[INFO] updating cached repository utgwkk/rust-shell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/utgwkk/rust-shell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/utgwkk/rust-shell" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/utgwkk/rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/utgwkk/rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/utgwkk/rust-shell" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/utgwkk/rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/utgwkk/rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 563a29d810588a7570f376458e1dba60acf13ca8
[INFO] sha for GitHub repo utgwkk/rust-shell: 563a29d810588a7570f376458e1dba60acf13ca8
[INFO] validating manifest of utgwkk/rust-shell on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of utgwkk/rust-shell on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing utgwkk/rust-shell
[INFO] finished frobbing utgwkk/rust-shell
[INFO] frobbed toml for utgwkk/rust-shell written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/utgwkk/rust-shell/Cargo.toml
[INFO] started frobbing utgwkk/rust-shell
[INFO] finished frobbing utgwkk/rust-shell
[INFO] frobbed toml for utgwkk/rust-shell written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/utgwkk/rust-shell/Cargo.toml
[INFO] crate utgwkk/rust-shell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking utgwkk/rust-shell against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/utgwkk/rust-shell:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21d2dc905bb52f157fc3e1a7c4b39b92d33b09b1b11be8311ab78de9cc413430
[INFO] running `"docker" "start" "-a" "21d2dc905bb52f157fc3e1a7c4b39b92d33b09b1b11be8311ab78de9cc413430"`
[INFO] [stderr]     Checking rust-shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn builtin_cd(args: &mut Iterator<Item = &str>) -> i32 {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn builtin_ls(args: &mut Iterator<Item = &str>) -> i32 {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:45
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn do_command(command: &str, mut args: &mut Iterator<Item = &str>) -> i32 {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:36
[INFO] [stderr]    |
[INFO] [stderr] 49 |             ("cd", &builtin_cd as &Fn(&mut Iterator<Item = &str>) -> i32),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Iterator<Item = &str>) -> i32`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:44
[INFO] [stderr]    |
[INFO] [stderr] 49 |             ("cd", &builtin_cd as &Fn(&mut Iterator<Item = &str>) -> i32),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn builtin_cd(args: &mut Iterator<Item = &str>) -> i32 {
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn builtin_ls(args: &mut Iterator<Item = &str>) -> i32 {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:45
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn do_command(command: &str, mut args: &mut Iterator<Item = &str>) -> i32 {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:36
[INFO] [stderr]    |
[INFO] [stderr] 49 |             ("cd", &builtin_cd as &Fn(&mut Iterator<Item = &str>) -> i32),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Iterator<Item = &str>) -> i32`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:44
[INFO] [stderr]    |
[INFO] [stderr] 49 |             ("cd", &builtin_cd as &Fn(&mut Iterator<Item = &str>) -> i32),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &str>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "21d2dc905bb52f157fc3e1a7c4b39b92d33b09b1b11be8311ab78de9cc413430"`
[INFO] running `"docker" "rm" "-f" "21d2dc905bb52f157fc3e1a7c4b39b92d33b09b1b11be8311ab78de9cc413430"`
[INFO] [stdout] 21d2dc905bb52f157fc3e1a7c4b39b92d33b09b1b11be8311ab78de9cc413430