[INFO] cloning 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" "clone" "--bare" "https://github.com/charypar/tree-thinning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharypar%2Ftree-thinning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharypar%2Ftree-thinning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dde19e03c98f9a2abf34d2e7320f3f9d1d13007
[INFO] testing charypar/tree-thinning against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharypar%2Ftree-thinning" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charypar/tree-thinning 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/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-7/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" "+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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "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] 63b538ffd04da060c184ea0cf17298d957466430a092710841517f8c147a0f5a
[INFO] running `Command { std: "docker" "start" "-a" "63b538ffd04da060c184ea0cf17298d957466430a092710841517f8c147a0f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b538ffd04da060c184ea0cf17298d957466430a092710841517f8c147a0f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b538ffd04da060c184ea0cf17298d957466430a092710841517f8c147a0f5a", kill_on_drop: false }`
[INFO] [stdout] 63b538ffd04da060c184ea0cf17298d957466430a092710841517f8c147a0f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--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] 2b3917b5ab774d6d7404baa73019c188904353ae3fc01f551573f4f5453a027c
[INFO] running `Command { std: "docker" "start" "-a" "2b3917b5ab774d6d7404baa73019c188904353ae3fc01f551573f4f5453a027c", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[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 6.90s
[INFO] running `Command { std: "docker" "inspect" "2b3917b5ab774d6d7404baa73019c188904353ae3fc01f551573f4f5453a027c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3917b5ab774d6d7404baa73019c188904353ae3fc01f551573f4f5453a027c", kill_on_drop: false }`
[INFO] [stdout] 2b3917b5ab774d6d7404baa73019c188904353ae3fc01f551573f4f5453a027c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 526dc91d827d02024486e30ef3ba8943bc6024ddf555bb80ba009f012cb564f6
[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" "526dc91d827d02024486e30ef3ba8943bc6024ddf555bb80ba009f012cb564f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling roman_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "526dc91d827d02024486e30ef3ba8943bc6024ddf555bb80ba009f012cb564f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526dc91d827d02024486e30ef3ba8943bc6024ddf555bb80ba009f012cb564f6", kill_on_drop: false }`
[INFO] [stdout] 526dc91d827d02024486e30ef3ba8943bc6024ddf555bb80ba009f012cb564f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d46abfb990431325d1b8ae31fd163e7f0682996a7f4787202618e5faf78cd42
[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" "5d46abfb990431325d1b8ae31fd163e7f0682996a7f4787202618e5faf78cd42", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roman_rust-0be09cfe0478ab80
[INFO] [stdout] test test::node_with_two_different_children ... ok
[INFO] [stdout] test test::complex_tree ... ok
[INFO] [stdout] test test::node_with_uniform_children ... ok
[INFO] [stdout] test test::node_with_uniform_children_and_granchildren ... ok
[INFO] [stdout] test test::single_node_with_single_child ... ok
[INFO] [stdout] test test::list ... 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" "5d46abfb990431325d1b8ae31fd163e7f0682996a7f4787202618e5faf78cd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d46abfb990431325d1b8ae31fd163e7f0682996a7f4787202618e5faf78cd42", kill_on_drop: false }`
[INFO] [stdout] 5d46abfb990431325d1b8ae31fd163e7f0682996a7f4787202618e5faf78cd42