[INFO] fetching crate frugalos_mds 1.2.0...
[INFO] testing frugalos_mds-1.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate frugalos_mds 1.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate frugalos_mds 1.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frugalos_mds 1.2.0
[INFO] finished tweaking crates.io crate frugalos_mds 1.2.0
[INFO] tweaked toml for crates.io crate frugalos_mds 1.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b70dd1ec08678086f9d7b0d7660a03611b86c523ea7b209fa1588f288290c7f
[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" "0b70dd1ec08678086f9d7b0d7660a03611b86c523ea7b209fa1588f288290c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b70dd1ec08678086f9d7b0d7660a03611b86c523ea7b209fa1588f288290c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b70dd1ec08678086f9d7b0d7660a03611b86c523ea7b209fa1588f288290c7f", kill_on_drop: false }`
[INFO] [stdout] 0b70dd1ec08678086f9d7b0d7660a03611b86c523ea7b209fa1588f288290c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b6bc33c3578b97aec3ad873776dfbd6efa361037bd357e9473437268a51e27
[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" "b2b6bc33c3578b97aec3ad873776dfbd6efa361037bd357e9473437268a51e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling factory v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling prometrics v0.1.13
[INFO] [stderr]    Compiling bytecodec v0.4.15
[INFO] [stderr]    Compiling rustracing v0.1.11
[INFO] [stderr]    Compiling thrift_codec v0.1.1
[INFO] [stderr]    Compiling rustracing_jaeger v0.1.12
[INFO] [stderr]    Compiling frugalos_core v1.2.0
[INFO] [stderr]    Compiling tasque v0.1.5
[INFO] [stderr]    Compiling raftlog v0.6.0
[INFO] [stderr]    Compiling cannyls v0.10.0
[INFO] [stderr]    Compiling fibers_tasque v0.1.2
[INFO] [stderr]    Compiling protobuf_codec v0.2.8
[INFO] [stderr]    Compiling fibers_rpc v0.3.4
[INFO] [stderr]    Compiling patricia_tree v0.1.10
[INFO] [stderr]    Compiling libfrugalos v0.7.0
[INFO] [stderr]    Compiling raftlog_protobuf v0.3.0
[INFO] [stderr]    Compiling frugalos_raft v1.2.0
[INFO] [stderr]    Compiling frugalos_mds v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "b2b6bc33c3578b97aec3ad873776dfbd6efa361037bd357e9473437268a51e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b6bc33c3578b97aec3ad873776dfbd6efa361037bd357e9473437268a51e27", kill_on_drop: false }`
[INFO] [stdout] b2b6bc33c3578b97aec3ad873776dfbd6efa361037bd357e9473437268a51e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c321abc43c14a56c7729e30a084989b5725f0bf8d6f6701102806f594b1d0ca
[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" "8c321abc43c14a56c7729e30a084989b5725f0bf8d6f6701102806f594b1d0ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibers_global v0.1.2
[INFO] [stderr]    Compiling frugalos_mds v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `Command { std: "docker" "inspect" "8c321abc43c14a56c7729e30a084989b5725f0bf8d6f6701102806f594b1d0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c321abc43c14a56c7729e30a084989b5725f0bf8d6f6701102806f594b1d0ca", kill_on_drop: false }`
[INFO] [stdout] 8c321abc43c14a56c7729e30a084989b5725f0bf8d6f6701102806f594b1d0ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] f45fd966832aa2f8c516dc86c67f26eeb69ca95afbb927c068f90a7cfec160cf
[INFO] running `Command { std: "docker" "start" "-a" "f45fd966832aa2f8c516dc86c67f26eeb69ca95afbb927c068f90a7cfec160cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frugalos_mds-951f0a9540eae125)
[INFO] [stdout] running 20 tests
[INFO] [stdout] test machine::tests::it_get_matching_version ... ok
[INFO] [stdout] test machine::tests::it_fails_to_delete_object_by_id_with_incorrect_expect ... ok
[INFO] [stdout] test machine::tests::it_doesnt_delete_non_matched_objects_by_prefix ... ok
[INFO] [stdout] test machine::tests::it_deletes_objects_by_prefix ... ok
[INFO] [stdout] test machine::tests::it_puts_object ... ok
[INFO] [stdout] test machine::tests::it_cant_put_object_with_incorrect_expect ... ok
[INFO] [stdout] test machine::tests::it_deletes_object_by_id ... ok
[INFO] [stdout] test machine::tests::it_doesnt_delete_unknown_object_by_id ... ok
[INFO] [stdout] test machine::tests::it_deletes_matched_objects_by_version ... ok
[INFO] [stdout] test node::timeout::tests::count_down_timeout_works ... ok
[INFO] [stdout] test node::snapshot::tests::fill_rng_seed_fills_insufficient_range ... ok
[INFO] [stdout] test node::snapshot::tests::it_works_with_minimum_range ... ok
[INFO] [stdout] test node::snapshot::tests::it_works_with_long_seed ... ok
[INFO] [stdout] test service::tests::stop_works ... ok
[INFO] [stdout] test node::handle::tests::it_deletes_objects_by_prefix ... ok
[INFO] [stdout] test node::snapshot::tests::it_works ... ok
[INFO] [stdout] test node::snapshot::tests::it_rejects_invalid_range ... ok
[INFO] [stdout] test node::tests::it_proposes_delete_by_prefix ... ok
[INFO] [stdout] test node::snapshot::tests::fill_rng_seed_works ... ok
[INFO] [stdout] test node::snapshot::tests::fill_rng_seed_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frugalos_mds
[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" "f45fd966832aa2f8c516dc86c67f26eeb69ca95afbb927c068f90a7cfec160cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45fd966832aa2f8c516dc86c67f26eeb69ca95afbb927c068f90a7cfec160cf", kill_on_drop: false }`
[INFO] [stdout] f45fd966832aa2f8c516dc86c67f26eeb69ca95afbb927c068f90a7cfec160cf