[INFO] cloning repository https://github.com/danwsc09/leetrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danwsc09/leetrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanwsc09%2Fleetrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanwsc09%2Fleetrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5653ca44db357684fadd257c8d4df55bb01158c
[INFO] testing danwsc09/leetrust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanwsc09%2Fleetrust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danwsc09/leetrust 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/danwsc09/leetrust
[INFO] finished tweaking git repo https://github.com/danwsc09/leetrust
[INFO] tweaked toml for git repo https://github.com/danwsc09/leetrust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/danwsc09/leetrust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1fbde76ac7555cfb9b5da63fb69720ce664bf823418e9061f142eeac46912077
[INFO] running `Command { std: "docker" "start" "-a" "1fbde76ac7555cfb9b5da63fb69720ce664bf823418e9061f142eeac46912077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fbde76ac7555cfb9b5da63fb69720ce664bf823418e9061f142eeac46912077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbde76ac7555cfb9b5da63fb69720ce664bf823418e9061f142eeac46912077", kill_on_drop: false }`
[INFO] [stdout] 1fbde76ac7555cfb9b5da63fb69720ce664bf823418e9061f142eeac46912077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f9ede755a54aa0b334b6936c978608ddb0e6fff4dd9bd8d192b23f7b86761afb
[INFO] running `Command { std: "docker" "start" "-a" "f9ede755a54aa0b334b6936c978608ddb0e6fff4dd9bd8d192b23f7b86761afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/l1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/l7.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |            -------            ^^^ expected `i32`, found `()`
[INFO] [stdout]   |            |
[INFO] [stdout]   |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning 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 `leetrust` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f9ede755a54aa0b334b6936c978608ddb0e6fff4dd9bd8d192b23f7b86761afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ede755a54aa0b334b6936c978608ddb0e6fff4dd9bd8d192b23f7b86761afb", kill_on_drop: false }`
[INFO] [stdout] f9ede755a54aa0b334b6936c978608ddb0e6fff4dd9bd8d192b23f7b86761afb