[INFO] updating cached repository tomo3110/backupfs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomo3110/backupfs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomo3110/backupfs" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tomo3110/backupfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tomo3110/backupfs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomo3110/backupfs" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tomo3110/backupfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tomo3110/backupfs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08e3a5dcf257bb1e6ad1f422ce0c2e29ab499bef
[INFO] sha for GitHub repo tomo3110/backupfs: 08e3a5dcf257bb1e6ad1f422ce0c2e29ab499bef
[INFO] validating manifest of tomo3110/backupfs on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tomo3110/backupfs on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tomo3110/backupfs
[INFO] finished frobbing tomo3110/backupfs
[INFO] frobbed toml for tomo3110/backupfs written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tomo3110/backupfs/Cargo.toml
[INFO] started frobbing tomo3110/backupfs
[INFO] finished frobbing tomo3110/backupfs
[INFO] frobbed toml for tomo3110/backupfs written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/tomo3110/backupfs/Cargo.toml
[INFO] crate tomo3110/backupfs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tomo3110/backupfs against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/tomo3110/backupfs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d82d27a5a99d53dae8088c793b76d31d94a01b729526d7e10e2a7a763480be92
[INFO] running `"docker" "start" "-a" "d82d27a5a99d53dae8088c793b76d31d94a01b729526d7e10e2a7a763480be92"`
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking miniz_oxide v0.1.3
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking filedb v0.1.1
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking backupfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hash/mod.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut file: File = File::open(path)?;
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hash/mod.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let mut info: Metadata = file.metadata()?;
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hash/mod.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut file: File = File::open(path)?;
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hash/mod.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |             let mut info: Metadata = file.metadata()?;
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config_path`
[INFO] [stderr]   --> src/bin/client.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     config_path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config_path`
[INFO] [stderr]   --> src/bin/client.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     config_path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `args`
[INFO] [stderr]   --> src/bin/deamon.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     args: ArgMatches<'static>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `args`
[INFO] [stderr]   --> src/bin/deamon.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     args: ArgMatches<'static>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.98s
[INFO] running `"docker" "inspect" "d82d27a5a99d53dae8088c793b76d31d94a01b729526d7e10e2a7a763480be92"`
[INFO] running `"docker" "rm" "-f" "d82d27a5a99d53dae8088c793b76d31d94a01b729526d7e10e2a7a763480be92"`
[INFO] [stdout] d82d27a5a99d53dae8088c793b76d31d94a01b729526d7e10e2a7a763480be92