[INFO] cloning repository https://github.com/Hand-In-Glove/FizzBuzz_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hand-In-Glove/FizzBuzz_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHand-In-Glove%2FFizzBuzz_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHand-In-Glove%2FFizzBuzz_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0425c607834488753bfe9c0775cf09733fb96e06
[INFO] testing Hand-In-Glove/FizzBuzz_Rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHand-In-Glove%2FFizzBuzz_Rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hand-In-Glove/FizzBuzz_Rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hand-In-Glove/FizzBuzz_Rust
[INFO] finished tweaking git repo https://github.com/Hand-In-Glove/FizzBuzz_Rust
[INFO] tweaked toml for git repo https://github.com/Hand-In-Glove/FizzBuzz_Rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Hand-In-Glove/FizzBuzz_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dc805cc224da9e24ab78710d53aa460070ddc1b76013ae7a52f9b6207a6c339
[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" "6dc805cc224da9e24ab78710d53aa460070ddc1b76013ae7a52f9b6207a6c339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dc805cc224da9e24ab78710d53aa460070ddc1b76013ae7a52f9b6207a6c339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc805cc224da9e24ab78710d53aa460070ddc1b76013ae7a52f9b6207a6c339", kill_on_drop: false }`
[INFO] [stdout] 6dc805cc224da9e24ab78710d53aa460070ddc1b76013ae7a52f9b6207a6c339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 54d73fbf125cc8e64c48fa5ab04841f2fde18706c0f65b91b2e2f80114c705b7
[INFO] running `Command { std: "docker" "start" "-a" "54d73fbf125cc8e64c48fa5ab04841f2fde18706c0f65b91b2e2f80114c705b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fizz_buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "54d73fbf125cc8e64c48fa5ab04841f2fde18706c0f65b91b2e2f80114c705b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d73fbf125cc8e64c48fa5ab04841f2fde18706c0f65b91b2e2f80114c705b7", kill_on_drop: false }`
[INFO] [stdout] 54d73fbf125cc8e64c48fa5ab04841f2fde18706c0f65b91b2e2f80114c705b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac14853378395c7eb2f0b4efeaaf8a61e26fbf53fcd560a177db6d5aaa7d4a09
[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" "ac14853378395c7eb2f0b4efeaaf8a61e26fbf53fcd560a177db6d5aaa7d4a09", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz_buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ac14853378395c7eb2f0b4efeaaf8a61e26fbf53fcd560a177db6d5aaa7d4a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac14853378395c7eb2f0b4efeaaf8a61e26fbf53fcd560a177db6d5aaa7d4a09", kill_on_drop: false }`
[INFO] [stdout] ac14853378395c7eb2f0b4efeaaf8a61e26fbf53fcd560a177db6d5aaa7d4a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 689544481d293d979d2cfd2af6043ca987ebce1dad46e26ec7c09d64e9f9e32b
[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" "689544481d293d979d2cfd2af6043ca987ebce1dad46e26ec7c09d64e9f9e32b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizz_buzz-5529f3b651776ed0
[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" "689544481d293d979d2cfd2af6043ca987ebce1dad46e26ec7c09d64e9f9e32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689544481d293d979d2cfd2af6043ca987ebce1dad46e26ec7c09d64e9f9e32b", kill_on_drop: false }`
[INFO] [stdout] 689544481d293d979d2cfd2af6043ca987ebce1dad46e26ec7c09d64e9f9e32b