[INFO] cloning repository https://github.com/olejodd10/blackboard_course_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olejodd10/blackboard_course_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folejodd10%2Fblackboard_course_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folejodd10%2Fblackboard_course_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 919d6c3048793cc9ad4fa277b2620af9e76b856a
[INFO] checking olejodd10/blackboard_course_manager against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folejodd10%2Fblackboard_course_manager" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/olejodd10/blackboard_course_manager
[INFO] finished tweaking git repo https://github.com/olejodd10/blackboard_course_manager
[INFO] tweaked toml for git repo https://github.com/olejodd10/blackboard_course_manager written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/olejodd10/blackboard_course_manager on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/olejodd10/blackboard_course_manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04cb9c1becb900b9f817dde9da3426bd2ff0a69cb8fd3f1526efc88e47505c85
[INFO] running `Command { std: "docker" "start" "-a" "04cb9c1becb900b9f817dde9da3426bd2ff0a69cb8fd3f1526efc88e47505c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04cb9c1becb900b9f817dde9da3426bd2ff0a69cb8fd3f1526efc88e47505c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04cb9c1becb900b9f817dde9da3426bd2ff0a69cb8fd3f1526efc88e47505c85", kill_on_drop: false }`
[INFO] [stdout] 04cb9c1becb900b9f817dde9da3426bd2ff0a69cb8fd3f1526efc88e47505c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d450e2b58049092a64c8cc3508c882001155f0e3a8d11e00e663630564887472
[INFO] running `Command { std: "docker" "start" "-a" "d450e2b58049092a64c8cc3508c882001155f0e3a8d11e00e663630564887472", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
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[INFO] [stderr]     Checking blackboard_course_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `blackboard_course_manager` (bin "bbcm") due to 3 previous errors; 13 warnings emitted
[INFO] [stdout] warning: function `mimetype_contains` is never used
[INFO] [stdout]  --> src/utils/predicate_utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mimetype_contains(attachment: &BBAttachment, substring: &str) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `small_file_mimetype` is never used
[INFO] [stdout]  --> src/utils/predicate_utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn small_file_mimetype(attachment: &BBAttachment) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filename_contains` is never used
[INFO] [stdout]   --> src/utils/predicate_utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn filename_contains(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `title_contains` is never used
[INFO] [stdout]   --> src/utils/predicate_utils.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn title_contains(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `view` is never used
[INFO] [stdout]    --> src/bb_course/bb_content.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl<'a> BBContent<'a> {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn view(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `view` is never used
[INFO] [stdout]   --> src/bb_course/bb_content/bb_attachment.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a, 'b> BBAttachment<'a, 'b> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn view(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/bb_course/bb_announcement.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BBAnnouncement {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `view` is never used
[INFO] [stdout]   --> src/bb_course/bb_announcement.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl BBAnnouncement {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn view(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `content_id` are never read
[INFO] [stdout]  --> src/bb_course/bb_gradebook.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BBGradebookColumn {
[INFO] [stdout]   |            ----------------- fields in this struct
[INFO] [stdout] 4 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout] 6 |     pub content_id: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Collector` is never constructed
[INFO] [stdout]  --> src/bb_session.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Collector(Vec<u8>);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bbcm.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         #[structopt(
[INFO] [stdout] 14 | |             name="course-alias",
[INFO] [stdout] 15 | |             help="Alias of course",
[INFO] [stdout] 16 | |         )]
[INFO] [stdout] 17 | |         course_alias: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bbcm.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         #[structopt(
[INFO] [stdout] 40 | |             name="course-alias",
[INFO] [stdout] 41 | |             help="Alias of course",
[INFO] [stdout] 42 | |         )]
[INFO] [stdout] 43 | |         course_alias: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bbcm.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | /         #[structopt(
[INFO] [stdout] 75 | |             name="course-alias",
[INFO] [stdout] 76 | |             help="Alias of course",
[INFO] [stdout] 77 | |         )]
[INFO] [stdout] 78 | |         course_alias: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bb_course.rs:118:32
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn get_course_root_content(&self, session: &BBSession) -> Result<Vec<BBContent>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                ^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn get_course_root_content(&self, session: &BBSession) -> Result<Vec<BBContent<'_>>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bb_course/bb_content.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_children(&self, session: &BBSession) -> Result<Vec<BBContent>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                     ^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_children(&self, session: &BBSession) -> Result<Vec<BBContent<'_>>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bb_course/bb_content.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_attachments(&self, session: &BBSession) -> Result<Vec<BBAttachment>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                        ^^^^^                                     ^^^^^^^^^^^^
[INFO] [stdout]    |                        |                                         |
[INFO] [stdout]    |                        |                                         the same lifetime is hidden here
[INFO] [stdout]    |                        the lifetime is elided here               the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_attachments(&self, session: &BBSession) -> Result<Vec<BBAttachment<'_>>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mimetype_contains` is never used
[INFO] [stdout]  --> src/utils/predicate_utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn mimetype_contains(attachment: &BBAttachment, substring: &str) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `small_file_mimetype` is never used
[INFO] [stdout]  --> src/utils/predicate_utils.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn small_file_mimetype(attachment: &BBAttachment) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filename_contains` is never used
[INFO] [stdout]   --> src/utils/predicate_utils.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn filename_contains(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `title_contains` is never used
[INFO] [stdout]   --> src/utils/predicate_utils.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn title_contains(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `view` is never used
[INFO] [stdout]    --> src/bb_course/bb_content.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl<'a> BBContent<'a> {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn view(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `view` is never used
[INFO] [stdout]   --> src/bb_course/bb_content/bb_attachment.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a, 'b> BBAttachment<'a, 'b> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn view(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/bb_course/bb_announcement.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BBAnnouncement {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `view` is never used
[INFO] [stdout]   --> src/bb_course/bb_announcement.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl BBAnnouncement {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn view(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `content_id` are never read
[INFO] [stdout]  --> src/bb_course/bb_gradebook.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BBGradebookColumn {
[INFO] [stdout]   |            ----------------- fields in this struct
[INFO] [stdout] 4 |     pub id: String,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 5 |     pub name: String,
[INFO] [stdout] 6 |     pub content_id: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Collector` is never constructed
[INFO] [stdout]  --> src/bb_session.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Collector(Vec<u8>);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bbcm.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         #[structopt(
[INFO] [stdout] 14 | |             name="course-alias",
[INFO] [stdout] 15 | |             help="Alias of course",
[INFO] [stdout] 16 | |         )]
[INFO] [stdout] 17 | |         course_alias: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bbcm.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         #[structopt(
[INFO] [stdout] 40 | |             name="course-alias",
[INFO] [stdout] 41 | |             help="Alias of course",
[INFO] [stdout] 42 | |         )]
[INFO] [stdout] 43 | |         course_alias: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bbcm.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | /         #[structopt(
[INFO] [stdout] 75 | |             name="course-alias",
[INFO] [stdout] 76 | |             help="Alias of course",
[INFO] [stdout] 77 | |         )]
[INFO] [stdout] 78 | |         course_alias: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bb_course.rs:118:32
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn get_course_root_content(&self, session: &BBSession) -> Result<Vec<BBContent>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                ^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn get_course_root_content(&self, session: &BBSession) -> Result<Vec<BBContent<'_>>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bb_course/bb_content.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_children(&self, session: &BBSession) -> Result<Vec<BBContent>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                     ^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_children(&self, session: &BBSession) -> Result<Vec<BBContent<'_>>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bb_course/bb_content.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_attachments(&self, session: &BBSession) -> Result<Vec<BBAttachment>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                        ^^^^^                                     ^^^^^^^^^^^^
[INFO] [stdout]    |                        |                                         |
[INFO] [stdout]    |                        |                                         the same lifetime is hidden here
[INFO] [stdout]    |                        the lifetime is elided here               the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_attachments(&self, session: &BBSession) -> Result<Vec<BBAttachment<'_>>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blackboard_course_manager` (bin "bbcm" test) due to 3 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d450e2b58049092a64c8cc3508c882001155f0e3a8d11e00e663630564887472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d450e2b58049092a64c8cc3508c882001155f0e3a8d11e00e663630564887472", kill_on_drop: false }`
[INFO] [stdout] d450e2b58049092a64c8cc3508c882001155f0e3a8d11e00e663630564887472
