[INFO] updating cached repository worldcreate/docker-ctl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/worldcreate/docker-ctl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/worldcreate/docker-ctl" "work/ex/beta-1.38-1/sources/1.37.0/gh/worldcreate/docker-ctl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/worldcreate/docker-ctl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/worldcreate/docker-ctl" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/worldcreate/docker-ctl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/worldcreate/docker-ctl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39bb2a20df408fc4b02e6fd4bcc89f90a22dd137
[INFO] sha for GitHub repo worldcreate/docker-ctl: 39bb2a20df408fc4b02e6fd4bcc89f90a22dd137
[INFO] validating manifest of worldcreate/docker-ctl 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 worldcreate/docker-ctl 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 worldcreate/docker-ctl
[INFO] finished frobbing worldcreate/docker-ctl
[INFO] frobbed toml for worldcreate/docker-ctl written to work/ex/beta-1.38-1/sources/1.37.0/gh/worldcreate/docker-ctl/Cargo.toml
[INFO] started frobbing worldcreate/docker-ctl
[INFO] finished frobbing worldcreate/docker-ctl
[INFO] frobbed toml for worldcreate/docker-ctl written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/worldcreate/docker-ctl/Cargo.toml
[INFO] crate worldcreate/docker-ctl 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 worldcreate/docker-ctl 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/worldcreate/docker-ctl:/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] 1a6e016c0d3f7e5a5a8d11ddf4f9f7cd18789edf773d8bab339feb2eedb0c66e
[INFO] running `"docker" "start" "-a" "1a6e016c0d3f7e5a5a8d11ddf4f9f7cd18789edf773d8bab339feb2eedb0c66e"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling docker-ctl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `is_verbose`
[INFO] [stderr]   --> src/docker_ctl/docker_ctl.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let is_verbose = matches.is_present("v");
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_is_verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.39s
[INFO] running `"docker" "inspect" "1a6e016c0d3f7e5a5a8d11ddf4f9f7cd18789edf773d8bab339feb2eedb0c66e"`
[INFO] running `"docker" "rm" "-f" "1a6e016c0d3f7e5a5a8d11ddf4f9f7cd18789edf773d8bab339feb2eedb0c66e"`
[INFO] [stdout] 1a6e016c0d3f7e5a5a8d11ddf4f9f7cd18789edf773d8bab339feb2eedb0c66e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/worldcreate/docker-ctl:/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] 8b303666119813c7dbc63b844167b8ce46219197eff4c170a567262275ade04e
[INFO] running `"docker" "start" "-a" "8b303666119813c7dbc63b844167b8ce46219197eff4c170a567262275ade04e"`
[INFO] [stderr]    Compiling docker-ctl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `is_verbose`
[INFO] [stderr]   --> src/docker_ctl/docker_ctl.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let is_verbose = matches.is_present("v");
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_is_verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "8b303666119813c7dbc63b844167b8ce46219197eff4c170a567262275ade04e"`
[INFO] running `"docker" "rm" "-f" "8b303666119813c7dbc63b844167b8ce46219197eff4c170a567262275ade04e"`
[INFO] [stdout] 8b303666119813c7dbc63b844167b8ce46219197eff4c170a567262275ade04e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/worldcreate/docker-ctl:/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] 70acb2765baa7d2939cf973d4ecda83ad4cc31b9853e68781dae39beed05daec
[INFO] running `"docker" "start" "-a" "70acb2765baa7d2939cf973d4ecda83ad4cc31b9853e68781dae39beed05daec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/docker_ctl-ae8b79a20171329f
[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" "70acb2765baa7d2939cf973d4ecda83ad4cc31b9853e68781dae39beed05daec"`
[INFO] running `"docker" "rm" "-f" "70acb2765baa7d2939cf973d4ecda83ad4cc31b9853e68781dae39beed05daec"`
[INFO] [stdout] 70acb2765baa7d2939cf973d4ecda83ad4cc31b9853e68781dae39beed05daec