[INFO] cloning repository https://github.com/nthery/hexdump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nthery/hexdump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthery%2Fhexdump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthery%2Fhexdump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9376dea74086b7f589c25c3a29b353bf402c26d9
[INFO] testing nthery/hexdump against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthery%2Fhexdump" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nthery/hexdump on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nthery/hexdump
[INFO] finished tweaking git repo https://github.com/nthery/hexdump
[INFO] tweaked toml for git repo https://github.com/nthery/hexdump written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/nthery/hexdump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.5
[INFO] [stderr]   Downloaded cc v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2f2d182a352750f7cb349c2a925de205d2eb34aeab1991fb4821c426e161585
[INFO] running `Command { std: "docker" "start" "-a" "d2f2d182a352750f7cb349c2a925de205d2eb34aeab1991fb4821c426e161585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f2d182a352750f7cb349c2a925de205d2eb34aeab1991fb4821c426e161585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f2d182a352750f7cb349c2a925de205d2eb34aeab1991fb4821c426e161585", kill_on_drop: false }`
[INFO] [stdout] d2f2d182a352750f7cb349c2a925de205d2eb34aeab1991fb4821c426e161585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153aa7eaeaf1cfad1245e6fb1629aef7d3d7ab06f06030a9f81722f4f5199750
[INFO] running `Command { std: "docker" "start" "-a" "153aa7eaeaf1cfad1245e6fb1629aef7d3d7ab06f06030a9f81722f4f5199750", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling hexdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn read_up_to<'a>(rd: &mut Read, buf: &'a mut [u8]) -> Result<&'a [u8]> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn print_line(wr: &mut Write, buf: &[u8], width: usize) -> Result<()> {
[INFO] [stdout]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:37
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.90s
[INFO] running `Command { std: "docker" "inspect" "153aa7eaeaf1cfad1245e6fb1629aef7d3d7ab06f06030a9f81722f4f5199750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153aa7eaeaf1cfad1245e6fb1629aef7d3d7ab06f06030a9f81722f4f5199750", kill_on_drop: false }`
[INFO] [stdout] 153aa7eaeaf1cfad1245e6fb1629aef7d3d7ab06f06030a9f81722f4f5199750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9282f5b457a0965f9f79bb771391831fd3a57f2eb5f55c5b72661be87b936801
[INFO] running `Command { std: "docker" "start" "-a" "9282f5b457a0965f9f79bb771391831fd3a57f2eb5f55c5b72661be87b936801", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn read_up_to<'a>(rd: &mut Read, buf: &'a mut [u8]) -> Result<&'a [u8]> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hexdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn print_line(wr: &mut Write, buf: &[u8], width: usize) -> Result<()> {
[INFO] [stdout]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:37
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn read_up_to<'a>(rd: &mut Read, buf: &'a mut [u8]) -> Result<&'a [u8]> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn print_line(wr: &mut Write, buf: &[u8], width: usize) -> Result<()> {
[INFO] [stdout]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:100:37
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "9282f5b457a0965f9f79bb771391831fd3a57f2eb5f55c5b72661be87b936801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9282f5b457a0965f9f79bb771391831fd3a57f2eb5f55c5b72661be87b936801", kill_on_drop: false }`
[INFO] [stdout] 9282f5b457a0965f9f79bb771391831fd3a57f2eb5f55c5b72661be87b936801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b6265d9692582ab38147f62040ad2ad136455195070981af9767690a38aa327
[INFO] running `Command { std: "docker" "start" "-a" "8b6265d9692582ab38147f62040ad2ad136455195070981af9767690a38aa327", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 49 | fn read_up_to<'a>(rd: &mut Read, buf: &'a mut [u8]) -> Result<&'a [u8]> {
[INFO] [stdout] 
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn print_line(wr: &mut Write, buf: &[u8], width: usize) -> Result<()> {
[INFO] [stderr]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:100:22
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stderr]     |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:100:37
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `hexdump` (lib) generated 4 warnings
[INFO] [stderr] warning: `hexdump` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hexdump-5d62c83c71f7832e)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hexdump-bf3c6d29b2fb15a3)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hexdump.rs (/opt/rustwide/target/debug/deps/hexdump-28f23b3609f5145f)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test dump_one_byte_when_width_greater ... ok
[INFO] [stdout] test dump_one_byte ... ok
[INFO] [stderr]    Doc-tests hexdump
[INFO] [stdout] test dump_empty_input ... ok
[INFO] [stdout] test dump_two_bytes_on_two_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b6265d9692582ab38147f62040ad2ad136455195070981af9767690a38aa327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6265d9692582ab38147f62040ad2ad136455195070981af9767690a38aa327", kill_on_drop: false }`
[INFO] [stdout] 8b6265d9692582ab38147f62040ad2ad136455195070981af9767690a38aa327