[INFO] fetching crate fork-tree 3.0.0...
[INFO] testing fork-tree-3.0.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate fork-tree 3.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fork-tree 3.0.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fork-tree 3.0.0
[INFO] finished tweaking crates.io crate fork-tree 3.0.0
[INFO] tweaked toml for crates.io crate fork-tree 3.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1a15cbe0888d3a35316cab229972df9dfadedebfbe05d5a7df2a505d6c31a80
[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" "a1a15cbe0888d3a35316cab229972df9dfadedebfbe05d5a7df2a505d6c31a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1a15cbe0888d3a35316cab229972df9dfadedebfbe05d5a7df2a505d6c31a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a15cbe0888d3a35316cab229972df9dfadedebfbe05d5a7df2a505d6c31a80", kill_on_drop: false }`
[INFO] [stdout] a1a15cbe0888d3a35316cab229972df9dfadedebfbe05d5a7df2a505d6c31a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a84ebd90131cecd5829f349d349912c8d4569356593fc59e80af8dd24d8b4b61
[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" "a84ebd90131cecd5829f349d349912c8d4569356593fc59e80af8dd24d8b4b61", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.1.0
[INFO] [stderr]    Compiling parity-scale-codec v2.1.1
[INFO] [stderr]    Compiling fork-tree v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.61s
[INFO] running `Command { std: "docker" "inspect" "a84ebd90131cecd5829f349d349912c8d4569356593fc59e80af8dd24d8b4b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84ebd90131cecd5829f349d349912c8d4569356593fc59e80af8dd24d8b4b61", kill_on_drop: false }`
[INFO] [stdout] a84ebd90131cecd5829f349d349912c8d4569356593fc59e80af8dd24d8b4b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ff06f11c980424ac3431d6abaf70b330f2f841d257b7a825a4bd83cb7e3cae
[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" "a2ff06f11c980424ac3431d6abaf70b330f2f841d257b7a825a4bd83cb7e3cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling fork-tree v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "a2ff06f11c980424ac3431d6abaf70b330f2f841d257b7a825a4bd83cb7e3cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ff06f11c980424ac3431d6abaf70b330f2f841d257b7a825a4bd83cb7e3cae", kill_on_drop: false }`
[INFO] [stdout] a2ff06f11c980424ac3431d6abaf70b330f2f841d257b7a825a4bd83cb7e3cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] e97782033dc11c5cde4778bda55868585072c58a2461beaefcf1c64fa3a88071
[INFO] running `Command { std: "docker" "start" "-a" "e97782033dc11c5cde4778bda55868585072c58a2461beaefcf1c64fa3a88071", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fork_tree-7721611503dc66d6)
[INFO] [stdout] running 13 tests
[INFO] [stderr]    Doc-tests fork-tree
[INFO] [stdout] test test::finalize_root_works ... ok
[INFO] [stdout] test test::import_doesnt_revert ... ok
[INFO] [stdout] test test::minimizes_calls_to_is_descendent_of ... ok
[INFO] [stdout] test test::find_node_backtracks_after_finding_highest_descending_node ... ok
[INFO] [stdout] test test::finalize_with_descendent_works ... ok
[INFO] [stdout] test test::finalize_with_ancestor_works ... ok
[INFO] [stdout] test test::prune_works ... ok
[INFO] [stdout] test test::map_works ... ok
[INFO] [stdout] test test::import_doesnt_add_duplicates ... ok
[INFO] [stdout] test test::find_node_works ... ok
[INFO] [stdout] test test::finalize_works ... ok
[INFO] [stdout] test test::tree_rebalance ... ok
[INFO] [stdout] test test::iter_iterates_in_preorder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "e97782033dc11c5cde4778bda55868585072c58a2461beaefcf1c64fa3a88071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97782033dc11c5cde4778bda55868585072c58a2461beaefcf1c64fa3a88071", kill_on_drop: false }`
[INFO] [stdout] e97782033dc11c5cde4778bda55868585072c58a2461beaefcf1c64fa3a88071