[INFO] cloning repository https://github.com/Niakr1s/rust_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niakr1s/rust_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiakr1s%2Frust_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiakr1s%2Frust_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1029eac6d3355b693eebd71ea8389f4ec7d953f3
[INFO] testing Niakr1s/rust_tree against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiakr1s%2Frust_tree" "/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/Niakr1s/rust_tree on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Niakr1s/rust_tree
[INFO] finished tweaking git repo https://github.com/Niakr1s/rust_tree
[INFO] tweaked toml for git repo https://github.com/Niakr1s/rust_tree written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Niakr1s/rust_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4895d9a4c786dad51e6ddd2d238ef8069418d6cab0d00635dec90441219f7f4
[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" "c4895d9a4c786dad51e6ddd2d238ef8069418d6cab0d00635dec90441219f7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4895d9a4c786dad51e6ddd2d238ef8069418d6cab0d00635dec90441219f7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4895d9a4c786dad51e6ddd2d238ef8069418d6cab0d00635dec90441219f7f4", kill_on_drop: false }`
[INFO] [stdout] c4895d9a4c786dad51e6ddd2d238ef8069418d6cab0d00635dec90441219f7f4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 937defd7b8b6c75e2cc7c5eb38e48d47f45b4db955bac2c0505ea1f895af5787
[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" "937defd7b8b6c75e2cc7c5eb38e48d47f45b4db955bac2c0505ea1f895af5787", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "937defd7b8b6c75e2cc7c5eb38e48d47f45b4db955bac2c0505ea1f895af5787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937defd7b8b6c75e2cc7c5eb38e48d47f45b4db955bac2c0505ea1f895af5787", kill_on_drop: false }`
[INFO] [stdout] 937defd7b8b6c75e2cc7c5eb38e48d47f45b4db955bac2c0505ea1f895af5787
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 9efa73dafd285d6e4d4ed7aa2c79ebff89fee1cffdcf10c3798391ba9275976d
[INFO] running `Command { std: "docker" "start" "-a" "9efa73dafd285d6e4d4ed7aa2c79ebff89fee1cffdcf10c3798391ba9275976d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "9efa73dafd285d6e4d4ed7aa2c79ebff89fee1cffdcf10c3798391ba9275976d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efa73dafd285d6e4d4ed7aa2c79ebff89fee1cffdcf10c3798391ba9275976d", kill_on_drop: false }`
[INFO] [stdout] 9efa73dafd285d6e4d4ed7aa2c79ebff89fee1cffdcf10c3798391ba9275976d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 4850a3d225c8035750b2bd6cf97ed084264036ab5a320f4a007f38bfca3ff54c
[INFO] running `Command { std: "docker" "start" "-a" "4850a3d225c8035750b2bd6cf97ed084264036ab5a320f4a007f38bfca3ff54c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tree-5154770a5672aefa)
[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" "4850a3d225c8035750b2bd6cf97ed084264036ab5a320f4a007f38bfca3ff54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4850a3d225c8035750b2bd6cf97ed084264036ab5a320f4a007f38bfca3ff54c", kill_on_drop: false }`
[INFO] [stdout] 4850a3d225c8035750b2bd6cf97ed084264036ab5a320f4a007f38bfca3ff54c