[INFO] updating cached repository sujanan/rba_manager
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sujanan/rba_manager
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sujanan/rba_manager" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sujanan/rba_manager"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sujanan/rba_manager'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sujanan/rba_manager" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sujanan/rba_manager"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sujanan/rba_manager'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85331c242974cbb53af2140093c112b341fbe6e5
[INFO] sha for GitHub repo sujanan/rba_manager: 85331c242974cbb53af2140093c112b341fbe6e5
[INFO] validating manifest of sujanan/rba_manager on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sujanan/rba_manager on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sujanan/rba_manager
[INFO] finished frobbing sujanan/rba_manager
[INFO] frobbed toml for sujanan/rba_manager written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sujanan/rba_manager/Cargo.toml
[INFO] started frobbing sujanan/rba_manager
[INFO] finished frobbing sujanan/rba_manager
[INFO] frobbed toml for sujanan/rba_manager written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sujanan/rba_manager/Cargo.toml
[INFO] crate sujanan/rba_manager already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sujanan/rba_manager against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sujanan/rba_manager:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 36765d3536d15b60e9ef41a96bcbf1c2832a4af10822f3c869d72d0410345d9a
[INFO] running `"docker" "start" "-a" "36765d3536d15b60e9ef41a96bcbf1c2832a4af10822f3c869d72d0410345d9a"`
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking rba_manager v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/commands/config.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn exec(args: &[String]) {
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]  --> src/commands/help.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn exec(args: &[String]) {}
[INFO] [stderr]   |             ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/api.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 | /         rv.validate().map_err(|error| {
[INFO] [stderr] 127 | |             panic!("error: 'ApiConfig' failed to invalid property: {}", error);
[INFO] [stderr] 128 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/commands/config.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         fs::create_dir(config_path.as_path()).map_err(|error| {
[INFO] [stderr] 22 | |             panic!(
[INFO] [stderr] 23 | |                 "error: creating '{}' failed: {}",
[INFO] [stderr] 24 | |                 config_path.display(),
[INFO] [stderr] 25 | |                 error
[INFO] [stderr] 26 | |             );
[INFO] [stderr] 27 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/commands/config.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         toml.write_all(as_toml.as_bytes());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/commands/config.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     io::stdout().flush();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/commands/config.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn exec(args: &[String]) {
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]  --> src/commands/help.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn exec(args: &[String]) {}
[INFO] [stderr]   |             ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/api.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 | /         rv.validate().map_err(|error| {
[INFO] [stderr] 127 | |             panic!("error: 'ApiConfig' failed to invalid property: {}", error);
[INFO] [stderr] 128 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/commands/config.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         fs::create_dir(config_path.as_path()).map_err(|error| {
[INFO] [stderr] 22 | |             panic!(
[INFO] [stderr] 23 | |                 "error: creating '{}' failed: {}",
[INFO] [stderr] 24 | |                 config_path.display(),
[INFO] [stderr] 25 | |                 error
[INFO] [stderr] 26 | |             );
[INFO] [stderr] 27 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/commands/config.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         toml.write_all(as_toml.as_bytes());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/commands/config.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     io::stdout().flush();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.21s
[INFO] running `"docker" "inspect" "36765d3536d15b60e9ef41a96bcbf1c2832a4af10822f3c869d72d0410345d9a"`
[INFO] running `"docker" "rm" "-f" "36765d3536d15b60e9ef41a96bcbf1c2832a4af10822f3c869d72d0410345d9a"`
[INFO] [stdout] 36765d3536d15b60e9ef41a96bcbf1c2832a4af10822f3c869d72d0410345d9a