[INFO] fetching crate woodland 0.0.4...
[INFO] testing woodland-0.0.4 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate woodland 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate woodland 0.0.4 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate woodland 0.0.4
[INFO] finished tweaking crates.io crate woodland 0.0.4
[INFO] tweaked toml for crates.io crate woodland 0.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47749534d7a70db2ff81c2ff94d4e5b06af6b2c24a3dd9c8af92b125432d37d7
[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" "47749534d7a70db2ff81c2ff94d4e5b06af6b2c24a3dd9c8af92b125432d37d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47749534d7a70db2ff81c2ff94d4e5b06af6b2c24a3dd9c8af92b125432d37d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47749534d7a70db2ff81c2ff94d4e5b06af6b2c24a3dd9c8af92b125432d37d7", kill_on_drop: false }`
[INFO] [stdout] 47749534d7a70db2ff81c2ff94d4e5b06af6b2c24a3dd9c8af92b125432d37d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b8f2f952e7e966dd9723c23ae7b888d2f739138a13409ada051b94e5eb0d81
[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" "c4b8f2f952e7e966dd9723c23ae7b888d2f739138a13409ada051b94e5eb0d81", kill_on_drop: false }`
[INFO] [stderr]    Compiling woodland v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c4b8f2f952e7e966dd9723c23ae7b888d2f739138a13409ada051b94e5eb0d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b8f2f952e7e966dd9723c23ae7b888d2f739138a13409ada051b94e5eb0d81", kill_on_drop: false }`
[INFO] [stdout] c4b8f2f952e7e966dd9723c23ae7b888d2f739138a13409ada051b94e5eb0d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d97a50178252828fb55438416439cdccb0f6b9f5e953fabb22bf99a7aa8a8e2
[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" "3d97a50178252828fb55438416439cdccb0f6b9f5e953fabb22bf99a7aa8a8e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling woodland v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "3d97a50178252828fb55438416439cdccb0f6b9f5e953fabb22bf99a7aa8a8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d97a50178252828fb55438416439cdccb0f6b9f5e953fabb22bf99a7aa8a8e2", kill_on_drop: false }`
[INFO] [stdout] 3d97a50178252828fb55438416439cdccb0f6b9f5e953fabb22bf99a7aa8a8e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 9710b3b0e0ea5809b9a6702016a60c7a5494f1d71fb8ecd2ca9258b4ec8159af
[INFO] running `Command { std: "docker" "start" "-a" "9710b3b0e0ea5809b9a6702016a60c7a5494f1d71fb8ecd2ca9258b4ec8159af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/woodland-fec7120b70ea5fc6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/binary_tree.rs (/opt/rustwide/target/debug/deps/binary_tree-4ca5868a5db3e588)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests woodland
[INFO] [stdout] test preorder_iterator_works ... ok
[INFO] [stdout] test postorder_iterator_works ... ok
[INFO] [stdout] test mutating_root_works ... ok
[INFO] [stdout] test inorder_iterator_works ... ok
[INFO] [stdout] test simple_tree ... ok
[INFO] [stdout] test tree_new_is_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/binary_tree.rs - binary_tree::BinaryTree (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9710b3b0e0ea5809b9a6702016a60c7a5494f1d71fb8ecd2ca9258b4ec8159af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9710b3b0e0ea5809b9a6702016a60c7a5494f1d71fb8ecd2ca9258b4ec8159af", kill_on_drop: false }`
[INFO] [stdout] 9710b3b0e0ea5809b9a6702016a60c7a5494f1d71fb8ecd2ca9258b4ec8159af