[INFO] updating cached repository sebglazebrook/rust-shell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sebglazebrook/rust-shell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sebglazebrook/rust-shell" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sebglazebrook/rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sebglazebrook/rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sebglazebrook/rust-shell" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sebglazebrook/rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sebglazebrook/rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed6285943a472e1569bd3c198b0dd64e84e1ecf6
[INFO] sha for GitHub repo sebglazebrook/rust-shell: ed6285943a472e1569bd3c198b0dd64e84e1ecf6
[INFO] validating manifest of sebglazebrook/rust-shell on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sebglazebrook/rust-shell on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sebglazebrook/rust-shell
[INFO] finished frobbing sebglazebrook/rust-shell
[INFO] frobbed toml for sebglazebrook/rust-shell written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sebglazebrook/rust-shell/Cargo.toml
[INFO] started frobbing sebglazebrook/rust-shell
[INFO] finished frobbing sebglazebrook/rust-shell
[INFO] frobbed toml for sebglazebrook/rust-shell written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sebglazebrook/rust-shell/Cargo.toml
[INFO] crate sebglazebrook/rust-shell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sebglazebrook/rust-shell against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-3/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sebglazebrook/rust-shell:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cec771fda5a7c208724d1abc7ab3920ba9bd82f80d04fe23d0de7b709f7c6f09
[INFO] running `"docker" "start" "-a" "cec771fda5a7c208724d1abc7ab3920ba9bd82f80d04fe23d0de7b709f7c6f09"`
[INFO] [stderr]     Checking rust-shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `command_string`
[INFO] [stderr]  --> src/lib.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn parse(&self, command_string: &str) -> CommandProxy {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_command_string`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Parser;
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn parse(&self, command_string: &str) -> CommandProxy {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CommandProxy`
[INFO] [stderr]   --> src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct CommandProxy<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn name(&mut self, name: &'a str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command_string`
[INFO] [stderr]  --> src/lib.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn parse(&self, command_string: &str) -> CommandProxy {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_command_string`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "cec771fda5a7c208724d1abc7ab3920ba9bd82f80d04fe23d0de7b709f7c6f09"`
[INFO] running `"docker" "rm" "-f" "cec771fda5a7c208724d1abc7ab3920ba9bd82f80d04fe23d0de7b709f7c6f09"`
[INFO] [stdout] cec771fda5a7c208724d1abc7ab3920ba9bd82f80d04fe23d0de7b709f7c6f09