[INFO] updating cached repository itkubsa1/bprocess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/itkubsa1/bprocess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/itkubsa1/bprocess" "work/ex/beta-1.38-1/sources/1.37.0/gh/itkubsa1/bprocess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/itkubsa1/bprocess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/itkubsa1/bprocess" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/itkubsa1/bprocess"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/itkubsa1/bprocess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1eccca0dca08a2804be13e2ecdfa0e5a3dcb48d
[INFO] sha for GitHub repo itkubsa1/bprocess: c1eccca0dca08a2804be13e2ecdfa0e5a3dcb48d
[INFO] validating manifest of itkubsa1/bprocess 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 itkubsa1/bprocess 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 itkubsa1/bprocess
[INFO] finished frobbing itkubsa1/bprocess
[INFO] frobbed toml for itkubsa1/bprocess written to work/ex/beta-1.38-1/sources/1.37.0/gh/itkubsa1/bprocess/Cargo.toml
[INFO] started frobbing itkubsa1/bprocess
[INFO] finished frobbing itkubsa1/bprocess
[INFO] frobbed toml for itkubsa1/bprocess written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/itkubsa1/bprocess/Cargo.toml
[INFO] crate itkubsa1/bprocess 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing itkubsa1/bprocess against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/itkubsa1/bprocess:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f72086a512a813175c87becbea9a41532dc1b993c076571b28394323fef79939
[INFO] running `"docker" "start" "-a" "f72086a512a813175c87becbea9a41532dc1b993c076571b28394323fef79939"`
[INFO] [stderr]    Compiling Rust-firststeps v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let parsed = match arg.parse::<u64>() {
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         Ok(n) => return Ok(()),
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `wfilepath` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:340:13
[INFO] [stderr]     |
[INFO] [stderr] 340 |     let mut wfilepath: String = "".to_string();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_wfilepath` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wfilepath` is never read
[INFO] [stderr]    --> src/main.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         wfilepath = value.clone().to_string();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_firststeps` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_firststeps`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "f72086a512a813175c87becbea9a41532dc1b993c076571b28394323fef79939"`
[INFO] running `"docker" "rm" "-f" "f72086a512a813175c87becbea9a41532dc1b993c076571b28394323fef79939"`
[INFO] [stdout] f72086a512a813175c87becbea9a41532dc1b993c076571b28394323fef79939
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/itkubsa1/bprocess:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2f6294eab7bbcb6c463fa0cae146d036bfa9a1faccb69be345577e0f6264d00f
[INFO] running `"docker" "start" "-a" "2f6294eab7bbcb6c463fa0cae146d036bfa9a1faccb69be345577e0f6264d00f"`
[INFO] [stderr]    Compiling Rust-firststeps v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `parsed`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let parsed = match arg.parse::<u64>() {
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_parsed`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         Ok(n) => return Ok(()),
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `wfilepath` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:340:13
[INFO] [stderr]     |
[INFO] [stderr] 340 |     let mut wfilepath: String = "".to_string();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_wfilepath` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wfilepath` is never read
[INFO] [stderr]    --> src/main.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         wfilepath = value.clone().to_string();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust_firststeps` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_firststeps`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "2f6294eab7bbcb6c463fa0cae146d036bfa9a1faccb69be345577e0f6264d00f"`
[INFO] running `"docker" "rm" "-f" "2f6294eab7bbcb6c463fa0cae146d036bfa9a1faccb69be345577e0f6264d00f"`
[INFO] [stdout] 2f6294eab7bbcb6c463fa0cae146d036bfa9a1faccb69be345577e0f6264d00f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/itkubsa1/bprocess:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 002fe0de4bcfa47ba201ba389df9a75829f6f59f66d8e3aa3d6beb09e0d7e4c8
[INFO] running `"docker" "start" "-a" "002fe0de4bcfa47ba201ba389df9a75829f6f59f66d8e3aa3d6beb09e0d7e4c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Rust_firststeps-16d93f6437b8ea13
[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" "002fe0de4bcfa47ba201ba389df9a75829f6f59f66d8e3aa3d6beb09e0d7e4c8"`
[INFO] running `"docker" "rm" "-f" "002fe0de4bcfa47ba201ba389df9a75829f6f59f66d8e3aa3d6beb09e0d7e4c8"`
[INFO] [stdout] 002fe0de4bcfa47ba201ba389df9a75829f6f59f66d8e3aa3d6beb09e0d7e4c8