[INFO] fetching crate jfs 0.6.2...
[INFO] testing jfs-0.6.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate jfs 0.6.2 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate jfs 0.6.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b14ad0b05029f8b014c8860b7b54642869b08140f692573749943f13e7fa8c6a
[INFO] running `Command { std: "docker" "start" "-a" "b14ad0b05029f8b014c8860b7b54642869b08140f692573749943f13e7fa8c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b14ad0b05029f8b014c8860b7b54642869b08140f692573749943f13e7fa8c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14ad0b05029f8b014c8860b7b54642869b08140f692573749943f13e7fa8c6a", kill_on_drop: false }`
[INFO] [stdout] b14ad0b05029f8b014c8860b7b54642869b08140f692573749943f13e7fa8c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6501ebf354cabd2790f4efcf9a7d29617c9719606e89387703799a859229df1c
[INFO] running `Command { std: "docker" "start" "-a" "6501ebf354cabd2790f4efcf9a7d29617c9719606e89387703799a859229df1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift 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 4.76s
[INFO] running `Command { std: "docker" "inspect" "6501ebf354cabd2790f4efcf9a7d29617c9719606e89387703799a859229df1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6501ebf354cabd2790f4efcf9a7d29617c9719606e89387703799a859229df1c", kill_on_drop: false }`
[INFO] [stdout] 6501ebf354cabd2790f4efcf9a7d29617c9719606e89387703799a859229df1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8504cdf317966d370187fe1e6f03e01444d1d7b02655544196be149039ae5b
[INFO] running `Command { std: "docker" "start" "-a" "ff8504cdf317966d370187fe1e6f03e01444d1d7b02655544196be149039ae5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling jfs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/file_store.rs:410:14
[INFO] [stdout]     |
[INFO] [stdout] 410 |             };
[INFO] [stdout]     |              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/file_store.rs:416:14
[INFO] [stdout]     |
[INFO] [stdout] 416 |             };
[INFO] [stdout]     |              ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.10s
[INFO] running `Command { std: "docker" "inspect" "ff8504cdf317966d370187fe1e6f03e01444d1d7b02655544196be149039ae5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8504cdf317966d370187fe1e6f03e01444d1d7b02655544196be149039ae5b", kill_on_drop: false }`
[INFO] [stdout] ff8504cdf317966d370187fe1e6f03e01444d1d7b02655544196be149039ae5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4fa51a69eac3185faee3e6eecebc0cbebc4d49cff7b3844709aa91c2f387a1f
[INFO] running `Command { std: "docker" "start" "-a" "d4fa51a69eac3185faee3e6eecebc0cbebc4d49cff7b3844709aa91c2f387a1f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/file_store.rs:410:14
[INFO] [stderr]     |
[INFO] [stderr] 410 |             };
[INFO] [stderr]     |              ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/file_store.rs:416:14
[INFO] [stderr]     |
[INFO] [stderr] 416 |             };
[INFO] [stderr]     |              ^ help: remove this semicolon
[INFO] [stderr] 
[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] 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: `jfs` (lib test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jfs-a3913c3c8a47c438)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test file_store::tests::json_store::all ... ok
[INFO] [stdout] test file_store::tests::json_store::delete_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::get_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::save_with_id ... ok
[INFO] [stdout] test memory_store::tests::all ... ok
[INFO] [stdout] test file_store::tests::json_store::pretty_print_file_content ... ok
[INFO] [stdout] test memory_store::tests::delete_non_existent ... ok
[INFO] [stdout] test memory_store::tests::get_non_existent ... ok
[INFO] [stdout] test memory_store::tests::get ... ok
[INFO] [stdout] test file_store::tests::json_store::single_save_without_file_name_ext ... ok
[INFO] [stdout] test memory_store::tests::save_empty_obj ... ok
[INFO] [stdout] test file_store::tests::json_store::delete ... ok
[INFO] [stdout] test memory_store::tests::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_get_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::single_all ... ok
[INFO] [stdout] test file_store::tests::json_store::single_save ... ok
[INFO] [stdout] test file_store::tests::json_store::get ... ok
[INFO] [stdout] test memory_store::tests::save ... ok
[INFO] [stdout] test file_store::tests::json_store::single_delete ... ok
[INFO] [stdout] test file_store::tests::json_store::new_multi_threaded ... ok
[INFO] [stdout] test file_store::tests::json_store::single_delete_non_existent ... ok
[INFO] [stdout] test file_store::tests::json_store::save ... ok
[INFO] [stdout] test file_store::tests::json_store::single_get ... 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 memory_store::tests::delete ... ok
[INFO] [stdout] test memory_store::tests::update ... ok
[INFO] [stdout] test file_store::tests::json_store::single_new_multi_threaded ... 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_and_read_multi_threaded ... ok
[INFO] [stdout] test tests::multi_threaded_write_with_dir ... ok
[INFO] [stderr]    Doc-tests jfs
[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 0.41s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 35) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 44) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 13) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 52) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4fa51a69eac3185faee3e6eecebc0cbebc4d49cff7b3844709aa91c2f387a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fa51a69eac3185faee3e6eecebc0cbebc4d49cff7b3844709aa91c2f387a1f", kill_on_drop: false }`
[INFO] [stdout] d4fa51a69eac3185faee3e6eecebc0cbebc4d49cff7b3844709aa91c2f387a1f
