[INFO] cloning repository https://github.com/aver803bath5/rust_homework_of_ch3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aver803bath5/rust_homework_of_ch3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faver803bath5%2Frust_homework_of_ch3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faver803bath5%2Frust_homework_of_ch3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcd757a3fa01d8509513b57dc22224baf9cfcd35
[INFO] testing aver803bath5/rust_homework_of_ch3 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%2Faver803bath5%2Frust_homework_of_ch3" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aver803bath5/rust_homework_of_ch3 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/aver803bath5/rust_homework_of_ch3
[INFO] finished tweaking git repo https://github.com/aver803bath5/rust_homework_of_ch3
[INFO] tweaked toml for git repo https://github.com/aver803bath5/rust_homework_of_ch3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/aver803bath5/rust_homework_of_ch3 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 698eed4684936ad6f7ca9d740676e0fc2344b6ea1243a8c4f6f99afd2b4d8b8e
[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" "698eed4684936ad6f7ca9d740676e0fc2344b6ea1243a8c4f6f99afd2b4d8b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "698eed4684936ad6f7ca9d740676e0fc2344b6ea1243a8c4f6f99afd2b4d8b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698eed4684936ad6f7ca9d740676e0fc2344b6ea1243a8c4f6f99afd2b4d8b8e", kill_on_drop: false }`
[INFO] [stdout] 698eed4684936ad6f7ca9d740676e0fc2344b6ea1243a8c4f6f99afd2b4d8b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68d399f4ab31cc890fa46a93091bfc5700d59d33d63db881dc1b9d95566655cd
[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" "68d399f4ab31cc890fa46a93091bfc5700d59d33d63db881dc1b9d95566655cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling homework_of_ch3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "68d399f4ab31cc890fa46a93091bfc5700d59d33d63db881dc1b9d95566655cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d399f4ab31cc890fa46a93091bfc5700d59d33d63db881dc1b9d95566655cd", kill_on_drop: false }`
[INFO] [stdout] 68d399f4ab31cc890fa46a93091bfc5700d59d33d63db881dc1b9d95566655cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0deaa3d5daa0c3d5fa9d38ca1c07700ff831295d04fda70dd95ac084da4ecc4d
[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" "0deaa3d5daa0c3d5fa9d38ca1c07700ff831295d04fda70dd95ac084da4ecc4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling homework_of_ch3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "0deaa3d5daa0c3d5fa9d38ca1c07700ff831295d04fda70dd95ac084da4ecc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deaa3d5daa0c3d5fa9d38ca1c07700ff831295d04fda70dd95ac084da4ecc4d", kill_on_drop: false }`
[INFO] [stdout] 0deaa3d5daa0c3d5fa9d38ca1c07700ff831295d04fda70dd95ac084da4ecc4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5dab145a2fb4791d3b0c0b13d08a05c1c893747a9632b8e1b4418525cb8f69e
[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" "b5dab145a2fb4791d3b0c0b13d08a05c1c893747a9632b8e1b4418525cb8f69e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/homework_of_ch3-f311522b0824dfc2
[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" "b5dab145a2fb4791d3b0c0b13d08a05c1c893747a9632b8e1b4418525cb8f69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dab145a2fb4791d3b0c0b13d08a05c1c893747a9632b8e1b4418525cb8f69e", kill_on_drop: false }`
[INFO] [stdout] b5dab145a2fb4791d3b0c0b13d08a05c1c893747a9632b8e1b4418525cb8f69e