[INFO] fetching crate rust_black_tree 0.1.5... [INFO] testing rust_black_tree-0.1.5 against 1.52.1 for beta-1.52-2 [INFO] extracting crate rust_black_tree 0.1.5 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate rust_black_tree 0.1.5 on toolchain 1.52.1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_black_tree 0.1.5 [INFO] finished tweaking crates.io crate rust_black_tree 0.1.5 [INFO] tweaked toml for crates.io crate rust_black_tree 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate rust_black_tree 0.1.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 43b50461f027457103d8002116d6421d5945d0be0212aed554c78565cbe50e7e [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" "43b50461f027457103d8002116d6421d5945d0be0212aed554c78565cbe50e7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43b50461f027457103d8002116d6421d5945d0be0212aed554c78565cbe50e7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43b50461f027457103d8002116d6421d5945d0be0212aed554c78565cbe50e7e", kill_on_drop: false }` [INFO] [stdout] 43b50461f027457103d8002116d6421d5945d0be0212aed554c78565cbe50e7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07b42832918f6eccf436fbb2ca7aefa428af5f446e3c68c0547750b0803d2c20 [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" "07b42832918f6eccf436fbb2ca7aefa428af5f446e3c68c0547750b0803d2c20", kill_on_drop: false }` [INFO] [stderr] Compiling utf8parse v0.1.1 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling isatty v0.1.9 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling rustyline v6.0.0 [INFO] [stderr] Compiling rust_black_tree v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.76s [INFO] running `Command { std: "docker" "inspect" "07b42832918f6eccf436fbb2ca7aefa428af5f446e3c68c0547750b0803d2c20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07b42832918f6eccf436fbb2ca7aefa428af5f446e3c68c0547750b0803d2c20", kill_on_drop: false }` [INFO] [stdout] 07b42832918f6eccf436fbb2ca7aefa428af5f446e3c68c0547750b0803d2c20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 6303c876f0b5027b540746590f7eb095da52efc4971348875924ce73f30901ae [INFO] running `Command { std: "docker" "start" "-a" "6303c876f0b5027b540746590f7eb095da52efc4971348875924ce73f30901ae", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling regex-syntax v0.6.15 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling bstr v0.2.11 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling rust_black_tree v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "6303c876f0b5027b540746590f7eb095da52efc4971348875924ce73f30901ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6303c876f0b5027b540746590f7eb095da52efc4971348875924ce73f30901ae", kill_on_drop: false }` [INFO] [stdout] 6303c876f0b5027b540746590f7eb095da52efc4971348875924ce73f30901ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] f583f3ca8f7ef1e6baf9b32d8842f28439375eae7df6502794999b4377424fe6 [INFO] running `Command { std: "docker" "start" "-a" "f583f3ca8f7ef1e6baf9b32d8842f28439375eae7df6502794999b4377424fe6", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_black_trees-282cbec00913b5da) [INFO] [stdout] running 33 tests [INFO] [stdout] test avltree::tests::balance_factor_helpers ... ok [INFO] [stdout] test avltree::tests::insert_one ... ok [INFO] [stdout] test avltree::tests::insert_few ... ok [INFO] [stdout] test avltree::tests::new ... ok [INFO] [stdout] test node::tests::get_child_test ... ok [INFO] [stdout] test node::tests::get_size ... ok [INFO] [stdout] test node::tests::get_height ... ok [INFO] [stdout] test node::tests::get_uncle_test ... ok [INFO] [stdout] test node::tests::get_sibling_test ... ok [INFO] [stdout] test node::tests::print_tree_test ... ok [INFO] [stdout] test rbtree::tests::is_empty ... ok [INFO] [stdout] test rbtree::tests::test_contains ... ok [INFO] [stdout] test rbtree::tests::test_delete ... ok [INFO] [stdout] test node::tests::find_leaf_count ... ok [INFO] [stdout] test node::tests::find_min ... ok [INFO] [stdout] test rbtree::tests::test_delete_mem ... ok [INFO] [stdout] test unbalancetree::tests::test_height ... ok [INFO] [stdout] test rbtree::tests::test_insert_2 ... ok [INFO] [stdout] test avltree::tests::avl_del ... ok [INFO] [stdout] test unbalancetree::tests::test_delete ... ok [INFO] [stdout] test unbalancetree::tests::test_delete_mem ... ok [INFO] [stdout] test unbalancetree::tests::test_contains ... ok [INFO] [stdout] test unbalancetree::tests::test_tree_print ... ok [INFO] [stdout] test rbtree::tests::find_leaf_count ... ok [INFO] [stdout] test unbalancetree::tests::test_insert ... ok [INFO] [stdout] test rbtree::tests::test_insert ... ok [INFO] [stdout] test rbtree::tests::test_height ... ok [INFO] [stdout] test rbtree::tests::test_tree_print ... ok [INFO] [stdout] test prettynodeprinter::tests::test_4 ... ok [INFO] [stdout] test prettynodeprinter::tests::test_avl ... ok [INFO] [stdout] test prettynodeprinter::tests::test_easy ... ok [INFO] [stdout] test prettynodeprinter::tests::test_2 ... ok [INFO] [stdout] test prettynodeprinter::tests::test_3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/demo-f5a2b3046044d5aa) [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] [stderr] Doc-tests rust_black_trees [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" "f583f3ca8f7ef1e6baf9b32d8842f28439375eae7df6502794999b4377424fe6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f583f3ca8f7ef1e6baf9b32d8842f28439375eae7df6502794999b4377424fe6", kill_on_drop: false }` [INFO] [stdout] f583f3ca8f7ef1e6baf9b32d8842f28439375eae7df6502794999b4377424fe6