[INFO] cloning repository https://github.com/spin6lock/rust_json_to_yaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spin6lock/rust_json_to_yaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspin6lock%2Frust_json_to_yaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspin6lock%2Frust_json_to_yaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 734974bd3da4e1f7223f3848398f4bc34ecd351f
[INFO] testing spin6lock/rust_json_to_yaml against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspin6lock%2Frust_json_to_yaml" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spin6lock/rust_json_to_yaml on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spin6lock/rust_json_to_yaml
[INFO] finished tweaking git repo https://github.com/spin6lock/rust_json_to_yaml
[INFO] tweaked toml for git repo https://github.com/spin6lock/rust_json_to_yaml written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/spin6lock/rust_json_to_yaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fe987d26e483a6dbcc61a17d299755cbb91b91a22c5d6e9ebb1deab31b401f2
[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" "3fe987d26e483a6dbcc61a17d299755cbb91b91a22c5d6e9ebb1deab31b401f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fe987d26e483a6dbcc61a17d299755cbb91b91a22c5d6e9ebb1deab31b401f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe987d26e483a6dbcc61a17d299755cbb91b91a22c5d6e9ebb1deab31b401f2", kill_on_drop: false }`
[INFO] [stdout] 3fe987d26e483a6dbcc61a17d299755cbb91b91a22c5d6e9ebb1deab31b401f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ba00beafb782c861d63729b644626291d27fe53e45dd4c3db05de3c557b343e
[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" "0ba00beafb782c861d63729b644626291d27fe53e45dd4c3db05de3c557b343e", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling rust_json_to_yaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.66s
[INFO] running `Command { std: "docker" "inspect" "0ba00beafb782c861d63729b644626291d27fe53e45dd4c3db05de3c557b343e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba00beafb782c861d63729b644626291d27fe53e45dd4c3db05de3c557b343e", kill_on_drop: false }`
[INFO] [stdout] 0ba00beafb782c861d63729b644626291d27fe53e45dd4c3db05de3c557b343e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "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] b12071b847d03ec04c921c8acd2daef8446caf3b50984ab4194ee48d96a258e8
[INFO] running `Command { std: "docker" "start" "-a" "b12071b847d03ec04c921c8acd2daef8446caf3b50984ab4194ee48d96a258e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_json_to_yaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "b12071b847d03ec04c921c8acd2daef8446caf3b50984ab4194ee48d96a258e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12071b847d03ec04c921c8acd2daef8446caf3b50984ab4194ee48d96a258e8", kill_on_drop: false }`
[INFO] [stdout] b12071b847d03ec04c921c8acd2daef8446caf3b50984ab4194ee48d96a258e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 227e5acb5be8bdc229666ed5a7cbe3638704133caa0085874ab6848563b9f66e
[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" "227e5acb5be8bdc229666ed5a7cbe3638704133caa0085874ab6848563b9f66e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_json_to_yaml-95717c8f1191fd8b
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "227e5acb5be8bdc229666ed5a7cbe3638704133caa0085874ab6848563b9f66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227e5acb5be8bdc229666ed5a7cbe3638704133caa0085874ab6848563b9f66e", kill_on_drop: false }`
[INFO] [stdout] 227e5acb5be8bdc229666ed5a7cbe3638704133caa0085874ab6848563b9f66e