[INFO] updating cached repository buckhx/git-bump
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/buckhx/git-bump
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/buckhx/git-bump" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/buckhx/git-bump"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/buckhx/git-bump'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/buckhx/git-bump" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/buckhx/git-bump"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/buckhx/git-bump'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b6a636c0eaf558e3b0ecf9b3d5ffb47d9f661d5
[INFO] sha for GitHub repo buckhx/git-bump: 4b6a636c0eaf558e3b0ecf9b3d5ffb47d9f661d5
[INFO] validating manifest of buckhx/git-bump on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of buckhx/git-bump on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing buckhx/git-bump
[INFO] finished frobbing buckhx/git-bump
[INFO] frobbed toml for buckhx/git-bump written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/buckhx/git-bump/Cargo.toml
[INFO] started frobbing buckhx/git-bump
[INFO] finished frobbing buckhx/git-bump
[INFO] frobbed toml for buckhx/git-bump written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/buckhx/git-bump/Cargo.toml
[INFO] crate buckhx/git-bump has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing buckhx/git-bump against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/buckhx/git-bump:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 6abcfd9332982cfda1d7acb4dd755a84c1c4181e8ac0b55fdd6a225ee7f4cc89
[INFO] running `"docker" "start" "-a" "6abcfd9332982cfda1d7acb4dd755a84c1c4181e8ac0b55fdd6a225ee7f4cc89"`
[INFO] [stderr]    Compiling yaml-rust v0.3.4
[INFO] [stderr]    Compiling cmake v0.1.18
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling curl-sys v0.3.4
[INFO] [stderr]    Compiling libssh2-sys v0.2.3
[INFO] [stderr]    Compiling libgit2-sys v0.6.2
[INFO] [stderr]    Compiling clap v2.18.0
[INFO] [stderr]    Compiling git2 v0.6.0
[INFO] [stderr]    Compiling git-bump v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `push_tags`
[INFO] [stderr]  --> src/main.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | use bump::{Version, ReleaseType, push_tags};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFSPECS`
[INFO] [stderr]  --> src/bump.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const REFSPECS: &'static str = "refs/tags/*:refs/tags/*";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `push_tags`
[INFO] [stderr]    --> src/bump.rs:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn push_tags(path: &str, remote: &str) -> Result<(), String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 41s
[INFO] running `"docker" "inspect" "6abcfd9332982cfda1d7acb4dd755a84c1c4181e8ac0b55fdd6a225ee7f4cc89"`
[INFO] running `"docker" "rm" "-f" "6abcfd9332982cfda1d7acb4dd755a84c1c4181e8ac0b55fdd6a225ee7f4cc89"`
[INFO] [stdout] 6abcfd9332982cfda1d7acb4dd755a84c1c4181e8ac0b55fdd6a225ee7f4cc89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/buckhx/git-bump:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51530f936d4ddfe109df52ce8f41a012b6aabccf700352d88f999c6c7fdbe5e1
[INFO] running `"docker" "start" "-a" "51530f936d4ddfe109df52ce8f41a012b6aabccf700352d88f999c6c7fdbe5e1"`
[INFO] [stderr]    Compiling git-bump v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `push_tags`
[INFO] [stderr]  --> src/main.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | use bump::{Version, ReleaseType, push_tags};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REFSPECS`
[INFO] [stderr]  --> src/bump.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const REFSPECS: &'static str = "refs/tags/*:refs/tags/*";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `push_tags`
[INFO] [stderr]    --> src/bump.rs:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn push_tags(path: &str, remote: &str) -> Result<(), String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "51530f936d4ddfe109df52ce8f41a012b6aabccf700352d88f999c6c7fdbe5e1"`
[INFO] running `"docker" "rm" "-f" "51530f936d4ddfe109df52ce8f41a012b6aabccf700352d88f999c6c7fdbe5e1"`
[INFO] [stdout] 51530f936d4ddfe109df52ce8f41a012b6aabccf700352d88f999c6c7fdbe5e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/buckhx/git-bump:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c0b16223f2eacc0649b179a42c7749f5c4bf5229737b6a3319db2f26ce4db06b
[INFO] running `"docker" "start" "-a" "c0b16223f2eacc0649b179a42c7749f5c4bf5229737b6a3319db2f26ce4db06b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/git_bump-1d285b248a14b72b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bump::tests::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c0b16223f2eacc0649b179a42c7749f5c4bf5229737b6a3319db2f26ce4db06b"`
[INFO] running `"docker" "rm" "-f" "c0b16223f2eacc0649b179a42c7749f5c4bf5229737b6a3319db2f26ce4db06b"`
[INFO] [stdout] c0b16223f2eacc0649b179a42c7749f5c4bf5229737b6a3319db2f26ce4db06b