[INFO] crate hx 0.2.1 is already in cache
[INFO] testing hx-0.2.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate hx 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hx 0.2.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hx 0.2.1
[INFO] finished tweaking crates.io crate hx 0.2.1
[INFO] tweaked toml for crates.io crate hx 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a78c8c4e26f506f8ab85412d5c51c748a846cbe989a1672fcb54c11e284bd4c8
[INFO] running `"docker" "start" "-a" "a78c8c4e26f506f8ab85412d5c51c748a846cbe989a1672fcb54c11e284bd4c8"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling hx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.97s
[INFO] running `"docker" "inspect" "a78c8c4e26f506f8ab85412d5c51c748a846cbe989a1672fcb54c11e284bd4c8"`
[INFO] running `"docker" "rm" "-f" "a78c8c4e26f506f8ab85412d5c51c748a846cbe989a1672fcb54c11e284bd4c8"`
[INFO] [stdout] a78c8c4e26f506f8ab85412d5c51c748a846cbe989a1672fcb54c11e284bd4c8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4674621363a5f65954c2fdb43e31c996f00c819241ab746e9e75590ee3faa48d
[INFO] running `"docker" "start" "-a" "4674621363a5f65954c2fdb43e31c996f00c819241ab746e9e75590ee3faa48d"`
[INFO] [stderr]    Compiling hx v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "4674621363a5f65954c2fdb43e31c996f00c819241ab746e9e75590ee3faa48d"`
[INFO] running `"docker" "rm" "-f" "4674621363a5f65954c2fdb43e31c996f00c819241ab746e9e75590ee3faa48d"`
[INFO] [stdout] 4674621363a5f65954c2fdb43e31c996f00c819241ab746e9e75590ee3faa48d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01f88fe1d4bf7217954562767bddfe30cda8d90a7a1a04c8dfbb6d19c2272c11
[INFO] running `"docker" "start" "-a" "01f88fe1d4bf7217954562767bddfe30cda8d90a7a1a04c8dfbb6d19c2272c11"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:51
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn run(matches: ArgMatches) -> Result<(), Box<::std::error::Error>> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/lib.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     buf: &mut Read,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:23
[INFO] [stderr]     |
[INFO] [stderr] 352 | ) -> Result<Page, Box<::std::error::Error>> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |             let mut array_format = array;
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |             let mut page = buf_to_array(&mut buf, buf_len, column_width).unwrap();
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hx-1c47e5733d08d1a8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_hex_octal ... ok
[INFO] [stdout] test tests::test_hex_binary ... ok
[INFO] [stdout] test tests::test_hex_lower_hex ... ok
[INFO] [stdout] test tests::test_offset ... ok
[INFO] [stdout] test tests::test_hex_upper_hex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hx-46f04d9a311fd16d
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lib::tests::test_hex_octal ... ok
[INFO] [stderr]    Doc-tests hx
[INFO] [stdout] test lib::tests::test_hex_lower_hex ... ok
[INFO] [stdout] test lib::tests::test_hex_upper_hex ... ok
[INFO] [stdout] test lib::tests::test_hex_binary ... ok
[INFO] [stdout] test lib::tests::test_offset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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" "01f88fe1d4bf7217954562767bddfe30cda8d90a7a1a04c8dfbb6d19c2272c11"`
[INFO] running `"docker" "rm" "-f" "01f88fe1d4bf7217954562767bddfe30cda8d90a7a1a04c8dfbb6d19c2272c11"`
[INFO] [stdout] 01f88fe1d4bf7217954562767bddfe30cda8d90a7a1a04c8dfbb6d19c2272c11