[INFO] updating cached repository ipost/flow_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ipost/flow_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ipost/flow_rs" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/ipost/flow_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/ipost/flow_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ipost/flow_rs" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/ipost/flow_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/ipost/flow_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85497e4e5cad7eeaf2544460152eddb9478f60ef
[INFO] sha for GitHub repo ipost/flow_rs: 85497e4e5cad7eeaf2544460152eddb9478f60ef
[INFO] validating manifest of ipost/flow_rs on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ipost/flow_rs on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ipost/flow_rs
[INFO] finished frobbing ipost/flow_rs
[INFO] frobbed toml for ipost/flow_rs written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/ipost/flow_rs/Cargo.toml
[INFO] started frobbing ipost/flow_rs
[INFO] finished frobbing ipost/flow_rs
[INFO] frobbed toml for ipost/flow_rs written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/ipost/flow_rs/Cargo.toml
[INFO] crate ipost/flow_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ipost/flow_rs against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-3/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/ipost/flow_rs:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2f6c1768cd55f53cdef7a61d98039fc0d957daa4563167618328b05f0435362c
[INFO] running `"docker" "start" "-a" "2f6c1768cd55f53cdef7a61d98039fc0d957daa4563167618328b05f0435362c"`
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking flowrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:66
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn dotify_all(mut pairs: Pairs<Rule>, mut id_generator: &mut Box<FnMut() -> String>) -> String {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[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:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:28
[INFO] [stderr]     |
[INFO] [stderr] 209 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn make_id_generator() -> Box<FnMut() -> String> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:288:57
[INFO] [stderr]     |
[INFO] [stderr] 288 | fn get_output_handle(file_path: Option<PathBuf>) -> Box<Write> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:66
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn dotify_all(mut pairs: Pairs<Rule>, mut id_generator: &mut Box<FnMut() -> String>) -> String {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[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:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:28
[INFO] [stderr]     |
[INFO] [stderr] 209 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn make_id_generator() -> Box<FnMut() -> String> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:288:57
[INFO] [stderr]     |
[INFO] [stderr] 288 | fn get_output_handle(file_path: Option<PathBuf>) -> Box<Write> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.70s
[INFO] running `"docker" "inspect" "2f6c1768cd55f53cdef7a61d98039fc0d957daa4563167618328b05f0435362c"`
[INFO] running `"docker" "rm" "-f" "2f6c1768cd55f53cdef7a61d98039fc0d957daa4563167618328b05f0435362c"`
[INFO] [stdout] 2f6c1768cd55f53cdef7a61d98039fc0d957daa4563167618328b05f0435362c