[INFO] fetching crate truetree 0.1.3...
[INFO] testing truetree-0.1.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate truetree 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate truetree 0.1.3 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 crates.io crate truetree 0.1.3
[INFO] finished tweaking crates.io crate truetree 0.1.3
[INFO] tweaked toml for crates.io crate truetree 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6a0e40c9487e6078327e9c41ed2c10cd18df5acea61b850cfa9d6267b40d48e
[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" "f6a0e40c9487e6078327e9c41ed2c10cd18df5acea61b850cfa9d6267b40d48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a0e40c9487e6078327e9c41ed2c10cd18df5acea61b850cfa9d6267b40d48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a0e40c9487e6078327e9c41ed2c10cd18df5acea61b850cfa9d6267b40d48e", kill_on_drop: false }`
[INFO] [stdout] f6a0e40c9487e6078327e9c41ed2c10cd18df5acea61b850cfa9d6267b40d48e
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e9a2fd84352ba7a066a67ba5f9f39b07742f97af40285c1b35d1f4d2bed00f8
[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" "2e9a2fd84352ba7a066a67ba5f9f39b07742f97af40285c1b35d1f4d2bed00f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling truetree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "2e9a2fd84352ba7a066a67ba5f9f39b07742f97af40285c1b35d1f4d2bed00f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9a2fd84352ba7a066a67ba5f9f39b07742f97af40285c1b35d1f4d2bed00f8", kill_on_drop: false }`
[INFO] [stdout] 2e9a2fd84352ba7a066a67ba5f9f39b07742f97af40285c1b35d1f4d2bed00f8
[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" "+beta-2021-01-01" "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] 98a496a5bc6d3c6f1033d4e069aae2a06bc95f755754587769d69799e2f58852
[INFO] running `Command { std: "docker" "start" "-a" "98a496a5bc6d3c6f1033d4e069aae2a06bc95f755754587769d69799e2f58852", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling truetree v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "98a496a5bc6d3c6f1033d4e069aae2a06bc95f755754587769d69799e2f58852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a496a5bc6d3c6f1033d4e069aae2a06bc95f755754587769d69799e2f58852", kill_on_drop: false }`
[INFO] [stdout] 98a496a5bc6d3c6f1033d4e069aae2a06bc95f755754587769d69799e2f58852
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30901ea77ddc2bc1beed5909207e3878cbb6d5bc32d729031e98e6d684ea4970
[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" "30901ea77ddc2bc1beed5909207e3878cbb6d5bc32d729031e98e6d684ea4970", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/truetree-75b543afe3fd27f6
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test test_node::test_get_remove ... ok
[INFO] [stdout] test test_node::test_insert ... ok
[INFO] [stdout] test test_node::test_create_node ... ok
[INFO] [stdout] test test_node::test_create ... ok
[INFO] [stdout] test test_node::test_get ... ok
[INFO] [stdout] test test_node::test_delete ... ok
[INFO] [stdout] test test_node::test_rebalance ... ok
[INFO] [stdout] test test_node::test_get_missing ... ok
[INFO] [stdout] test test_node::test_get_not_modifying ... ok
[INFO] [stdout] test test_node::test_create_tree ... ok
[INFO] [stdout] test test_node::test_dump ... ok
[INFO] [stdout] test test_node::test_min_max ... ok
[INFO] [stdout] test test_node::test_rotate_right ... ok
[INFO] [stdout] test test_node::test_sanity_check ... ok
[INFO] [stdout] test test_node::test_rotate_right_left ... ok
[INFO] [stdout] test test_node::test_remove_complex ... ok
[INFO] [stdout] test test_tree::test_create ... ok
[INFO] [stdout] test test_tree::test_delete_heap ... ok
[INFO] [stdout] test test_tree::test_delete_complex ... ok
[INFO] [stdout] test test_node::test_rebalance_twice ... ok
[INFO] [stdout] test test_tree::test_get_set ... ok
[INFO] [stdout] test test_node::test_side ... ok
[INFO] [stdout] test test_node::test_rotate_left_right ... ok
[INFO] [stdout] test test_node::test_remove_min ... ok
[INFO] [stdout] test test_tree::test_insert ... ok
[INFO] [stdout] test test_tree::test_balancing ... ok
[INFO] [stdout] test test_tree::test_contains ... ok
[INFO] [stdout] test test_node::test_rotate_left ... ok
[INFO] [stdout] test test_tree::test_insert_complex ... ok
[INFO] [stdout] test test_node::test_remove ... ok
[INFO] [stdout] test test_node::test_width_depth_count ... ok
[INFO] [stdout] test test_tree::test_insert_heap_var ... ok
[INFO] [stdout] test test_tree::test_height ... ok
[INFO] [stdout] test test_tree::test_remove ... ok
[INFO] [stdout] test test_tree::test_insert_thrice ... ok
[INFO] [stdout] test test_tree::test_insert_twice ... ok
[INFO] [stdout] test test_tree::test_remove_duplicates ... ok
[INFO] [stdout] test test_tree::test_min_max ... ok
[INFO] [stdout] test test_tree::test_width_count_depth ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_avl-b62ef5f23c7fb441
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_avl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests truetree
[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" "30901ea77ddc2bc1beed5909207e3878cbb6d5bc32d729031e98e6d684ea4970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30901ea77ddc2bc1beed5909207e3878cbb6d5bc32d729031e98e6d684ea4970", kill_on_drop: false }`
[INFO] [stdout] 30901ea77ddc2bc1beed5909207e3878cbb6d5bc32d729031e98e6d684ea4970