[INFO] updating cached repository https://github.com/alan-andrade/tracker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65572e142b119cf57bc6e41242b483ae934fef8d
[INFO] testing alan-andrade/tracker against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan-andrade%2Ftracker" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alan-andrade/tracker on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alan-andrade/tracker
[INFO] finished tweaking git repo https://github.com/alan-andrade/tracker
[INFO] tweaked toml for git repo https://github.com/alan-andrade/tracker written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/alan-andrade/tracker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+1.44.0" "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] 6e36db629b5a113199015f6c18ceeffbf8f853852f3044da03b06c9ca0103aae
[INFO] running `"docker" "start" "-a" "6e36db629b5a113199015f6c18ceeffbf8f853852f3044da03b06c9ca0103aae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hoedown v3.0.5
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Markdown`
[INFO] [stderr]  --> src/term_renderer.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use hoedown::{Markdown, Render, Buffer};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn code_block(&mut self, output: &mut Buffer, text: &Buffer, lang: &Buffer) {
[INFO] [stderr]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn quote_block(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn header(&mut self, output: &mut Buffer, content: &Buffer, level: i32) {
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `level`
[INFO] [stderr]   --> src/term_renderer.rs:30:65
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn header(&mut self, output: &mut Buffer, content: &Buffer, level: i32) {
[INFO] [stderr]    |                                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn list(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:44:63
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn list(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn list_item(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:48:68
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn list_item(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:54:29
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn paragraph(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:63:46
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn table(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:67:53
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn table_header(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn table_body(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:75:50
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn table_row(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn table_cell(&mut self, output: &mut Buffer, content: &Buffer, flags: Table) {
[INFO] [stderr]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn table_cell(&mut self, output: &mut Buffer, content: &Buffer, flags: Table) {
[INFO] [stderr]    |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:83:50
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn footnotes(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:87:60
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn footnote_definition(&mut self, output: &mut Buffer, content: &Buffer, num: u32) {
[INFO] [stderr]    |                                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/term_renderer.rs:87:78
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn footnote_definition(&mut self, output: &mut Buffer, content: &Buffer, num: u32) {
[INFO] [stderr]    |                                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/term_renderer.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn html_block(&mut self, output: &mut Buffer, text: &Buffer) {
[INFO] [stderr]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | /         writeln!(self.term, "CODE::: \n{:?} ::: {:?}", text.to_str().unwrap(),
[INFO] [stderr] 23 | |         lang.to_str().unwrap());
[INFO] [stderr]    | |________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         writeln!(self.term, "{}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         writeln!(self.term, "");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         writeln!(self.term, "{}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         write!(self.term, "- {}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |         for line in lines { writeln!(self.term, "{}", line); }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         writeln!(self.term, "\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `"docker" "inspect" "6e36db629b5a113199015f6c18ceeffbf8f853852f3044da03b06c9ca0103aae"`
[INFO] running `"docker" "rm" "-f" "6e36db629b5a113199015f6c18ceeffbf8f853852f3044da03b06c9ca0103aae"`
[INFO] [stdout] 6e36db629b5a113199015f6c18ceeffbf8f853852f3044da03b06c9ca0103aae
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+1.44.0" "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] 58d6547bae362c9110580d20e17dc96b432318c516a6f94bb41cf1d102c4ccf8
[INFO] running `"docker" "start" "-a" "58d6547bae362c9110580d20e17dc96b432318c516a6f94bb41cf1d102c4ccf8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Markdown`
[INFO] [stderr]  --> src/term_renderer.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use hoedown::{Markdown, Render, Buffer};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn code_block(&mut self, output: &mut Buffer, text: &Buffer, lang: &Buffer) {
[INFO] [stderr]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn quote_block(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn header(&mut self, output: &mut Buffer, content: &Buffer, level: i32) {
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `level`
[INFO] [stderr]   --> src/term_renderer.rs:30:65
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn header(&mut self, output: &mut Buffer, content: &Buffer, level: i32) {
[INFO] [stderr]    |                                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn list(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:44:63
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn list(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn list_item(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:48:68
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn list_item(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:54:29
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn paragraph(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:63:46
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn table(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:67:53
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn table_header(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn table_body(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:75:50
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn table_row(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn table_cell(&mut self, output: &mut Buffer, content: &Buffer, flags: Table) {
[INFO] [stderr]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn table_cell(&mut self, output: &mut Buffer, content: &Buffer, flags: Table) {
[INFO] [stderr]    |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:83:50
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn footnotes(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:87:60
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn footnote_definition(&mut self, output: &mut Buffer, content: &Buffer, num: u32) {
[INFO] [stderr]    |                                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/term_renderer.rs:87:78
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn footnote_definition(&mut self, output: &mut Buffer, content: &Buffer, num: u32) {
[INFO] [stderr]    |                                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/term_renderer.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn html_block(&mut self, output: &mut Buffer, text: &Buffer) {
[INFO] [stderr]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | /         writeln!(self.term, "CODE::: \n{:?} ::: {:?}", text.to_str().unwrap(),
[INFO] [stderr] 23 | |         lang.to_str().unwrap());
[INFO] [stderr]    | |________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         writeln!(self.term, "{}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         writeln!(self.term, "");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         writeln!(self.term, "{}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         write!(self.term, "- {}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |         for line in lines { writeln!(self.term, "{}", line); }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         writeln!(self.term, "\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "58d6547bae362c9110580d20e17dc96b432318c516a6f94bb41cf1d102c4ccf8"`
[INFO] running `"docker" "rm" "-f" "58d6547bae362c9110580d20e17dc96b432318c516a6f94bb41cf1d102c4ccf8"`
[INFO] [stdout] 58d6547bae362c9110580d20e17dc96b432318c516a6f94bb41cf1d102c4ccf8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 9b7ab3626480eb99d103d3256c095ff575efbb4edc548d4ed9571a538a6e7641
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9b7ab3626480eb99d103d3256c095ff575efbb4edc548d4ed9571a538a6e7641"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `Markdown`
[INFO] [stderr]  --> src/term_renderer.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use hoedown::{Markdown, Render, Buffer};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn code_block(&mut self, output: &mut Buffer, text: &Buffer, lang: &Buffer) {
[INFO] [stderr]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn quote_block(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn header(&mut self, output: &mut Buffer, content: &Buffer, level: i32) {
[INFO] [stderr]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `level`
[INFO] [stderr]   --> src/term_renderer.rs:30:65
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn header(&mut self, output: &mut Buffer, content: &Buffer, level: i32) {
[INFO] [stderr]    |                                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn list(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:44:63
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn list(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn list_item(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:48:68
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn list_item(&mut self, output: &mut Buffer, content: &Buffer, flags: List) {
[INFO] [stderr]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/term_renderer.rs:54:29
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn paragraph(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:63:46
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn table(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:67:53
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn table_header(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn table_body(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:75:50
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn table_row(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn table_cell(&mut self, output: &mut Buffer, content: &Buffer, flags: Table) {
[INFO] [stderr]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]   --> src/term_renderer.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn table_cell(&mut self, output: &mut Buffer, content: &Buffer, flags: Table) {
[INFO] [stderr]    |                                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:83:50
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn footnotes(&mut self, output: &mut Buffer, content: &Buffer) {
[INFO] [stderr]    |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content`
[INFO] [stderr]   --> src/term_renderer.rs:87:60
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn footnote_definition(&mut self, output: &mut Buffer, content: &Buffer, num: u32) {
[INFO] [stderr]    |                                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/term_renderer.rs:87:78
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn footnote_definition(&mut self, output: &mut Buffer, content: &Buffer, num: u32) {
[INFO] [stderr]    |                                                                              ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/term_renderer.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn html_block(&mut self, output: &mut Buffer, text: &Buffer) {
[INFO] [stderr]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | /         writeln!(self.term, "CODE::: \n{:?} ::: {:?}", text.to_str().unwrap(),
[INFO] [stderr] 23 | |         lang.to_str().unwrap());
[INFO] [stderr]    | |________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         writeln!(self.term, "{}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         writeln!(self.term, "");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         writeln!(self.term, "{}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         write!(self.term, "- {}", content.to_str().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |         for line in lines { writeln!(self.term, "{}", line); }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         writeln!(self.term, "\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/term_renderer.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.term.reset();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracker-6b93a6d8f8ee0788
[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" "9b7ab3626480eb99d103d3256c095ff575efbb4edc548d4ed9571a538a6e7641"`
[INFO] running `"docker" "rm" "-f" "9b7ab3626480eb99d103d3256c095ff575efbb4edc548d4ed9571a538a6e7641"`
[INFO] [stdout] 9b7ab3626480eb99d103d3256c095ff575efbb4edc548d4ed9571a538a6e7641