[INFO] cloning repository https://github.com/jcksnparsons/12daysofchristmasRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcksnparsons/12daysofchristmasRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcksnparsons%2F12daysofchristmasRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcksnparsons%2F12daysofchristmasRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f9bc0fb7341c133e912f1b4e3c53091131b0b04
[INFO] testing jcksnparsons/12daysofchristmasRust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcksnparsons%2F12daysofchristmasRust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcksnparsons/12daysofchristmasRust 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/jcksnparsons/12daysofchristmasRust
[INFO] finished tweaking git repo https://github.com/jcksnparsons/12daysofchristmasRust
[INFO] tweaked toml for git repo https://github.com/jcksnparsons/12daysofchristmasRust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jcksnparsons/12daysofchristmasRust 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3adb463e1e4f60053ed937f32bb2d5e545f0b2022f8ac5c06715ab0d5b59066a
[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" "3adb463e1e4f60053ed937f32bb2d5e545f0b2022f8ac5c06715ab0d5b59066a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3adb463e1e4f60053ed937f32bb2d5e545f0b2022f8ac5c06715ab0d5b59066a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3adb463e1e4f60053ed937f32bb2d5e545f0b2022f8ac5c06715ab0d5b59066a", kill_on_drop: false }`
[INFO] [stdout] 3adb463e1e4f60053ed937f32bb2d5e545f0b2022f8ac5c06715ab0d5b59066a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0a44294f8ac60caab0b3d8eb127bc5cc75353362f99caba90d8589659469c67f
[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" "0a44294f8ac60caab0b3d8eb127bc5cc75353362f99caba90d8589659469c67f", kill_on_drop: false }`
[INFO] [stderr]    Compiling christmas_carol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "0a44294f8ac60caab0b3d8eb127bc5cc75353362f99caba90d8589659469c67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a44294f8ac60caab0b3d8eb127bc5cc75353362f99caba90d8589659469c67f", kill_on_drop: false }`
[INFO] [stdout] 0a44294f8ac60caab0b3d8eb127bc5cc75353362f99caba90d8589659469c67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 39a9743a933b7cf844119a54f15551444c3583a957ef519e07002769476e8534
[INFO] running `Command { std: "docker" "start" "-a" "39a9743a933b7cf844119a54f15551444c3583a957ef519e07002769476e8534", kill_on_drop: false }`
[INFO] [stderr]    Compiling christmas_carol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "39a9743a933b7cf844119a54f15551444c3583a957ef519e07002769476e8534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a9743a933b7cf844119a54f15551444c3583a957ef519e07002769476e8534", kill_on_drop: false }`
[INFO] [stdout] 39a9743a933b7cf844119a54f15551444c3583a957ef519e07002769476e8534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8bac95c8de5d030baa9c803565bc5d74843f32d3e72d16f0e9c0a7d402c2269a
[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" "8bac95c8de5d030baa9c803565bc5d74843f32d3e72d16f0e9c0a7d402c2269a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/christmas_carol-f3cc4940b36badef
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bac95c8de5d030baa9c803565bc5d74843f32d3e72d16f0e9c0a7d402c2269a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bac95c8de5d030baa9c803565bc5d74843f32d3e72d16f0e9c0a7d402c2269a", kill_on_drop: false }`
[INFO] [stdout] 8bac95c8de5d030baa9c803565bc5d74843f32d3e72d16f0e9c0a7d402c2269a