[INFO] updating cached repository jakubdibala/gf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jakubdibala/gf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jakubdibala/gf" "work/ex/beta-1.37-6/sources/1.36.0/gh/jakubdibala/gf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jakubdibala/gf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jakubdibala/gf" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakubdibala/gf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakubdibala/gf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 174dfcf428295a7f06a23b1605d493f5a52095d1
[INFO] sha for GitHub repo jakubdibala/gf: 174dfcf428295a7f06a23b1605d493f5a52095d1
[INFO] validating manifest of jakubdibala/gf on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jakubdibala/gf on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jakubdibala/gf
[INFO] finished frobbing jakubdibala/gf
[INFO] frobbed toml for jakubdibala/gf written to work/ex/beta-1.37-6/sources/1.36.0/gh/jakubdibala/gf/Cargo.toml
[INFO] started frobbing jakubdibala/gf
[INFO] finished frobbing jakubdibala/gf
[INFO] frobbed toml for jakubdibala/gf written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakubdibala/gf/Cargo.toml
[INFO] crate jakubdibala/gf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jakubdibala/gf against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakubdibala/gf:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bb1f0dcb7c194691dc9f7690310b6e58e3aca50fb6ded1b6849c264b4b0ca829
[INFO] running `"docker" "start" "-a" "bb1f0dcb7c194691dc9f7690310b6e58e3aca50fb6ded1b6849c264b4b0ca829"`
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.10
[INFO] [stderr]    Compiling libgit2-sys v0.7.7
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling gf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let repo = match git2::Repository::open(Path::new(REPO_PATH)) {
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Branch`
[INFO] [stderr]  --> src/repository.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Branch {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `branch_list`
[INFO] [stderr]   --> src/repository.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn branch_list(r: git2::Repository) -> Vec<Branch> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `current_branch`
[INFO] [stderr]   --> src/repository.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn current_branch(r: git2::Repository) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 30s
[INFO] running `"docker" "inspect" "bb1f0dcb7c194691dc9f7690310b6e58e3aca50fb6ded1b6849c264b4b0ca829"`
[INFO] running `"docker" "rm" "-f" "bb1f0dcb7c194691dc9f7690310b6e58e3aca50fb6ded1b6849c264b4b0ca829"`
[INFO] [stdout] bb1f0dcb7c194691dc9f7690310b6e58e3aca50fb6ded1b6849c264b4b0ca829
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakubdibala/gf:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad86458fe2a97c1026da3b0129c559548955b7bc96a1e54e36c52ec7b19fa89e
[INFO] running `"docker" "start" "-a" "ad86458fe2a97c1026da3b0129c559548955b7bc96a1e54e36c52ec7b19fa89e"`
[INFO] [stderr]    Compiling gf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let repo = match git2::Repository::open(Path::new(REPO_PATH)) {
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Branch`
[INFO] [stderr]  --> src/repository.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Branch {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `branch_list`
[INFO] [stderr]   --> src/repository.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn branch_list(r: git2::Repository) -> Vec<Branch> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `current_branch`
[INFO] [stderr]   --> src/repository.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn current_branch(r: git2::Repository) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "ad86458fe2a97c1026da3b0129c559548955b7bc96a1e54e36c52ec7b19fa89e"`
[INFO] running `"docker" "rm" "-f" "ad86458fe2a97c1026da3b0129c559548955b7bc96a1e54e36c52ec7b19fa89e"`
[INFO] [stdout] ad86458fe2a97c1026da3b0129c559548955b7bc96a1e54e36c52ec7b19fa89e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakubdibala/gf:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b2525bee1d8782e65e8d011742f5cac32e57310634da7791dfad953420d0b3c3
[INFO] running `"docker" "start" "-a" "b2525bee1d8782e65e8d011742f5cac32e57310634da7791dfad953420d0b3c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gf-9d442b3075324f0e
[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" "b2525bee1d8782e65e8d011742f5cac32e57310634da7791dfad953420d0b3c3"`
[INFO] running `"docker" "rm" "-f" "b2525bee1d8782e65e8d011742f5cac32e57310634da7791dfad953420d0b3c3"`
[INFO] [stdout] b2525bee1d8782e65e8d011742f5cac32e57310634da7791dfad953420d0b3c3