28df5c044a32c240c0d981dce8f7858684765d63d30cc1daf2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut y = 6i;
[INFO] [stdout]   |                 ^^ invalid suffix `i`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut x = 100i;
[INFO] [stdout]   |                 ^^^^ invalid suffix `i`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `println`
[INFO] [stdout]   --> src/main.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 30 |     println!("Hello, world!")
[INFO] [stdout]    |                              - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 31 |     println!("{}",test())
[INFO] [stdout]    |     ^^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn change(z: &mut int) {
[INFO] [stdout]    |                   ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]   --> src/main.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn add_one(x: &int) -> int {
[INFO] [stdout]    |                ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `int` in this scope
[INFO] [stdout]   --> src/main.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn add_one(x: &int) -> int {
[INFO] [stdout]    |                        ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "93d7f947e40bf28df5c044a32c240c0d981dce8f7858684765d63d30cc1daf2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d7f947e40bf28df5c044a32c240c0d981dce8f7858684765d63d30cc1daf2b", kill_on_drop: false }`
[INFO] [stdout] 93d7f947e40bf28df5c044a32c240c0d981dce8f7858684765d63d30cc1daf2b