[INFO] fetching crate hx 0.2.1...
[INFO] checking hx-0.2.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate hx 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hx 0.2.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac3bc69e5f63c46537b9c23b9c4702478244ae66d5aa0657f4e22632c6482a5d
[INFO] running `"docker" "start" "-a" "ac3bc69e5f63c46537b9c23b9c4702478244ae66d5aa0657f4e22632c6482a5d"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking 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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `"docker" "inspect" "ac3bc69e5f63c46537b9c23b9c4702478244ae66d5aa0657f4e22632c6482a5d"`
[INFO] running `"docker" "rm" "-f" "ac3bc69e5f63c46537b9c23b9c4702478244ae66d5aa0657f4e22632c6482a5d"`
[INFO] [stdout] ac3bc69e5f63c46537b9c23b9c4702478244ae66d5aa0657f4e22632c6482a5d