[INFO] updating cached repository https://github.com/charypar/tree-thinning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dde19e03c98f9a2abf34d2e7320f3f9d1d13007
[INFO] testing charypar/tree-thinning against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharypar%2Ftree-thinning" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charypar/tree-thinning on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charypar/tree-thinning
[INFO] finished tweaking git repo https://github.com/charypar/tree-thinning
[INFO] tweaked toml for git repo https://github.com/charypar/tree-thinning written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/charypar/tree-thinning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] f440a76d4b39ebd33f2b6d57b0837836b98d2d016b80c5f3c99c26b5826a1a75
[INFO] running `Command { std: "docker" "start" "-a" "f440a76d4b39ebd33f2b6d57b0837836b98d2d016b80c5f3c99c26b5826a1a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f440a76d4b39ebd33f2b6d57b0837836b98d2d016b80c5f3c99c26b5826a1a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f440a76d4b39ebd33f2b6d57b0837836b98d2d016b80c5f3c99c26b5826a1a75", kill_on_drop: false }`
[INFO] [stdout] f440a76d4b39ebd33f2b6d57b0837836b98d2d016b80c5f3c99c26b5826a1a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50a117997e5497258f281c7629f08ec40cb5fcab59e3243c00a9d45efa09e71d
[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" "50a117997e5497258f281c7629f08ec40cb5fcab59e3243c00a9d45efa09e71d", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling roman_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "50a117997e5497258f281c7629f08ec40cb5fcab59e3243c00a9d45efa09e71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a117997e5497258f281c7629f08ec40cb5fcab59e3243c00a9d45efa09e71d", kill_on_drop: false }`
[INFO] [stdout] 50a117997e5497258f281c7629f08ec40cb5fcab59e3243c00a9d45efa09e71d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815d32d3a1ec96ce8075a3da78400b8f341d0a4ddc4ce2fd9f9d3fa5ca5f55f3
[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" "815d32d3a1ec96ce8075a3da78400b8f341d0a4ddc4ce2fd9f9d3fa5ca5f55f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "815d32d3a1ec96ce8075a3da78400b8f341d0a4ddc4ce2fd9f9d3fa5ca5f55f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815d32d3a1ec96ce8075a3da78400b8f341d0a4ddc4ce2fd9f9d3fa5ca5f55f3", kill_on_drop: false }`
[INFO] [stdout] 815d32d3a1ec96ce8075a3da78400b8f341d0a4ddc4ce2fd9f9d3fa5ca5f55f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 032cf70791c3e2aac321dbbee1feff1e3276f84a83478fb23061906979b7bac5
[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" "032cf70791c3e2aac321dbbee1feff1e3276f84a83478fb23061906979b7bac5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roman_rust-f12a3ce9458936e7
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::complex_tree ... ok
[INFO] [stdout] test test::list ... ok
[INFO] [stdout] test test::node_with_two_different_children ... ok
[INFO] [stdout] test test::node_with_uniform_children ... ok
[INFO] [stdout] test test::single_node_with_single_child ... ok
[INFO] [stdout] test test::node_with_uniform_children_and_granchildren ... ok
[INFO] [stdout] test test::single_node ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "032cf70791c3e2aac321dbbee1feff1e3276f84a83478fb23061906979b7bac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032cf70791c3e2aac321dbbee1feff1e3276f84a83478fb23061906979b7bac5", kill_on_drop: false }`
[INFO] [stdout] 032cf70791c3e2aac321dbbee1feff1e3276f84a83478fb23061906979b7bac5