[INFO] cloning repository https://github.com/rutaihwa/03_random-values
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rutaihwa/03_random-values" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F03_random-values", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F03_random-values'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc71cbe15aa160906609ed1b2b349d9dbcd38c97
[INFO] testing rutaihwa/03_random-values against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F03_random-values" "/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/rutaihwa/03_random-values on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rutaihwa/03_random-values
[INFO] finished tweaking git repo https://github.com/rutaihwa/03_random-values
[INFO] tweaked toml for git repo https://github.com/rutaihwa/03_random-values written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rutaihwa/03_random-values already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded synstructure v0.12.1
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfe7544dfaeb5275ec3d20c5972a78fe832e89a7dda48e2852ff0c3e29d13654
[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" "bfe7544dfaeb5275ec3d20c5972a78fe832e89a7dda48e2852ff0c3e29d13654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe7544dfaeb5275ec3d20c5972a78fe832e89a7dda48e2852ff0c3e29d13654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe7544dfaeb5275ec3d20c5972a78fe832e89a7dda48e2852ff0c3e29d13654", kill_on_drop: false }`
[INFO] [stdout] bfe7544dfaeb5275ec3d20c5972a78fe832e89a7dda48e2852ff0c3e29d13654
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb1f2be80622d1e28a4f6c94a42ad016ccf76e012fd6b04d1779174dea2ae50e
[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" "fb1f2be80622d1e28a4f6c94a42ad016ccf76e012fd6b04d1779174dea2ae50e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling random_values v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.53s
[INFO] running `Command { std: "docker" "inspect" "fb1f2be80622d1e28a4f6c94a42ad016ccf76e012fd6b04d1779174dea2ae50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1f2be80622d1e28a4f6c94a42ad016ccf76e012fd6b04d1779174dea2ae50e", kill_on_drop: false }`
[INFO] [stdout] fb1f2be80622d1e28a4f6c94a42ad016ccf76e012fd6b04d1779174dea2ae50e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 0e0c41408901b54498ea505b75c956b2f26da4bbb814c6afd07d1c36d01e3c76
[INFO] running `Command { std: "docker" "start" "-a" "0e0c41408901b54498ea505b75c956b2f26da4bbb814c6afd07d1c36d01e3c76", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_values v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "0e0c41408901b54498ea505b75c956b2f26da4bbb814c6afd07d1c36d01e3c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0c41408901b54498ea505b75c956b2f26da4bbb814c6afd07d1c36d01e3c76", kill_on_drop: false }`
[INFO] [stdout] 0e0c41408901b54498ea505b75c956b2f26da4bbb814c6afd07d1c36d01e3c76
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] f2736469cba3c9af10618675f788cfce7016ade7d77f4d1bd09846dda0b014e1
[INFO] running `Command { std: "docker" "start" "-a" "f2736469cba3c9af10618675f788cfce7016ade7d77f4d1bd09846dda0b014e1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_values-aa5426518ebe2e5a)
[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" "f2736469cba3c9af10618675f788cfce7016ade7d77f4d1bd09846dda0b014e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2736469cba3c9af10618675f788cfce7016ade7d77f4d1bd09846dda0b014e1", kill_on_drop: false }`
[INFO] [stdout] f2736469cba3c9af10618675f788cfce7016ade7d77f4d1bd09846dda0b014e1