[INFO] fetching crate flattree 2.0.0...
[INFO] testing flattree-2.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate flattree 2.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flattree 2.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flattree 2.0.0
[INFO] finished tweaking crates.io crate flattree 2.0.0
[INFO] tweaked toml for crates.io crate flattree 2.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8089ac920e33cefcf1bac90e02aae2aea3916f10822ee5a08a92a4be5a0a2d30
[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" "8089ac920e33cefcf1bac90e02aae2aea3916f10822ee5a08a92a4be5a0a2d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8089ac920e33cefcf1bac90e02aae2aea3916f10822ee5a08a92a4be5a0a2d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8089ac920e33cefcf1bac90e02aae2aea3916f10822ee5a08a92a4be5a0a2d30", kill_on_drop: false }`
[INFO] [stdout] 8089ac920e33cefcf1bac90e02aae2aea3916f10822ee5a08a92a4be5a0a2d30
[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=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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe6e85df99c16fc041dcc7c57d27eddaeff245a9c6b2ca0a9b65f1f693e047df
[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" "fe6e85df99c16fc041dcc7c57d27eddaeff245a9c6b2ca0a9b65f1f693e047df", kill_on_drop: false }`
[INFO] [stderr]    Compiling flattree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "fe6e85df99c16fc041dcc7c57d27eddaeff245a9c6b2ca0a9b65f1f693e047df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6e85df99c16fc041dcc7c57d27eddaeff245a9c6b2ca0a9b65f1f693e047df", kill_on_drop: false }`
[INFO] [stdout] fe6e85df99c16fc041dcc7c57d27eddaeff245a9c6b2ca0a9b65f1f693e047df
[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=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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34186b9ba250055ca27941a864e8d0942f883e2303eaf68367acd4741ee37034
[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" "34186b9ba250055ca27941a864e8d0942f883e2303eaf68367acd4741ee37034", kill_on_drop: false }`
[INFO] [stderr]    Compiling flattree v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "34186b9ba250055ca27941a864e8d0942f883e2303eaf68367acd4741ee37034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34186b9ba250055ca27941a864e8d0942f883e2303eaf68367acd4741ee37034", kill_on_drop: false }`
[INFO] [stdout] 34186b9ba250055ca27941a864e8d0942f883e2303eaf68367acd4741ee37034
[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=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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4509e18a8cb391cd5d0842d992bd782b6df4adc7969b4502f2200f3581493818
[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" "4509e18a8cb391cd5d0842d992bd782b6df4adc7969b4502f2200f3581493818", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flattree-1e892dbc53e2fa64)
[INFO] [stdout] test test_left_span ... ok
[INFO] [stdout] test test_offsets ... ok
[INFO] [stdout] test test_parent_gt_int32 ... ok
[INFO] [stdout] test test_parents ... ok
[INFO] [stdout] test test_right_child ... ok
[INFO] [stdout] test test_right_span ... ok
[INFO] [stdout] test test_siblings ... ok
[INFO] [stdout] test test_left_child ... ok
[INFO] [stdout] test test_spans ... ok
[INFO] [stdout] test test_child_to_parent_to_child ... ok
[INFO] [stdout] test test_depths ... ok
[INFO] [stdout] test test_iterator ... ok
[INFO] [stdout] test test_iterator_non_leaf_start ... ok
[INFO] [stdout] test test_children ... ok
[INFO] [stdout] test test_count ... ok
[INFO] [stdout] test test_base_blocks ... ok
[INFO] [stdout] test test_full_roots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flattree
[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" "4509e18a8cb391cd5d0842d992bd782b6df4adc7969b4502f2200f3581493818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4509e18a8cb391cd5d0842d992bd782b6df4adc7969b4502f2200f3581493818", kill_on_drop: false }`
[INFO] [stdout] 4509e18a8cb391cd5d0842d992bd782b6df4adc7969b4502f2200f3581493818