[INFO] cloning repository https://github.com/gyzerok/hackerrank-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gyzerok/hackerrank-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyzerok%2Fhackerrank-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyzerok%2Fhackerrank-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb6c11ece9525eb081d151b8e98ba6e81668b79b
[INFO] testing gyzerok/hackerrank-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyzerok%2Fhackerrank-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gyzerok/hackerrank-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gyzerok/hackerrank-rust
[INFO] finished tweaking git repo https://github.com/gyzerok/hackerrank-rust
[INFO] tweaked toml for git repo https://github.com/gyzerok/hackerrank-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/gyzerok/hackerrank-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43de83ae99e3d772090f2febc924a9583096c3d671898422b46e179d75e14648
[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" "43de83ae99e3d772090f2febc924a9583096c3d671898422b46e179d75e14648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43de83ae99e3d772090f2febc924a9583096c3d671898422b46e179d75e14648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43de83ae99e3d772090f2febc924a9583096c3d671898422b46e179d75e14648", kill_on_drop: false }`
[INFO] [stdout] 43de83ae99e3d772090f2febc924a9583096c3d671898422b46e179d75e14648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 134d2312f5c282672d3ee7da4d8ca574bb2a4ca6e121922be0b6c41c4d145f1f
[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" "134d2312f5c282672d3ee7da4d8ca574bb2a4ca6e121922be0b6c41c4d145f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling hackerrank v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.25s
[INFO] running `Command { std: "docker" "inspect" "134d2312f5c282672d3ee7da4d8ca574bb2a4ca6e121922be0b6c41c4d145f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "134d2312f5c282672d3ee7da4d8ca574bb2a4ca6e121922be0b6c41c4d145f1f", kill_on_drop: false }`
[INFO] [stdout] 134d2312f5c282672d3ee7da4d8ca574bb2a4ca6e121922be0b6c41c4d145f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ac892fa98abf17a72c5b603fe8ea1d8e10c27861ef994665bbec4ec67cb54a
[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" "53ac892fa98abf17a72c5b603fe8ea1d8e10c27861ef994665bbec4ec67cb54a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hackerrank v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "53ac892fa98abf17a72c5b603fe8ea1d8e10c27861ef994665bbec4ec67cb54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ac892fa98abf17a72c5b603fe8ea1d8e10c27861ef994665bbec4ec67cb54a", kill_on_drop: false }`
[INFO] [stdout] 53ac892fa98abf17a72c5b603fe8ea1d8e10c27861ef994665bbec4ec67cb54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 7f9c58212d834898b2f5084a44d7628d0751c6182ed47684cf482ab4a56aa368
[INFO] running `Command { std: "docker" "start" "-a" "7f9c58212d834898b2f5084a44d7628d0751c6182ed47684cf482ab4a56aa368", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hackerrank-0de2a03e155027fc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test challenges::extra_long_factorial::tests::it_works ... ok
[INFO] [stdout] test challenges::sequence_equation::tests::it_works ... ok
[INFO] [stdout] test challenges::find_digits::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f9c58212d834898b2f5084a44d7628d0751c6182ed47684cf482ab4a56aa368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9c58212d834898b2f5084a44d7628d0751c6182ed47684cf482ab4a56aa368", kill_on_drop: false }`
[INFO] [stdout] 7f9c58212d834898b2f5084a44d7628d0751c6182ed47684cf482ab4a56aa368