[INFO] cloning repository https://github.com/princemaple/hackerrank-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/princemaple/hackerrank-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincemaple%2Fhackerrank-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincemaple%2Fhackerrank-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcc796d83d56163f786e6633060c4183cfe912c3
[INFO] testing princemaple/hackerrank-in-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprincemaple%2Fhackerrank-in-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/princemaple/hackerrank-in-rust 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/princemaple/hackerrank-in-rust
[INFO] finished tweaking git repo https://github.com/princemaple/hackerrank-in-rust
[INFO] tweaked toml for git repo https://github.com/princemaple/hackerrank-in-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/princemaple/hackerrank-in-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c362ec7cfbfd3f3e83655c83aa0f11423e8fb3bdbb88b76818eceb908b9d186d
[INFO] running `Command { std: "docker" "start" "-a" "c362ec7cfbfd3f3e83655c83aa0f11423e8fb3bdbb88b76818eceb908b9d186d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c362ec7cfbfd3f3e83655c83aa0f11423e8fb3bdbb88b76818eceb908b9d186d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c362ec7cfbfd3f3e83655c83aa0f11423e8fb3bdbb88b76818eceb908b9d186d", kill_on_drop: false }`
[INFO] [stdout] c362ec7cfbfd3f3e83655c83aa0f11423e8fb3bdbb88b76818eceb908b9d186d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 75dd469aee9a49650ad2679b2899f45c2d8391068200cb92617477448e14a8ec
[INFO] running `Command { std: "docker" "start" "-a" "75dd469aee9a49650ad2679b2899f45c2d8391068200cb92617477448e14a8ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling hack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "75dd469aee9a49650ad2679b2899f45c2d8391068200cb92617477448e14a8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75dd469aee9a49650ad2679b2899f45c2d8391068200cb92617477448e14a8ec", kill_on_drop: false }`
[INFO] [stdout] 75dd469aee9a49650ad2679b2899f45c2d8391068200cb92617477448e14a8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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] 4097145f98d0bb769b35c5816558f05a958582bbe750f7444a10bc5f2a32581f
[INFO] running `Command { std: "docker" "start" "-a" "4097145f98d0bb769b35c5816558f05a958582bbe750f7444a10bc5f2a32581f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "4097145f98d0bb769b35c5816558f05a958582bbe750f7444a10bc5f2a32581f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4097145f98d0bb769b35c5816558f05a958582bbe750f7444a10bc5f2a32581f", kill_on_drop: false }`
[INFO] [stdout] 4097145f98d0bb769b35c5816558f05a958582bbe750f7444a10bc5f2a32581f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf813550b8c6db402607cf1204f449c59ec909d87b4d32edebfbca253d20330b
[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" "cf813550b8c6db402607cf1204f449c59ec909d87b4d32edebfbca253d20330b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hack-f64192210656ada3)
[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" "cf813550b8c6db402607cf1204f449c59ec909d87b4d32edebfbca253d20330b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf813550b8c6db402607cf1204f449c59ec909d87b4d32edebfbca253d20330b", kill_on_drop: false }`
[INFO] [stdout] cf813550b8c6db402607cf1204f449c59ec909d87b4d32edebfbca253d20330b