[INFO] updating cached repository robinvanleeuwen/rust-backup-manager
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robinvanleeuwen/rust-backup-manager
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robinvanleeuwen/rust-backup-manager" "work/ex/beta-1.38-1/sources/1.37.0/gh/robinvanleeuwen/rust-backup-manager"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/robinvanleeuwen/rust-backup-manager'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robinvanleeuwen/rust-backup-manager" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robinvanleeuwen/rust-backup-manager"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robinvanleeuwen/rust-backup-manager'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df73d608f83be591896aac85024ba252ddb1e221
[INFO] sha for GitHub repo robinvanleeuwen/rust-backup-manager: df73d608f83be591896aac85024ba252ddb1e221
[INFO] validating manifest of robinvanleeuwen/rust-backup-manager on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robinvanleeuwen/rust-backup-manager on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing robinvanleeuwen/rust-backup-manager
[INFO] finished frobbing robinvanleeuwen/rust-backup-manager
[INFO] frobbed toml for robinvanleeuwen/rust-backup-manager written to work/ex/beta-1.38-1/sources/1.37.0/gh/robinvanleeuwen/rust-backup-manager/Cargo.toml
[INFO] started frobbing robinvanleeuwen/rust-backup-manager
[INFO] finished frobbing robinvanleeuwen/rust-backup-manager
[INFO] frobbed toml for robinvanleeuwen/rust-backup-manager written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robinvanleeuwen/rust-backup-manager/Cargo.toml
[INFO] crate robinvanleeuwen/rust-backup-manager already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing robinvanleeuwen/rust-backup-manager against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robinvanleeuwen/rust-backup-manager:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6c28eef5676edf66f8875b578cd62851d0cad2f458462838bea993888012bac0
[INFO] running `"docker" "start" "-a" "6c28eef5676edf66f8875b578cd62851d0cad2f458462838bea993888012bac0"`
[INFO] [stderr]    Compiling backup-manager v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |     s.trim_right().to_string()
[INFO] [stderr]     |       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/main.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn start_os_process(command: &'static str){
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_os_process`
[INFO] [stderr]   --> src/main.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn start_os_process(command: &'static str){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     reader.read_line(&mut line);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]    --> src/main.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     line.trim();
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "6c28eef5676edf66f8875b578cd62851d0cad2f458462838bea993888012bac0"`
[INFO] running `"docker" "rm" "-f" "6c28eef5676edf66f8875b578cd62851d0cad2f458462838bea993888012bac0"`
[INFO] [stdout] 6c28eef5676edf66f8875b578cd62851d0cad2f458462838bea993888012bac0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robinvanleeuwen/rust-backup-manager:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cafee2b551e847cf2f658d738fda1f1eacf579788c880ee559da8729a8ce17c7
[INFO] running `"docker" "start" "-a" "cafee2b551e847cf2f658d738fda1f1eacf579788c880ee559da8729a8ce17c7"`
[INFO] [stderr]    Compiling backup-manager v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |     s.trim_right().to_string()
[INFO] [stderr]     |       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/main.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn start_os_process(command: &'static str){
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_os_process`
[INFO] [stderr]   --> src/main.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn start_os_process(command: &'static str){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     reader.read_line(&mut line);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]    --> src/main.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     line.trim();
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "cafee2b551e847cf2f658d738fda1f1eacf579788c880ee559da8729a8ce17c7"`
[INFO] running `"docker" "rm" "-f" "cafee2b551e847cf2f658d738fda1f1eacf579788c880ee559da8729a8ce17c7"`
[INFO] [stdout] cafee2b551e847cf2f658d738fda1f1eacf579788c880ee559da8729a8ce17c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robinvanleeuwen/rust-backup-manager:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2b57c23e72f32555a98f8f9e96415ff899e130572b05278276425cc8660b14b2
[INFO] running `"docker" "start" "-a" "2b57c23e72f32555a98f8f9e96415ff899e130572b05278276425cc8660b14b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/backup_manager-92012ef1b88def8b
[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" "2b57c23e72f32555a98f8f9e96415ff899e130572b05278276425cc8660b14b2"`
[INFO] running `"docker" "rm" "-f" "2b57c23e72f32555a98f8f9e96415ff899e130572b05278276425cc8660b14b2"`
[INFO] [stdout] 2b57c23e72f32555a98f8f9e96415ff899e130572b05278276425cc8660b14b2