[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tomo3110/backupfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tomo3110/backupfs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomo3110/backupfs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tomo3110/backupfs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tomo3110/backupfs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tomo3110/backupfs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d19ca3dc7cb3d3ef648083bf0d36720dd84dfc8b7891737ef2f92602f437aff1
[INFO] running `"docker" "start" "-a" "d19ca3dc7cb3d3ef648083bf0d36720dd84dfc8b7891737ef2f92602f437aff1"`
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]     Checking miniz_oxide v0.1.3
[INFO] [stderr]     Checking dirs v1.0.3
[INFO] [stderr]     Checking ctrlc v3.1.1
[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 filedb v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.27
[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: `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: `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]     Finished dev [unoptimized + debuginfo] target(s) in 43.23s
[INFO] running `"docker" "inspect" "d19ca3dc7cb3d3ef648083bf0d36720dd84dfc8b7891737ef2f92602f437aff1"`
[INFO] running `"docker" "rm" "-f" "d19ca3dc7cb3d3ef648083bf0d36720dd84dfc8b7891737ef2f92602f437aff1"`
[INFO] [stdout] d19ca3dc7cb3d3ef648083bf0d36720dd84dfc8b7891737ef2f92602f437aff1