[INFO] updating cached repository https://github.com/russelldmatt/tv-trackr-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] c213ddac29e3b1e3c771f7c934c2430faf02e390 [INFO] checking russelldmatt/tv-trackr-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusselldmatt%2Ftv-trackr-rs" "work/builds/worker-6/source"` [INFO] [stderr] Cloning into 'work/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/russelldmatt/tv-trackr-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/russelldmatt/tv-trackr-rs [INFO] finished tweaking git repo https://github.com/russelldmatt/tv-trackr-rs [INFO] tweaked toml for git repo https://github.com/russelldmatt/tv-trackr-rs written to work/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/russelldmatt/tv-trackr-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 344665ff8ab2f6c3a6b82cdc6b682ce71f5e5ea6cbb869c6b18e646dd41093f2 [INFO] running `"docker" "start" "-a" "344665ff8ab2f6c3a6b82cdc6b682ce71f5e5ea6cbb869c6b18e646dd41093f2"` [INFO] [stderr] Checking serde v0.8.20 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Compiling syn v0.10.3 [INFO] [stderr] Checking url v1.2.4 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.2.4/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking cookie v0.2.5 [INFO] [stderr] Checking hyper v0.9.14 [INFO] [stderr] Compiling serde_codegen_internals v0.11.2 [INFO] [stderr] Compiling serde_codegen v0.8.20 [INFO] [stderr] Checking serde_json v0.8.4 [INFO] [stderr] Checking bincode v0.6.0 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking iron v0.4.0 [INFO] [stderr] Compiling serde_derive v0.8.20 [INFO] [stderr] Checking handlebars v0.23.0 [INFO] [stderr] Checking mount v0.2.1 [INFO] [stderr] Checking persistent v0.2.1 [INFO] [stderr] Checking router v0.4.0 [INFO] [stderr] Checking staticfile v0.3.1 [INFO] [stderr] Checking handlebars-iron v0.20.0 [INFO] [stderr] Checking tv-trackr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0437]: type `Err` is not a member of trait `TryFrom` [INFO] [stderr] --> src/scraped_show.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | type Err = ParseEpisodeError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom` [INFO] [stderr] [INFO] [stderr] error[E0437]: type `Err` is not a member of trait `TryFrom` [INFO] [stderr] --> src/scraped_show.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | type Err = ParseEpisodeError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/scraped_show.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 100 | let f = try!(File::open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/scraped_show.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | let line: String = try!(line); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/scraped_show.rs:108:20 [INFO] [stderr] | [INFO] [stderr] 108 | let episodes = try!(eps); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:36:17 [INFO] [stderr] | [INFO] [stderr] 36 | let f = try!(File::open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:41:28 [INFO] [stderr] | [INFO] [stderr] 41 | let line = try!(line); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:45:21 [INFO] [stderr] | [INFO] [stderr] 45 | let shows = try!(shows); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:60:29 [INFO] [stderr] | [INFO] [stderr] 60 | let mut f = try!(File::create(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:80:33 [INFO] [stderr] | [INFO] [stderr] 80 | let mut f = try!(OpenOptions::new().append(true).open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | try!(f.write_all(&unique_id.to_string().into_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/template.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | try!(rc.writer.write(rendered.into_bytes().as_ref())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | #[macro_use] extern crate router; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | #[macro_use] extern crate serde; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | #[macro_use] extern crate chrono; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | #[macro_use] extern crate lazy_static; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `chrono` is imported redundantly [INFO] [stderr] --> src/scraped_show.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | use chrono; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:19:14 [INFO] [stderr] | [INFO] [stderr] 19 | #[macro_use] extern crate chrono; [INFO] [stderr] | -------------------- the item `chrono` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/scraped_show.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | extern crate serde_json; [INFO] [stderr] | ------------------------ the item `serde_json` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `handlebars` is imported redundantly [INFO] [stderr] --> src/template.rs:105:9 [INFO] [stderr] | [INFO] [stderr] 105 | use handlebars; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | extern crate handlebars; [INFO] [stderr] | ------------------------ the item `handlebars` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `chrono` is imported redundantly [INFO] [stderr] --> src/template.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | use chrono; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:19:14 [INFO] [stderr] | [INFO] [stderr] 19 | #[macro_use] extern crate chrono; [INFO] [stderr] | -------------------- the item `chrono` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/lib.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 16 | extern crate serde_json; [INFO] [stderr] | ------------------------ the item `serde_json` is already imported here [INFO] [stderr] ... [INFO] [stderr] 73 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Err` not found for `Self` [INFO] [stderr] --> src/scraped_show.rs:33:45 [INFO] [stderr] | [INFO] [stderr] 33 | fn try_from(e: Episode) -> Result { [INFO] [stderr] | ^^^^^^^^^ associated type `Err` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Err` not found for `Self` [INFO] [stderr] --> src/scraped_show.rs:80:42 [INFO] [stderr] | [INFO] [stderr] 80 | fn try_from(s: Show) -> Result { [INFO] [stderr] | ^^^^^^^^^ associated type `Err` not found [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0220, E0437. [INFO] [stderr] For more information about an error, try `rustc --explain E0220`. [INFO] [stderr] error: Could not compile `tv-trackr`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0437]: type `Err` is not a member of trait `TryFrom` [INFO] [stderr] --> src/scraped_show.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | type Err = ParseEpisodeError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom` [INFO] [stderr] [INFO] [stderr] error[E0437]: type `Err` is not a member of trait `TryFrom` [INFO] [stderr] --> src/scraped_show.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | type Err = ParseEpisodeError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/scraped_show.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 100 | let f = try!(File::open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/scraped_show.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | let line: String = try!(line); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/scraped_show.rs:108:20 [INFO] [stderr] | [INFO] [stderr] 108 | let episodes = try!(eps); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:36:17 [INFO] [stderr] | [INFO] [stderr] 36 | let f = try!(File::open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:41:28 [INFO] [stderr] | [INFO] [stderr] 41 | let line = try!(line); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:45:21 [INFO] [stderr] | [INFO] [stderr] 45 | let shows = try!(shows); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:60:29 [INFO] [stderr] | [INFO] [stderr] 60 | let mut f = try!(File::create(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:80:33 [INFO] [stderr] | [INFO] [stderr] 80 | let mut f = try!(OpenOptions::new().append(true).open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/viewer_history.rs:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | try!(f.write_all(&unique_id.to_string().into_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/template.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | try!(rc.writer.write(rendered.into_bytes().as_ref())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | #[macro_use] extern crate router; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | #[macro_use] extern crate serde; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | #[macro_use] extern crate chrono; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `chrono` is imported redundantly [INFO] [stderr] --> src/scraped_show.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | use chrono; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:19:14 [INFO] [stderr] | [INFO] [stderr] 19 | #[macro_use] extern crate chrono; [INFO] [stderr] | -------------------- the item `chrono` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/scraped_show.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | extern crate serde_json; [INFO] [stderr] | ------------------------ the item `serde_json` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `handlebars` is imported redundantly [INFO] [stderr] --> src/template.rs:105:9 [INFO] [stderr] | [INFO] [stderr] 105 | use handlebars; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | extern crate handlebars; [INFO] [stderr] | ------------------------ the item `handlebars` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `chrono` is imported redundantly [INFO] [stderr] --> src/template.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | use chrono; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/lib.rs:19:14 [INFO] [stderr] | [INFO] [stderr] 19 | #[macro_use] extern crate chrono; [INFO] [stderr] | -------------------- the item `chrono` is already imported here [INFO] [stderr] [INFO] [stderr] warning: the item `serde_json` is imported redundantly [INFO] [stderr] --> src/lib.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 16 | extern crate serde_json; [INFO] [stderr] | ------------------------ the item `serde_json` is already imported here [INFO] [stderr] ... [INFO] [stderr] 73 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/show.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | / lazy_static! { [INFO] [stderr] 69 | | static ref EXAMPLE_EPISODE: Episode = [INFO] [stderr] 70 | | Episode { [INFO] [stderr] 71 | | name: "test".to_string(), [INFO] [stderr] ... | [INFO] [stderr] 75 | | }; [INFO] [stderr] 76 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/show.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | / lazy_static! { [INFO] [stderr] 69 | | static ref EXAMPLE_EPISODE: Episode = [INFO] [stderr] 70 | | Episode { [INFO] [stderr] 71 | | name: "test".to_string(), [INFO] [stderr] ... | [INFO] [stderr] 75 | | }; [INFO] [stderr] 76 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Err` not found for `Self` [INFO] [stderr] --> src/scraped_show.rs:33:45 [INFO] [stderr] | [INFO] [stderr] 33 | fn try_from(e: Episode) -> Result { [INFO] [stderr] | ^^^^^^^^^ associated type `Err` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Err` not found for `Self` [INFO] [stderr] --> src/scraped_show.rs:80:42 [INFO] [stderr] | [INFO] [stderr] 80 | fn try_from(s: Show) -> Result { [INFO] [stderr] | ^^^^^^^^^ associated type `Err` not found [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0220, E0437. [INFO] [stderr] For more information about an error, try `rustc --explain E0220`. [INFO] [stderr] error: Could not compile `tv-trackr`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "344665ff8ab2f6c3a6b82cdc6b682ce71f5e5ea6cbb869c6b18e646dd41093f2"` [INFO] running `"docker" "rm" "-f" "344665ff8ab2f6c3a6b82cdc6b682ce71f5e5ea6cbb869c6b18e646dd41093f2"` [INFO] [stdout] 344665ff8ab2f6c3a6b82cdc6b682ce71f5e5ea6cbb869c6b18e646dd41093f2