[INFO] fetching crate rctree 0.3.3...
[INFO] testing rctree-0.3.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate rctree 0.3.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rctree 0.3.3 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rctree 0.3.3
[INFO] finished tweaking crates.io crate rctree 0.3.3
[INFO] tweaked toml for crates.io crate rctree 0.3.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad3730051d95b8f654379a3a3bee9de5e1920a003e84869101a9fb3cf5e74ab7
[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" "ad3730051d95b8f654379a3a3bee9de5e1920a003e84869101a9fb3cf5e74ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad3730051d95b8f654379a3a3bee9de5e1920a003e84869101a9fb3cf5e74ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3730051d95b8f654379a3a3bee9de5e1920a003e84869101a9fb3cf5e74ab7", kill_on_drop: false }`
[INFO] [stdout] ad3730051d95b8f654379a3a3bee9de5e1920a003e84869101a9fb3cf5e74ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc4adb342d9ee8eec373d671ad9d016bee57d214c922fc191ecdd82e34a9b7f5
[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" "cc4adb342d9ee8eec373d671ad9d016bee57d214c922fc191ecdd82e34a9b7f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rctree v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "cc4adb342d9ee8eec373d671ad9d016bee57d214c922fc191ecdd82e34a9b7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4adb342d9ee8eec373d671ad9d016bee57d214c922fc191ecdd82e34a9b7f5", kill_on_drop: false }`
[INFO] [stdout] cc4adb342d9ee8eec373d671ad9d016bee57d214c922fc191ecdd82e34a9b7f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8183e30fcdf4825bc609a0bf8e516d0fee3405c05ae8f5e03a8acd398e835587
[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" "8183e30fcdf4825bc609a0bf8e516d0fee3405c05ae8f5e03a8acd398e835587", kill_on_drop: false }`
[INFO] [stderr]    Compiling rctree v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "8183e30fcdf4825bc609a0bf8e516d0fee3405c05ae8f5e03a8acd398e835587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8183e30fcdf4825bc609a0bf8e516d0fee3405c05ae8f5e03a8acd398e835587", kill_on_drop: false }`
[INFO] [stdout] 8183e30fcdf4825bc609a0bf8e516d0fee3405c05ae8f5e03a8acd398e835587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 4937ff0a04a10d7d36853e9a78c6994ef36360fff59881cf734a9d70dc54267d
[INFO] running `Command { std: "docker" "start" "-a" "4937ff0a04a10d7d36853e9a78c6994ef36360fff59881cf734a9d70dc54267d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rctree-43ac1a99bcafc4ce
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-cbdfd9e8f7008050
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test make_deep_copy_1 ... ok
[INFO] [stdout] test root_3 ... ok
[INFO] [stdout] test root_4 ... ok
[INFO] [stdout] test root_1 ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test make_copy_1 ... ok
[INFO] [stdout] test root_2 ... ok
[INFO] [stdout] test weak_1 ... ok
[INFO] [stdout] test children_2 ... ok
[INFO] [stdout] test children_1 ... ok
[INFO] [stdout] test weak_2 ... ok
[INFO] [stdout] test traverse_1 ... ok
[INFO] [stdout] test traverse_2 ... ok
[INFO] [stdout] test insert_after_1 ... ok
[INFO] [stdout] test prepend_1 ... ok
[INFO] [stdout] test append_1 ... ok
[INFO] [stdout] test insert_before_1 ... ok
[INFO] [stdout] test iter_1 ... ok
[INFO] [stdout] test stack_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rctree
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4937ff0a04a10d7d36853e9a78c6994ef36360fff59881cf734a9d70dc54267d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4937ff0a04a10d7d36853e9a78c6994ef36360fff59881cf734a9d70dc54267d", kill_on_drop: false }`
[INFO] [stdout] 4937ff0a04a10d7d36853e9a78c6994ef36360fff59881cf734a9d70dc54267d