[INFO] fetching crate rctree 0.3.3...
[INFO] testing rctree-0.3.3 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate rctree 0.3.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rctree 0.3.3 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8337cac197574614f85d907f9ccc3d771ee2127271040703c3ca157f1fd17bf
[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" "f8337cac197574614f85d907f9ccc3d771ee2127271040703c3ca157f1fd17bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8337cac197574614f85d907f9ccc3d771ee2127271040703c3ca157f1fd17bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8337cac197574614f85d907f9ccc3d771ee2127271040703c3ca157f1fd17bf", kill_on_drop: false }`
[INFO] [stdout] f8337cac197574614f85d907f9ccc3d771ee2127271040703c3ca157f1fd17bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3677a2c30dc3f543f1d02c2fee87b553e772b37efa5b4a0d6b6d1862ca54aee3
[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" "3677a2c30dc3f543f1d02c2fee87b553e772b37efa5b4a0d6b6d1862ca54aee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rctree v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3677a2c30dc3f543f1d02c2fee87b553e772b37efa5b4a0d6b6d1862ca54aee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3677a2c30dc3f543f1d02c2fee87b553e772b37efa5b4a0d6b6d1862ca54aee3", kill_on_drop: false }`
[INFO] [stdout] 3677a2c30dc3f543f1d02c2fee87b553e772b37efa5b4a0d6b6d1862ca54aee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", 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] 878cccfbb0518d05175b267db1371ec75ca7cee83f5da020d321eff9787e8c4e
[INFO] running `Command { std: "docker" "start" "-a" "878cccfbb0518d05175b267db1371ec75ca7cee83f5da020d321eff9787e8c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rctree v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "878cccfbb0518d05175b267db1371ec75ca7cee83f5da020d321eff9787e8c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878cccfbb0518d05175b267db1371ec75ca7cee83f5da020d321eff9787e8c4e", kill_on_drop: false }`
[INFO] [stdout] 878cccfbb0518d05175b267db1371ec75ca7cee83f5da020d321eff9787e8c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 744e6a8390b7c71f76f275597c51fb7dda429997354d6f251537906db64bc65d
[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" "744e6a8390b7c71f76f275597c51fb7dda429997354d6f251537906db64bc65d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rctree-43ac1a99bcafc4ce
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-cbdfd9e8f7008050
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test make_copy_1 ... ok
[INFO] [stdout] test make_deep_copy_1 ... ok
[INFO] [stdout] test root_1 ... ok
[INFO] [stdout] test root_2 ... ok
[INFO] [stdout] test root_3 ... ok
[INFO] [stdout] test root_4 ... ok
[INFO] [stdout] test children_2 ... ok
[INFO] [stdout] test children_1 ... ok
[INFO] [stdout] test weak_1 ... ok
[INFO] [stdout] test weak_2 ... ok
[INFO] [stdout] test traverse_1 ... ok
[INFO] [stdout] test traverse_2 ... ok
[INFO] [stdout] test prepend_1 ... ok
[INFO] [stdout] test append_1 ... ok
[INFO] [stdout] test insert_before_1 ... ok
[INFO] [stdout] test insert_after_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" "744e6a8390b7c71f76f275597c51fb7dda429997354d6f251537906db64bc65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744e6a8390b7c71f76f275597c51fb7dda429997354d6f251537906db64bc65d", kill_on_drop: false }`
[INFO] [stdout] 744e6a8390b7c71f76f275597c51fb7dda429997354d6f251537906db64bc65d