[INFO] crate littlefs 0.2.0 is already in cache
[INFO] testing littlefs-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate littlefs 0.2.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate littlefs 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate littlefs 0.2.0
[INFO] finished tweaking crates.io crate littlefs 0.2.0
[INFO] tweaked toml for crates.io crate littlefs 0.2.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 360c9e88b2d335f29256c074fd9cb8d66a71fd0ff32d6ab95d5076ec0dd15703
[INFO] running `"docker" "start" "-a" "360c9e88b2d335f29256c074fd9cb8d66a71fd0ff32d6ab95d5076ec0dd15703"`
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling cty v0.1.5
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling littlefs-sys v0.2.0
[INFO] [stderr]    Compiling littlefs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:219:1
[INFO] [stderr]     |
[INFO] [stderr] 219 | / /// Definition of file open flags which can be mixed and matched as appropriate. These definitions
[INFO] [stderr] 220 | | /// are reminiscent of the ones defined by POSIX.
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr] 221 | / bitflags! {
[INFO] [stderr] 222 | |     pub struct FileOpenFlags: u32 {
[INFO] [stderr] 223 | |         /// Open file in read only mode.
[INFO] [stderr] 224 | |         const RDONLY = 0x1;
[INFO] [stderr] ...   |
[INFO] [stderr] 237 | |     }
[INFO] [stderr] 238 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.64s
[INFO] running `"docker" "inspect" "360c9e88b2d335f29256c074fd9cb8d66a71fd0ff32d6ab95d5076ec0dd15703"`
[INFO] running `"docker" "rm" "-f" "360c9e88b2d335f29256c074fd9cb8d66a71fd0ff32d6ab95d5076ec0dd15703"`
[INFO] [stdout] 360c9e88b2d335f29256c074fd9cb8d66a71fd0ff32d6ab95d5076ec0dd15703
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] af02c7d26ffebe9e4f33b3dd9f6e65b667467a4fdd740f8afe807788631d192d
[INFO] running `"docker" "start" "-a" "af02c7d26ffebe9e4f33b3dd9f6e65b667467a4fdd740f8afe807788631d192d"`
[INFO] [stderr]    Compiling littlefs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:219:1
[INFO] [stderr]     |
[INFO] [stderr] 219 | / /// Definition of file open flags which can be mixed and matched as appropriate. These definitions
[INFO] [stderr] 220 | | /// are reminiscent of the ones defined by POSIX.
[INFO] [stderr]     | |_________________________________________________^
[INFO] [stderr] 221 | / bitflags! {
[INFO] [stderr] 222 | |     pub struct FileOpenFlags: u32 {
[INFO] [stderr] 223 | |         /// Open file in read only mode.
[INFO] [stderr] 224 | |         const RDONLY = 0x1;
[INFO] [stderr] ...   |
[INFO] [stderr] 237 | |     }
[INFO] [stderr] 238 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "af02c7d26ffebe9e4f33b3dd9f6e65b667467a4fdd740f8afe807788631d192d"`
[INFO] running `"docker" "rm" "-f" "af02c7d26ffebe9e4f33b3dd9f6e65b667467a4fdd740f8afe807788631d192d"`
[INFO] [stdout] af02c7d26ffebe9e4f33b3dd9f6e65b667467a4fdd740f8afe807788631d192d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 00b3507b81028a4ff41bb8d0cddda3982ee7c3aae68ba93d5b7746fe4245111e
[INFO] running `"docker" "start" "-a" "00b3507b81028a4ff41bb8d0cddda3982ee7c3aae68ba93d5b7746fe4245111e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/littlefs-37e3a05f1328bc29
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_lfs_info ... ok
[INFO] [stdout] test tests::test_create_littlefs ... ok
[INFO] [stdout] test tests::test_lfs_truncate ... ok
[INFO] [stdout] test tests::test_mkdir ... ok
[INFO] [stdout] test tests::test_lfs_tell ... ok
[INFO] [stdout] test tests::test_lfs_seek ... ok
[INFO] [stdout] test tests::test_read_write_file ... ok
[INFO] [stdout] test tests::test_mount_littlefs ... ok
[INFO] [stdout] test tests::test_create_file ... ok
[INFO] [stdout] test tests::test_write_file ... ok
[INFO] [stdout] test tests::test_write_big_file ... ok
[INFO] [stdout] test tests::test_rename_file ... ok
[INFO] [stdout] test tests::test_validate_big_file ... ok
[INFO] [stdout] test tests::test_erase_big_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests littlefs
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "00b3507b81028a4ff41bb8d0cddda3982ee7c3aae68ba93d5b7746fe4245111e"`
[INFO] running `"docker" "rm" "-f" "00b3507b81028a4ff41bb8d0cddda3982ee7c3aae68ba93d5b7746fe4245111e"`
[INFO] [stdout] 00b3507b81028a4ff41bb8d0cddda3982ee7c3aae68ba93d5b7746fe4245111e