[INFO] updating cached repository JZHeadley/project-organizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JZHeadley/project-organizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JZHeadley/project-organizer" "work/ex/beta-1.38-1/sources/1.37.0/gh/JZHeadley/project-organizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JZHeadley/project-organizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JZHeadley/project-organizer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JZHeadley/project-organizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JZHeadley/project-organizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2e4b1b2c187159a5efcf6c75a9354638566df48
[INFO] sha for GitHub repo JZHeadley/project-organizer: e2e4b1b2c187159a5efcf6c75a9354638566df48
[INFO] validating manifest of JZHeadley/project-organizer 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 JZHeadley/project-organizer 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 JZHeadley/project-organizer
[INFO] finished frobbing JZHeadley/project-organizer
[INFO] frobbed toml for JZHeadley/project-organizer written to work/ex/beta-1.38-1/sources/1.37.0/gh/JZHeadley/project-organizer/Cargo.toml
[INFO] started frobbing JZHeadley/project-organizer
[INFO] finished frobbing JZHeadley/project-organizer
[INFO] frobbed toml for JZHeadley/project-organizer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JZHeadley/project-organizer/Cargo.toml
[INFO] crate JZHeadley/project-organizer 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 JZHeadley/project-organizer 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JZHeadley/project-organizer:/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] be12970d14f32bc57ca7450da4c59f38596c2400e8154ac3d8bd3dd104ec89ed
[INFO] running `"docker" "start" "-a" "be12970d14f32bc57ca7450da4c59f38596c2400e8154ac3d8bd3dd104ec89ed"`
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling projects v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `project_name`
[INFO] [stderr]   --> src/main.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let project_name: String = command_args.first().unwrap().to_owned();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_project_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_tags`
[INFO] [stderr]   --> src/main.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let new_tags: Vec<String> = Vec::from(&command_args[1..]);
[INFO] [stderr]    |                 ^^^^^^^^ help: consider prefixing with an underscore: `_new_tags`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let (config, mut projects): (Settings, Vec<Project>) = Projects::read_projects(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]     Finished dev [unoptimized + debuginfo] target(s) in 45.54s
[INFO] running `"docker" "inspect" "be12970d14f32bc57ca7450da4c59f38596c2400e8154ac3d8bd3dd104ec89ed"`
[INFO] running `"docker" "rm" "-f" "be12970d14f32bc57ca7450da4c59f38596c2400e8154ac3d8bd3dd104ec89ed"`
[INFO] [stdout] be12970d14f32bc57ca7450da4c59f38596c2400e8154ac3d8bd3dd104ec89ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JZHeadley/project-organizer:/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] e9640b8374e17dc00e4a7c922a209f7fabcd88b034e6e1998ce329e2e9055e07
[INFO] running `"docker" "start" "-a" "e9640b8374e17dc00e4a7c922a209f7fabcd88b034e6e1998ce329e2e9055e07"`
[INFO] [stderr]    Compiling projects v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `project_name`
[INFO] [stderr]   --> src/main.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let project_name: String = command_args.first().unwrap().to_owned();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_project_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_tags`
[INFO] [stderr]   --> src/main.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let new_tags: Vec<String> = Vec::from(&command_args[1..]);
[INFO] [stderr]    |                 ^^^^^^^^ help: consider prefixing with an underscore: `_new_tags`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let (config, mut projects): (Settings, Vec<Project>) = Projects::read_projects(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]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "e9640b8374e17dc00e4a7c922a209f7fabcd88b034e6e1998ce329e2e9055e07"`
[INFO] running `"docker" "rm" "-f" "e9640b8374e17dc00e4a7c922a209f7fabcd88b034e6e1998ce329e2e9055e07"`
[INFO] [stdout] e9640b8374e17dc00e4a7c922a209f7fabcd88b034e6e1998ce329e2e9055e07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JZHeadley/project-organizer:/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] c9783b238800b61c6a74719b809f5027bfed78eddec813274c2682b17b1cf904
[INFO] running `"docker" "start" "-a" "c9783b238800b61c6a74719b809f5027bfed78eddec813274c2682b17b1cf904"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/projects-9b96865f2ab8e72f
[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" "c9783b238800b61c6a74719b809f5027bfed78eddec813274c2682b17b1cf904"`
[INFO] running `"docker" "rm" "-f" "c9783b238800b61c6a74719b809f5027bfed78eddec813274c2682b17b1cf904"`
[INFO] [stdout] c9783b238800b61c6a74719b809f5027bfed78eddec813274c2682b17b1cf904