[INFO] cloning repository https://github.com/Fancyflame/mcmu-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fancyflame/mcmu-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFancyflame%2Fmcmu-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFancyflame%2Fmcmu-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f4a10c98c4b5067f35acaf4160b81be211cb93
[INFO] testing Fancyflame/mcmu-rs 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%2FFancyflame%2Fmcmu-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fancyflame/mcmu-rs 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/Fancyflame/mcmu-rs
[INFO] finished tweaking git repo https://github.com/Fancyflame/mcmu-rs
[INFO] tweaked toml for git repo https://github.com/Fancyflame/mcmu-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Fancyflame/mcmu-rs 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1cd166d83394305ec0856288cfd1b07e7e74dde6d2a1439cdd65659e20038e94
[INFO] running `Command { std: "docker" "start" "-a" "1cd166d83394305ec0856288cfd1b07e7e74dde6d2a1439cdd65659e20038e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd166d83394305ec0856288cfd1b07e7e74dde6d2a1439cdd65659e20038e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd166d83394305ec0856288cfd1b07e7e74dde6d2a1439cdd65659e20038e94", kill_on_drop: false }`
[INFO] [stdout] 1cd166d83394305ec0856288cfd1b07e7e74dde6d2a1439cdd65659e20038e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 2bbce712447592316f0995838565b4a82ddeadf3fcab69ea45542b927b9ef955
[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" "2bbce712447592316f0995838565b4a82ddeadf3fcab69ea45542b927b9ef955", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling mcmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within
[INFO] [stdout]    --> src/public.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |       #[must_use]
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 257 | /     pub async fn recv_from(&self, buf: &mut [u8]) -> IResult<(usize, SocketAddr)> {
[INFO] [stdout] 258 | |         if !self.is_alive() {
[INFO] [stdout] 259 | |             return Err(anyhow::anyhow!("The bridge has broken"));
[INFO] [stdout] 260 | |         }
[INFO] [stdout] ...   |
[INFO] [stdout] 306 | |         }
[INFO] [stdout] 307 | |     }
[INFO] [stdout]     | |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "2bbce712447592316f0995838565b4a82ddeadf3fcab69ea45542b927b9ef955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbce712447592316f0995838565b4a82ddeadf3fcab69ea45542b927b9ef955", kill_on_drop: false }`
[INFO] [stdout] 2bbce712447592316f0995838565b4a82ddeadf3fcab69ea45542b927b9ef955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 40dab1bf9e238aedba04766c129a0a27163bcdb55d616b87dab26feb93654ec4
[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" "40dab1bf9e238aedba04766c129a0a27163bcdb55d616b87dab26feb93654ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcmu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within
[INFO] [stdout]    --> src/public.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |       #[must_use]
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 257 | /     pub async fn recv_from(&self, buf: &mut [u8]) -> IResult<(usize, SocketAddr)> {
[INFO] [stdout] 258 | |         if !self.is_alive() {
[INFO] [stdout] 259 | |             return Err(anyhow::anyhow!("The bridge has broken"));
[INFO] [stdout] 260 | |         }
[INFO] [stdout] ...   |
[INFO] [stdout] 306 | |         }
[INFO] [stdout] 307 | |     }
[INFO] [stdout]     | |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mcmu-070266daa8935bc2)
[INFO] running `Command { std: "docker" "inspect" "40dab1bf9e238aedba04766c129a0a27163bcdb55d616b87dab26feb93654ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dab1bf9e238aedba04766c129a0a27163bcdb55d616b87dab26feb93654ec4", kill_on_drop: false }`
[INFO] [stdout] 40dab1bf9e238aedba04766c129a0a27163bcdb55d616b87dab26feb93654ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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", 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] de2c7060f2fceab49483c166b9410590dba9f4e38a41b0781a29fd36cd884a44
[INFO] running `Command { std: "docker" "start" "-a" "de2c7060f2fceab49483c166b9410590dba9f4e38a41b0781a29fd36cd884a44", kill_on_drop: false }`
[INFO] [stderr] warning: `must_use` attribute on `async` functions applies to the anonymous `Future` returned by the function, not the value within
[INFO] [stderr]    --> src/public.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |       #[must_use]
[INFO] [stderr]     |       ^^^^^^^^^^^
[INFO] [stderr] 257 | /     pub async fn recv_from(&self, buf: &mut [u8]) -> IResult<(usize, SocketAddr)> {
[INFO] [stderr] 258 | |         if !self.is_alive() {
[INFO] [stderr] 259 | |             return Err(anyhow::anyhow!("The bridge has broken"));
[INFO] [stderr] 260 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 306 | |         }
[INFO] [stderr] 307 | |     }
[INFO] [stderr]     | |_____- this attribute does nothing, the `Future`s returned by async functions are already `must_use`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcmu` (bin "mcmu" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mcmu-070266daa8935bc2)
[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" "de2c7060f2fceab49483c166b9410590dba9f4e38a41b0781a29fd36cd884a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2c7060f2fceab49483c166b9410590dba9f4e38a41b0781a29fd36cd884a44", kill_on_drop: false }`
[INFO] [stdout] de2c7060f2fceab49483c166b9410590dba9f4e38a41b0781a29fd36cd884a44