[INFO] fetching crate jfs 0.6.2...
[INFO] testing jfs-0.6.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jfs 0.6.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jfs 0.6.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3b0eb363d29f44423738d37c56b06af191698cf83a992bb1f8352e0fcb4d4ca
[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" "f3b0eb363d29f44423738d37c56b06af191698cf83a992bb1f8352e0fcb4d4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3b0eb363d29f44423738d37c56b06af191698cf83a992bb1f8352e0fcb4d4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b0eb363d29f44423738d37c56b06af191698cf83a992bb1f8352e0fcb4d4ca", kill_on_drop: false }`
[INFO] [stdout] f3b0eb363d29f44423738d37c56b06af191698cf83a992bb1f8352e0fcb4d4ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "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] 73dbd344359d1eba94ee628e370021f1323b853f9fec3acb984bf885e75c6cce
[INFO] running `Command { std: "docker" "start" "-a" "73dbd344359d1eba94ee628e370021f1323b853f9fec3acb984bf885e75c6cce", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs2 v0.4.3
[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 2.77s
[INFO] running `Command { std: "docker" "inspect" "73dbd344359d1eba94ee628e370021f1323b853f9fec3acb984bf885e75c6cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73dbd344359d1eba94ee628e370021f1323b853f9fec3acb984bf885e75c6cce", kill_on_drop: false }`
[INFO] [stdout] 73dbd344359d1eba94ee628e370021f1323b853f9fec3acb984bf885e75c6cce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeb6131314513fd6ee370ca7c48fb397f88f3307f1caea48cb81b064f06242a1
[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" "aeb6131314513fd6ee370ca7c48fb397f88f3307f1caea48cb81b064f06242a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling jfs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "aeb6131314513fd6ee370ca7c48fb397f88f3307f1caea48cb81b064f06242a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb6131314513fd6ee370ca7c48fb397f88f3307f1caea48cb81b064f06242a1", kill_on_drop: false }`
[INFO] [stdout] aeb6131314513fd6ee370ca7c48fb397f88f3307f1caea48cb81b064f06242a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b927a9a4c2110bfcea48f4d86ff9889561c816143a8566c3cd26befd443ecb5
[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" "8b927a9a4c2110bfcea48f4d86ff9889561c816143a8566c3cd26befd443ecb5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jfs-721f793a08a4cb99
[INFO] [stdout] running 33 tests
[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::pretty_print_file_content ... ok
[INFO] [stdout] test file_store::tests::json_store::save_with_id ... ok
[INFO] [stdout] test file_store::tests::json_store::single_delete ... ok
[INFO] [stdout] test file_store::tests::json_store::all ... ok
[INFO] [stdout] test file_store::tests::json_store::single_delete_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::single_save ... ok
[INFO] [stdout] test memory_store::tests::all ... ok
[INFO] [stdout] test file_store::tests::json_store::save ... ok
[INFO] [stdout] test file_store::tests::json_store::single_save_without_file_name_ext ... ok
[INFO] [stdout] test memory_store::tests::delete ... ok
[INFO] [stdout] test memory_store::tests::delete_non_existent ... ok
[INFO] [stdout] test memory_store::tests::get ... ok
[INFO] [stdout] test memory_store::tests::get_non_existent ... ok
[INFO] [stdout] test memory_store::tests::save_empty_obj ... ok
[INFO] [stdout] test memory_store::tests::save ... ok
[INFO] [stdout] test memory_store::tests::save_with_id ... ok
[INFO] [stdout] test file_store::tests::json_store::single_get_non_existent ... ok
[INFO] [stdout] test memory_store::tests::update ... ok
[INFO] [stdout] test file_store::tests::json_store::single_get ... ok
[INFO] [stdout] test file_store::tests::json_store::save_empty_obj ... ok
[INFO] [stdout] test file_store::tests::json_store::new_multi_threaded ... ok
[INFO] [stdout] test file_store::tests::json_store::single_new_multi_threaded ... ok
[INFO] [stdout] test tests::multi_threaded_write_in_memory ... ok
[INFO] [stdout] test memory_store::tests::save_and_read_multi_threaded ... ok
[INFO] [stdout] test file_store::tests::json_store::get ... 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_all ... 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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jfs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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 52) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b927a9a4c2110bfcea48f4d86ff9889561c816143a8566c3cd26befd443ecb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b927a9a4c2110bfcea48f4d86ff9889561c816143a8566c3cd26befd443ecb5", kill_on_drop: false }`
[INFO] [stdout] 8b927a9a4c2110bfcea48f4d86ff9889561c816143a8566c3cd26befd443ecb5