[INFO] updating cached repository veandco/git-ez
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/veandco/git-ez
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/veandco/git-ez" "work/ex/beta-1.38-1/sources/1.37.0/gh/veandco/git-ez"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/veandco/git-ez'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/veandco/git-ez" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/veandco/git-ez"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/veandco/git-ez'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08ff4cd3007b7082e76b104ed78bcde2bfe79748
[INFO] sha for GitHub repo veandco/git-ez: 08ff4cd3007b7082e76b104ed78bcde2bfe79748
[INFO] validating manifest of veandco/git-ez 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 veandco/git-ez 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 veandco/git-ez
[INFO] finished frobbing veandco/git-ez
[INFO] frobbed toml for veandco/git-ez written to work/ex/beta-1.38-1/sources/1.37.0/gh/veandco/git-ez/Cargo.toml
[INFO] started frobbing veandco/git-ez
[INFO] finished frobbing veandco/git-ez
[INFO] frobbed toml for veandco/git-ez written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/veandco/git-ez/Cargo.toml
[INFO] crate veandco/git-ez 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] [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 veandco/git-ez 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-6/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/veandco/git-ez:/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] 5bee03f776d9da7b73bd3e97c5d7b987c90721f446042ed1397e404ce2bbd68f
[INFO] running `"docker" "start" "-a" "5bee03f776d9da7b73bd3e97c5d7b987c90721f446042ed1397e404ce2bbd68f"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling dirs v1.0.3
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.5
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling git-ez v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             let mut user = matching_user_from_config(name, email, &mut config);
[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/main.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |             if let Some(mut user) = user {
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.59s
[INFO] running `"docker" "inspect" "5bee03f776d9da7b73bd3e97c5d7b987c90721f446042ed1397e404ce2bbd68f"`
[INFO] running `"docker" "rm" "-f" "5bee03f776d9da7b73bd3e97c5d7b987c90721f446042ed1397e404ce2bbd68f"`
[INFO] [stdout] 5bee03f776d9da7b73bd3e97c5d7b987c90721f446042ed1397e404ce2bbd68f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/veandco/git-ez:/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] b7a6a941f16f19d3fa952d505abaa1696da9057d319fa3c1d2131b5762288aca
[INFO] running `"docker" "start" "-a" "b7a6a941f16f19d3fa952d505abaa1696da9057d319fa3c1d2131b5762288aca"`
[INFO] [stderr]    Compiling git-ez v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |             let mut user = matching_user_from_config(name, email, &mut config);
[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/main.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |             if let Some(mut user) = user {
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "b7a6a941f16f19d3fa952d505abaa1696da9057d319fa3c1d2131b5762288aca"`
[INFO] running `"docker" "rm" "-f" "b7a6a941f16f19d3fa952d505abaa1696da9057d319fa3c1d2131b5762288aca"`
[INFO] [stdout] b7a6a941f16f19d3fa952d505abaa1696da9057d319fa3c1d2131b5762288aca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/veandco/git-ez:/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] 549ede4d757f9d51289c7319dda21994ed9c8b443fa3b358a434125b24939f26
[INFO] running `"docker" "start" "-a" "549ede4d757f9d51289c7319dda21994ed9c8b443fa3b358a434125b24939f26"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/git_ez-7afa6af49b9c7c82
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_print_cats ... ok
[INFO] [stdout] test test_current_ip_address ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "549ede4d757f9d51289c7319dda21994ed9c8b443fa3b358a434125b24939f26"`
[INFO] running `"docker" "rm" "-f" "549ede4d757f9d51289c7319dda21994ed9c8b443fa3b358a434125b24939f26"`
[INFO] [stdout] 549ede4d757f9d51289c7319dda21994ed9c8b443fa3b358a434125b24939f26