[INFO] cloning repository iamcodemaker/rust-wc
[INFO] running `"git" "clone" "--bare" "git://github.com/iamcodemaker/rust-wc.git" "work/cache/sources/gh/iamcodemaker/rust-wc"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/iamcodemaker/rust-wc'...
[INFO] running `"git" "clone" "work/cache/sources/gh/iamcodemaker/rust-wc" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/iamcodemaker/rust-wc"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/iamcodemaker/rust-wc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iamcodemaker/rust-wc" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iamcodemaker/rust-wc"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iamcodemaker/rust-wc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a52c47ba2326da5e718e56fef31de5ec70ed4497
[INFO] sha for GitHub repo iamcodemaker/rust-wc: a52c47ba2326da5e718e56fef31de5ec70ed4497
[INFO] validating manifest of iamcodemaker/rust-wc on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iamcodemaker/rust-wc on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iamcodemaker/rust-wc
[INFO] finished frobbing iamcodemaker/rust-wc
[INFO] frobbed toml for iamcodemaker/rust-wc written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/iamcodemaker/rust-wc/Cargo.toml
[INFO] started frobbing iamcodemaker/rust-wc
[INFO] finished frobbing iamcodemaker/rust-wc
[INFO] frobbed toml for iamcodemaker/rust-wc written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iamcodemaker/rust-wc/Cargo.toml
[INFO] crate iamcodemaker/rust-wc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/iamcodemaker/rust-wc/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iamcodemaker/rust-wc against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iamcodemaker/rust-wc:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 8c5b655abe3f2117a390dad6b4b56053538199e3f60b2fd3da148a3a8638d320
[INFO] running `"docker" "start" "-a" "8c5b655abe3f2117a390dad6b4b56053538199e3f60b2fd3da148a3a8638d320"`
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling rust-wc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn bytes_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/counter/count.rs:43:61
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lines_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn from_stdin() -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:88:52
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn from_iter<I>(bytes: I) -> Result<Count, Box<Error>>
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[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/main.rs:51:94
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:66
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn process_file(opts: &Options, file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `"docker" "inspect" "8c5b655abe3f2117a390dad6b4b56053538199e3f60b2fd3da148a3a8638d320"`
[INFO] running `"docker" "rm" "-f" "8c5b655abe3f2117a390dad6b4b56053538199e3f60b2fd3da148a3a8638d320"`
[INFO] [stdout] 8c5b655abe3f2117a390dad6b4b56053538199e3f60b2fd3da148a3a8638d320
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iamcodemaker/rust-wc:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3c84015394eb6eb540bc1b71429764c89d9ad78ead2fc1cbff3dfbb0d32b708f
[INFO] running `"docker" "start" "-a" "3c84015394eb6eb540bc1b71429764c89d9ad78ead2fc1cbff3dfbb0d32b708f"`
[INFO] [stderr]    Compiling rust-wc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[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/main.rs:51:94
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:66
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn process_file(opts: &Options, file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn bytes_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/counter/count.rs:43:61
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lines_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn from_stdin() -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:88:52
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn from_iter<I>(bytes: I) -> Result<Count, Box<Error>>
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "3c84015394eb6eb540bc1b71429764c89d9ad78ead2fc1cbff3dfbb0d32b708f"`
[INFO] running `"docker" "rm" "-f" "3c84015394eb6eb540bc1b71429764c89d9ad78ead2fc1cbff3dfbb0d32b708f"`
[INFO] [stdout] 3c84015394eb6eb540bc1b71429764c89d9ad78ead2fc1cbff3dfbb0d32b708f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iamcodemaker/rust-wc:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 770f6c2691f5031d5113619950867450c0c418fd4233a17327c1ee99af7c5db4
[INFO] running `"docker" "start" "-a" "770f6c2691f5031d5113619950867450c0c418fd4233a17327c1ee99af7c5db4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wc-cedbe53a7db6d48d
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test counter::count::tests::one_word ... ok
[INFO] [stdout] test counter::count::tests::one_word_no_newline ... ok
[INFO] [stdout] test counter::count::tests::words_and_whitespace ... ok
[INFO] [stdout] test counter::count::tests::unicode ... ok
[INFO] [stdout] test counter::count::tests::line_length ... ok
[INFO] [stdout] test counter::display::tests::everything ... ok
[INFO] [stdout] test counter::display::tests::everything_fields ... ok
[INFO] [stdout] test counter::display::tests::multiple_files ... ok
[INFO] [stdout] test counter::display::tests::everything_fields_long ... ok
[INFO] [stdout] test options::tests::args_bytes ... ok
[INFO] [stdout] test options::tests::args_lines_and_bytes_short ... ok
[INFO] [stdout] test options::tests::args_lines_short ... ok
[INFO] [stdout] test options::tests::args_lines_long ... ok
[INFO] [stdout] test options::tests::files0_from_no_null_term ... ok
[INFO] [stdout] test options::tests::files0_from_null_term ... ok
[INFO] [stdout] test options::tests::files0_from_one_item ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wc-8412f43a0a626155
[INFO] [stdout] test options::tests::files0_from_empty ... ok
[INFO] [stdout] test options::tests::defaults ... ok
[INFO] [stdout] test options::tests::files0_from_with_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-wc
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "770f6c2691f5031d5113619950867450c0c418fd4233a17327c1ee99af7c5db4"`
[INFO] running `"docker" "rm" "-f" "770f6c2691f5031d5113619950867450c0c418fd4233a17327c1ee99af7c5db4"`
[INFO] [stdout] 770f6c2691f5031d5113619950867450c0c418fd4233a17327c1ee99af7c5db4