[INFO] fetching crate jfs 0.6.2...
[INFO] testing jfs-0.6.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate jfs 0.6.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jfs 0.6.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jfs 0.6.2
[INFO] finished tweaking crates.io crate jfs 0.6.2
[INFO] tweaked toml for crates.io crate jfs 0.6.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 417551a94d0c5f74d86e5b8854a23283603ca709c6c4191a51bb672ff09df721
[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" "417551a94d0c5f74d86e5b8854a23283603ca709c6c4191a51bb672ff09df721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "417551a94d0c5f74d86e5b8854a23283603ca709c6c4191a51bb672ff09df721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417551a94d0c5f74d86e5b8854a23283603ca709c6c4191a51bb672ff09df721", kill_on_drop: false }`
[INFO] [stdout] 417551a94d0c5f74d86e5b8854a23283603ca709c6c4191a51bb672ff09df721
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 79bb503b5f88f1635d767d38d5448bfdb0ca17a79b12be9560964446bb30eac6
[INFO] running `Command { std: "docker" "start" "-a" "79bb503b5f88f1635d767d38d5448bfdb0ca17a79b12be9560964446bb30eac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling jfs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "79bb503b5f88f1635d767d38d5448bfdb0ca17a79b12be9560964446bb30eac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bb503b5f88f1635d767d38d5448bfdb0ca17a79b12be9560964446bb30eac6", kill_on_drop: false }`
[INFO] [stdout] 79bb503b5f88f1635d767d38d5448bfdb0ca17a79b12be9560964446bb30eac6
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bdb9d8c58701df245849b742f0f5ba6ab8514623acb1355142c88e26b212081
[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" "1bdb9d8c58701df245849b742f0f5ba6ab8514623acb1355142c88e26b212081", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jfs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolons
[INFO] [stdout]    --> src/file_store.rs:460:14
[INFO] [stdout]     |
[INFO] [stdout] 460 |               };
[INFO] [stdout]     |  ______________^
[INFO] [stdout] 461 | |             #[cfg(feature = "rustc-serialize")]
[INFO] [stdout] 462 | |             #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stdout] 463 | |             struct X {
[INFO] [stdout] 464 | |                 x: u32,
[INFO] [stdout] 465 | |                 y: u32,
[INFO] [stdout] 466 | |             };
[INFO] [stdout]     | |______________^ help: remove these semicolons
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolons
[INFO] [stdout]    --> src/memory_store.rs:241:10
[INFO] [stdout]     |
[INFO] [stdout] 241 |           };
[INFO] [stdout]     |  __________^
[INFO] [stdout] 242 | |         #[cfg(feature = "rustc-serialize")]
[INFO] [stdout] 243 | |         #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stdout] 244 | |         struct X {
[INFO] [stdout] 245 | |             x: u32,
[INFO] [stdout] 246 | |             y: u32,
[INFO] [stdout] 247 | |         };
[INFO] [stdout]     | |__________^ help: remove these semicolons
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "1bdb9d8c58701df245849b742f0f5ba6ab8514623acb1355142c88e26b212081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdb9d8c58701df245849b742f0f5ba6ab8514623acb1355142c88e26b212081", kill_on_drop: false }`
[INFO] [stdout] 1bdb9d8c58701df245849b742f0f5ba6ab8514623acb1355142c88e26b212081
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b377beda93c8c1537031f10911cf5d112ce63f5235bd8840db5ef49a9207b324
[INFO] running `Command { std: "docker" "start" "-a" "b377beda93c8c1537031f10911cf5d112ce63f5235bd8840db5ef49a9207b324", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolons
[INFO] [stderr]    --> src/file_store.rs:460:14
[INFO] [stderr]     |
[INFO] [stderr] 460 |               };
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 461 | |             #[cfg(feature = "rustc-serialize")]
[INFO] [stderr] 462 | |             #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stderr] 463 | |             struct X {
[INFO] [stderr] 464 | |                 x: u32,
[INFO] [stderr] 465 | |                 y: u32,
[INFO] [stderr] 466 | |             };
[INFO] [stderr]     | |______________^ help: remove these semicolons
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolons
[INFO] [stderr]    --> src/memory_store.rs:241:10
[INFO] [stderr]     |
[INFO] [stderr] 241 |           };
[INFO] [stderr]     |  __________^
[INFO] [stderr] 242 | |         #[cfg(feature = "rustc-serialize")]
[INFO] [stderr] 243 | |         #[derive(RustcEncodable, RustcDecodable)]
[INFO] [stderr] 244 | |         struct X {
[INFO] [stderr] 245 | |             x: u32,
[INFO] [stderr] 246 | |             y: u32,
[INFO] [stderr] 247 | |         };
[INFO] [stderr]     | |__________^ help: remove these semicolons
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jfs-64d322e76185fd66
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test file_store::tests::json_store::get ... ok
[INFO] [stdout] test file_store::tests::json_store::get_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::delete_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::all ... ok
[INFO] [stdout] test file_store::tests::json_store::pretty_print_file_content ... ok
[INFO] [stdout] test file_store::tests::json_store::save ... ok
[INFO] [stdout] test file_store::tests::json_store::new_multi_threaded ... ok
[INFO] [stdout] test memory_store::tests::all ... ok
[INFO] [stdout] test memory_store::tests::delete ... ok
[INFO] [stdout] test file_store::tests::json_store::single_delete_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::single_get ... ok
[INFO] [stdout] test memory_store::tests::delete_non_existent ... ok
[INFO] [stdout] test memory_store::tests::get ... ok
[INFO] [stdout] test file_store::tests::json_store::single_all ... ok
[INFO] [stdout] test file_store::tests::json_store::single_delete ... ok
[INFO] [stdout] test memory_store::tests::save_with_id ... ok
[INFO] [stdout] test memory_store::tests::save_empty_obj ... ok
[INFO] [stdout] test memory_store::tests::get_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::single_save ... ok
[INFO] [stdout] test tests::multi_threaded_write_in_memory ... ok
[INFO] [stdout] test memory_store::tests::save ... ok
[INFO] [stdout] test memory_store::tests::update ... ok
[INFO] [stdout] test memory_store::tests::save_and_read_multi_threaded ... ok
[INFO] [stdout] test file_store::tests::json_store::single_get_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::save_with_id ... ok
[INFO] [stdout] test file_store::tests::json_store::save_empty_obj ... ok
[INFO] [stdout] test file_store::tests::json_store::single_new_multi_threaded ... ok
[INFO] [stdout] test file_store::tests::json_store::delete ... ok
[INFO] [stdout] test file_store::tests::json_store::save_and_read_multi_threaded ... ok
[INFO] [stdout] test file_store::tests::json_store::single_save_without_file_name_ext ... ok
[INFO] [stdout] test file_store::tests::json_store::single_save_and_read_multi_threaded ... ok
[INFO] [stdout] test tests::multi_threaded_write_with_dir ... ok
[INFO] [stdout] test tests::multi_threaded_write_with_single_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jfs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b377beda93c8c1537031f10911cf5d112ce63f5235bd8840db5ef49a9207b324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b377beda93c8c1537031f10911cf5d112ce63f5235bd8840db5ef49a9207b324", kill_on_drop: false }`
[INFO] [stdout] b377beda93c8c1537031f10911cf5d112ce63f5235bd8840db5ef49a9207b324