[INFO] cloning repository https://github.com/HsienYu/RustPrac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HsienYu/RustPrac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHsienYu%2FRustPrac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHsienYu%2FRustPrac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7478e27602247b6e617afc0db9445e223b68d2e0
[INFO] testing HsienYu/RustPrac 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%2FHsienYu%2FRustPrac" "/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/HsienYu/RustPrac 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/HsienYu/RustPrac
[INFO] finished tweaking git repo https://github.com/HsienYu/RustPrac
[INFO] tweaked toml for git repo https://github.com/HsienYu/RustPrac written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/HsienYu/RustPrac 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-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" "+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] 40fa2bc9f648f3c14ec49ebd0727a8c6da2dad8f752b71c457bc06180ee0decf
[INFO] running `Command { std: "docker" "start" "-a" "40fa2bc9f648f3c14ec49ebd0727a8c6da2dad8f752b71c457bc06180ee0decf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fa2bc9f648f3c14ec49ebd0727a8c6da2dad8f752b71c457bc06180ee0decf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fa2bc9f648f3c14ec49ebd0727a8c6da2dad8f752b71c457bc06180ee0decf", kill_on_drop: false }`
[INFO] [stdout] 40fa2bc9f648f3c14ec49ebd0727a8c6da2dad8f752b71c457bc06180ee0decf
[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" "+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] c21937f2ce920cfc7062db09e4cd9bd884ad36cc4286336147d563fe106b1782
[INFO] running `Command { std: "docker" "start" "-a" "c21937f2ce920cfc7062db09e4cd9bd884ad36cc4286336147d563fe106b1782", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustPrac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustPrac` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_prac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "c21937f2ce920cfc7062db09e4cd9bd884ad36cc4286336147d563fe106b1782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21937f2ce920cfc7062db09e4cd9bd884ad36cc4286336147d563fe106b1782", kill_on_drop: false }`
[INFO] [stdout] c21937f2ce920cfc7062db09e4cd9bd884ad36cc4286336147d563fe106b1782
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff7bd4970ea76bc92c8aa25c643df3c8337fcbcee8021d081d7f2fc35a81b651
[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" "ff7bd4970ea76bc92c8aa25c643df3c8337fcbcee8021d081d7f2fc35a81b651", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustPrac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustPrac` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_prac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/RustPrac-e4e596abb1adaf21)
[INFO] running `Command { std: "docker" "inspect" "ff7bd4970ea76bc92c8aa25c643df3c8337fcbcee8021d081d7f2fc35a81b651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7bd4970ea76bc92c8aa25c643df3c8337fcbcee8021d081d7f2fc35a81b651", kill_on_drop: false }`
[INFO] [stdout] ff7bd4970ea76bc92c8aa25c643df3c8337fcbcee8021d081d7f2fc35a81b651
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d7ff825be79131391c90cda8785322a1717f0efc9a0e25fb0543966e3af90bc
[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" "3d7ff825be79131391c90cda8785322a1717f0efc9a0e25fb0543966e3af90bc", kill_on_drop: false }`
[INFO] [stderr] warning: crate `RustPrac` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_prac`
[INFO] [stderr] 
[INFO] [stderr] warning: `RustPrac` (bin "RustPrac" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustPrac-e4e596abb1adaf21)
[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" "3d7ff825be79131391c90cda8785322a1717f0efc9a0e25fb0543966e3af90bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7ff825be79131391c90cda8785322a1717f0efc9a0e25fb0543966e3af90bc", kill_on_drop: false }`
[INFO] [stdout] 3d7ff825be79131391c90cda8785322a1717f0efc9a0e25fb0543966e3af90bc