[INFO] updating cached repository tirr-c/hyeong-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tirr-c/hyeong-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tirr-c/hyeong-rs" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tirr-c/hyeong-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tirr-c/hyeong-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tirr-c/hyeong-rs" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tirr-c/hyeong-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tirr-c/hyeong-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c3427a1cc00311e63579a0bac2203ba3f222ce31
[INFO] sha for GitHub repo tirr-c/hyeong-rs: c3427a1cc00311e63579a0bac2203ba3f222ce31
[INFO] validating manifest of tirr-c/hyeong-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 tirr-c/hyeong-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 tirr-c/hyeong-rs
[INFO] finished frobbing tirr-c/hyeong-rs
[INFO] frobbed toml for tirr-c/hyeong-rs written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tirr-c/hyeong-rs/Cargo.toml
[INFO] started frobbing tirr-c/hyeong-rs
[INFO] finished frobbing tirr-c/hyeong-rs
[INFO] frobbed toml for tirr-c/hyeong-rs written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tirr-c/hyeong-rs/Cargo.toml
[INFO] crate tirr-c/hyeong-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] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tirr-c/hyeong-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 tirr-c/hyeong-rs against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tirr-c/hyeong-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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 55e9e84d836cc4ba67e42e3b662bcb8155c661d740afbb693cc7a2d391b9aac3
[INFO] running `"docker" "start" "-a" "55e9e84d836cc4ba67e42e3b662bcb8155c661d740afbb693cc7a2d391b9aac3"`
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking rshyeong v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stack.rs:130:46
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn selected_stack_mut(&mut self) -> &mut HyeongStack {
[INFO] [stderr]     |                                              ^^^^^^^^^^^ help: use `dyn`: `dyn HyeongStack`
[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/stack.rs:135:48
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn stack_mut(&mut self, id: usize) -> &mut HyeongStack {
[INFO] [stderr]     |                                                ^^^^^^^^^^^ help: use `dyn`: `dyn HyeongStack`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stack.rs:130:46
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn selected_stack_mut(&mut self) -> &mut HyeongStack {
[INFO] [stderr]     |                                              ^^^^^^^^^^^ help: use `dyn`: `dyn HyeongStack`
[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/stack.rs:135:48
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn stack_mut(&mut self, id: usize) -> &mut HyeongStack {
[INFO] [stderr]     |                                                ^^^^^^^^^^^ help: use `dyn`: `dyn HyeongStack`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:29:36
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let stdin: HyeongReadStack<Box<Read>> = if input_file == "-" {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[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:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let stdout: HyeongWriteStack<Box<Write>> = if output_file == "-" {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:29:36
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let stdin: HyeongReadStack<Box<Read>> = if input_file == "-" {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[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:43:38
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let stdout: HyeongWriteStack<Box<Write>> = if output_file == "-" {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `"docker" "inspect" "55e9e84d836cc4ba67e42e3b662bcb8155c661d740afbb693cc7a2d391b9aac3"`
[INFO] running `"docker" "rm" "-f" "55e9e84d836cc4ba67e42e3b662bcb8155c661d740afbb693cc7a2d391b9aac3"`
[INFO] [stdout] 55e9e84d836cc4ba67e42e3b662bcb8155c661d740afbb693cc7a2d391b9aac3