[INFO] fetching crate reingold-tilford 1.0.0...
[INFO] testing reingold-tilford-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate reingold-tilford 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate reingold-tilford 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a283543bf158b53e68b49115acc21b021f0c212b54199bea8be4f676db9506c
[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" "0a283543bf158b53e68b49115acc21b021f0c212b54199bea8be4f676db9506c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a283543bf158b53e68b49115acc21b021f0c212b54199bea8be4f676db9506c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a283543bf158b53e68b49115acc21b021f0c212b54199bea8be4f676db9506c", kill_on_drop: false }`
[INFO] [stdout] 0a283543bf158b53e68b49115acc21b021f0c212b54199bea8be4f676db9506c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 061ada0e868e6b7492bbeb29189992d53430dcbf9a535a63cc0064e515dca435
[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" "061ada0e868e6b7492bbeb29189992d53430dcbf9a535a63cc0064e515dca435", kill_on_drop: false }`
[INFO] [stderr]    Compiling reingold-tilford v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "061ada0e868e6b7492bbeb29189992d53430dcbf9a535a63cc0064e515dca435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061ada0e868e6b7492bbeb29189992d53430dcbf9a535a63cc0064e515dca435", kill_on_drop: false }`
[INFO] [stdout] 061ada0e868e6b7492bbeb29189992d53430dcbf9a535a63cc0064e515dca435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf3dcd6c89461c76f4b9ce6ecef036636e8e5263def919c978eccf9cfe9ec6b
[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" "9cf3dcd6c89461c76f4b9ce6ecef036636e8e5263def919c978eccf9cfe9ec6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ncurses v5.99.0
[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 9.06s
[INFO] running `Command { std: "docker" "inspect" "9cf3dcd6c89461c76f4b9ce6ecef036636e8e5263def919c978eccf9cfe9ec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf3dcd6c89461c76f4b9ce6ecef036636e8e5263def919c978eccf9cfe9ec6b", kill_on_drop: false }`
[INFO] [stdout] 9cf3dcd6c89461c76f4b9ce6ecef036636e8e5263def919c978eccf9cfe9ec6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 473d83c0db3ae3c0e29a0bf8b6f5da78836f2fcc3eca5c983d2b35e821a4db18
[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" "473d83c0db3ae3c0e29a0bf8b6f5da78836f2fcc3eca5c983d2b35e821a4db18", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reingold_tilford-a18ac732da02ae87
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tree::test::breadth_first ... ok
[INFO] [stdout] test tree::test::is_leaf_true ... ok
[INFO] [stdout] test tree::test::is_root_false ... ok
[INFO] [stdout] test tree::test::is_leaf_false ... ok
[INFO] [stdout] test tree::test::new ... ok
[INFO] [stdout] test tree::test::is_root_true ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-d9c38d1eb155b3e7
[INFO] [stdout] test tree::test::root ... ok
[INFO] [stdout] test tree::test::post_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests reingold-tilford
[INFO] [stdout] test ptc ... ok
[INFO] [stdout] test petgraph ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "473d83c0db3ae3c0e29a0bf8b6f5da78836f2fcc3eca5c983d2b35e821a4db18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473d83c0db3ae3c0e29a0bf8b6f5da78836f2fcc3eca5c983d2b35e821a4db18", kill_on_drop: false }`
[INFO] [stdout] 473d83c0db3ae3c0e29a0bf8b6f5da78836f2fcc3eca5c983d2b35e821a4db18