[INFO] cloning repository https://github.com/isalevine/rustbook-hello-cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isalevine/rustbook-hello-cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisalevine%2Frustbook-hello-cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisalevine%2Frustbook-hello-cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e179ddf34e3efb8ae172aec47e71f9c50168a19a
[INFO] testing isalevine/rustbook-hello-cargo 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%2Fisalevine%2Frustbook-hello-cargo" "/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/isalevine/rustbook-hello-cargo 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/isalevine/rustbook-hello-cargo
[INFO] finished tweaking git repo https://github.com/isalevine/rustbook-hello-cargo
[INFO] tweaked toml for git repo https://github.com/isalevine/rustbook-hello-cargo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/isalevine/rustbook-hello-cargo 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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a269146552cad93f75de15ea2abe8e8580c24297a6b234aec0fb199203ee3e5
[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" "3a269146552cad93f75de15ea2abe8e8580c24297a6b234aec0fb199203ee3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a269146552cad93f75de15ea2abe8e8580c24297a6b234aec0fb199203ee3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a269146552cad93f75de15ea2abe8e8580c24297a6b234aec0fb199203ee3e5", kill_on_drop: false }`
[INFO] [stdout] 3a269146552cad93f75de15ea2abe8e8580c24297a6b234aec0fb199203ee3e5
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68ae6c29c110dce0927d60394ca3cdf6af730796c5b27963f98498d1dfe6876c
[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" "68ae6c29c110dce0927d60394ca3cdf6af730796c5b27963f98498d1dfe6876c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "68ae6c29c110dce0927d60394ca3cdf6af730796c5b27963f98498d1dfe6876c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ae6c29c110dce0927d60394ca3cdf6af730796c5b27963f98498d1dfe6876c", kill_on_drop: false }`
[INFO] [stdout] 68ae6c29c110dce0927d60394ca3cdf6af730796c5b27963f98498d1dfe6876c
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e96b0169e5e0faf3bdab19ddde33ee57f5d597e7d5c717aad110ab03bc2cfb32
[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" "e96b0169e5e0faf3bdab19ddde33ee57f5d597e7d5c717aad110ab03bc2cfb32", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "e96b0169e5e0faf3bdab19ddde33ee57f5d597e7d5c717aad110ab03bc2cfb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96b0169e5e0faf3bdab19ddde33ee57f5d597e7d5c717aad110ab03bc2cfb32", kill_on_drop: false }`
[INFO] [stdout] e96b0169e5e0faf3bdab19ddde33ee57f5d597e7d5c717aad110ab03bc2cfb32
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef77dea401652a9d13aab77d6f18f59b7a554b40a89ba037391b2c52d12f22d4
[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" "ef77dea401652a9d13aab77d6f18f59b7a554b40a89ba037391b2c52d12f22d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_cargo-667129e52c724327
[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" "ef77dea401652a9d13aab77d6f18f59b7a554b40a89ba037391b2c52d12f22d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef77dea401652a9d13aab77d6f18f59b7a554b40a89ba037391b2c52d12f22d4", kill_on_drop: false }`
[INFO] [stdout] ef77dea401652a9d13aab77d6f18f59b7a554b40a89ba037391b2c52d12f22d4