[INFO] updating cached repository djhworld/zipit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/djhworld/zipit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/djhworld/zipit" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/djhworld/zipit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/djhworld/zipit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/djhworld/zipit" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/djhworld/zipit"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/djhworld/zipit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52656bab98db2160e8d83c614ecf9690885b1a69
[INFO] sha for GitHub repo djhworld/zipit: 52656bab98db2160e8d83c614ecf9690885b1a69
[INFO] validating manifest of djhworld/zipit on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of djhworld/zipit on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing djhworld/zipit
[INFO] finished frobbing djhworld/zipit
[INFO] frobbed toml for djhworld/zipit written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/djhworld/zipit/Cargo.toml
[INFO] started frobbing djhworld/zipit
[INFO] finished frobbing djhworld/zipit
[INFO] frobbed toml for djhworld/zipit written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/djhworld/zipit/Cargo.toml
[INFO] crate djhworld/zipit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking djhworld/zipit against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/djhworld/zipit:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e815c23a6660fd4b1c010cd654e95da715969d8f9428ff12eec5ce1c0c8e4119
[INFO] running `"docker" "start" "-a" "e815c23a6660fd4b1c010cd654e95da715969d8f9428ff12eec5ce1c0c8e4119"`
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking zipit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |     writer: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[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/zipper/render.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(writer: Box<Write>) -> JsonOuput {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |     writer: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn new(writer: Box<Write>) -> TabbedOutput {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/zipper/mod.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:65
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn open_file_as_line_reader(file: &str) -> Result<BufReader<Box<Read>>> {
[INFO] [stderr]    |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let buffer = BufReader::new(Box::new(f) as Box<Read>);
[INFO] [stderr]    |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn open_stdin_as_line_reader() -> Result<BufReader<Box<Read>>> {
[INFO] [stderr]    |                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:61
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let buffer = BufReader::new(Box::new(stdin_lock) as Box<Read>);
[INFO] [stderr]    |                                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let reader_right: BufReader<Box<Read>> = match &opt.right_file {
[INFO] [stderr]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let renderer: Box<&mut ZipOutput> = match opt.json {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let zipper: Box<Zipper> = match opt.cycle {
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Zipper`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |     writer: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[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/zipper/render.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(writer: Box<Write>) -> JsonOuput {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |     writer: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn new(writer: Box<Write>) -> TabbedOutput {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/zipper/mod.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:65
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn open_file_as_line_reader(file: &str) -> Result<BufReader<Box<Read>>> {
[INFO] [stderr]    |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let buffer = BufReader::new(Box::new(f) as Box<Read>);
[INFO] [stderr]    |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn open_stdin_as_line_reader() -> Result<BufReader<Box<Read>>> {
[INFO] [stderr]    |                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:61
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let buffer = BufReader::new(Box::new(stdin_lock) as Box<Read>);
[INFO] [stderr]    |                                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let reader_right: BufReader<Box<Read>> = match &opt.right_file {
[INFO] [stderr]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let renderer: Box<&mut ZipOutput> = match opt.json {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let zipper: Box<Zipper> = match opt.cycle {
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Zipper`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.95s
[INFO] running `"docker" "inspect" "e815c23a6660fd4b1c010cd654e95da715969d8f9428ff12eec5ce1c0c8e4119"`
[INFO] running `"docker" "rm" "-f" "e815c23a6660fd4b1c010cd654e95da715969d8f9428ff12eec5ce1c0c8e4119"`
[INFO] [stdout] e815c23a6660fd4b1c010cd654e95da715969d8f9428ff12eec5ce1c0c8e4119