[INFO] fetching crate reingold-tilford 1.0.0...
[INFO] testing reingold-tilford-1.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate reingold-tilford 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate reingold-tilford 1.0.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reingold-tilford 1.0.0
[INFO] finished tweaking crates.io crate reingold-tilford 1.0.0
[INFO] tweaked toml for crates.io crate reingold-tilford 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58690ed19985668e3d44aa15f3e3c8e8e342436c66604e79ac7cbc102fa3f258
[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" "58690ed19985668e3d44aa15f3e3c8e8e342436c66604e79ac7cbc102fa3f258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58690ed19985668e3d44aa15f3e3c8e8e342436c66604e79ac7cbc102fa3f258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58690ed19985668e3d44aa15f3e3c8e8e342436c66604e79ac7cbc102fa3f258", kill_on_drop: false }`
[INFO] [stdout] 58690ed19985668e3d44aa15f3e3c8e8e342436c66604e79ac7cbc102fa3f258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2e46aac53a9c621f5aef42e90f565d9c10a2af94570ecb9c1257bc09d60d1f
[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" "6c2e46aac53a9c621f5aef42e90f565d9c10a2af94570ecb9c1257bc09d60d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling reingold-tilford v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "6c2e46aac53a9c621f5aef42e90f565d9c10a2af94570ecb9c1257bc09d60d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2e46aac53a9c621f5aef42e90f565d9c10a2af94570ecb9c1257bc09d60d1f", kill_on_drop: false }`
[INFO] [stdout] 6c2e46aac53a9c621f5aef42e90f565d9c10a2af94570ecb9c1257bc09d60d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04f9e4123e9b6f62bfd2b5be5b91fb72c598f42d72c344407dfa46935960e1e8
[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" "04f9e4123e9b6f62bfd2b5be5b91fb72c598f42d72c344407dfa46935960e1e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling reingold-tilford v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "04f9e4123e9b6f62bfd2b5be5b91fb72c598f42d72c344407dfa46935960e1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f9e4123e9b6f62bfd2b5be5b91fb72c598f42d72c344407dfa46935960e1e8", kill_on_drop: false }`
[INFO] [stdout] 04f9e4123e9b6f62bfd2b5be5b91fb72c598f42d72c344407dfa46935960e1e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 420789c4f62adc9622ebbd664439cfa4667cd2a62928ed8c28cf0298906689f9
[INFO] running `Command { std: "docker" "start" "-a" "420789c4f62adc9622ebbd664439cfa4667cd2a62928ed8c28cf0298906689f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reingold_tilford-fc00c70d118a05a4)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tree::test::is_leaf_false ... ok
[INFO] [stdout] test tree::test::is_root_false ... ok
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-65f936ae7fcc5a63)
[INFO] [stdout] test tree::test::breadth_first ... ok
[INFO] [stdout] test tree::test::is_leaf_true ... ok
[INFO] [stdout] test tree::test::is_root_true ... ok
[INFO] [stdout] test tree::test::root ... ok
[INFO] [stdout] test tree::test::post_order ... ok
[INFO] [stdout] test tree::test::new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test petgraph ... ok
[INFO] [stderr]    Doc-tests reingold-tilford
[INFO] [stdout] test ptc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - NodeInfo (line 86) ... ok
[INFO] [stdout] test src/lib.rs - NodeInfo (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "420789c4f62adc9622ebbd664439cfa4667cd2a62928ed8c28cf0298906689f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420789c4f62adc9622ebbd664439cfa4667cd2a62928ed8c28cf0298906689f9", kill_on_drop: false }`
[INFO] [stdout] 420789c4f62adc9622ebbd664439cfa4667cd2a62928ed8c28cf0298906689f9