[INFO] fetching crate etternaonline_api 0.1.0...
[INFO] testing etternaonline_api-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate etternaonline_api 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate etternaonline_api 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate etternaonline_api 0.1.0
[INFO] finished tweaking crates.io crate etternaonline_api 0.1.0
[INFO] tweaked toml for crates.io crate etternaonline_api 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 870cc6372b371375aaf18a7ec79792f079bf817a425245ba413c811de78e14ea
[INFO] running `Command { std: "docker" "start" "-a" "870cc6372b371375aaf18a7ec79792f079bf817a425245ba413c811de78e14ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "870cc6372b371375aaf18a7ec79792f079bf817a425245ba413c811de78e14ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870cc6372b371375aaf18a7ec79792f079bf817a425245ba413c811de78e14ea", kill_on_drop: false }`
[INFO] [stdout] 870cc6372b371375aaf18a7ec79792f079bf817a425245ba413c811de78e14ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0c84c14b22ac3845a758f0ad2c7322fa40018cce6215741442bc2c09a2b8cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e0c84c14b22ac3845a758f0ad2c7322fa40018cce6215741442bc2c09a2b8cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling cookie_store v0.12.0
[INFO] [stderr]    Compiling ureq v1.5.1
[INFO] [stderr]    Compiling etternaonline_api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.00s
[INFO] running `Command { std: "docker" "inspect" "5e0c84c14b22ac3845a758f0ad2c7322fa40018cce6215741442bc2c09a2b8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0c84c14b22ac3845a758f0ad2c7322fa40018cce6215741442bc2c09a2b8cc", kill_on_drop: false }`
[INFO] [stdout] 5e0c84c14b22ac3845a758f0ad2c7322fa40018cce6215741442bc2c09a2b8cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1517ddf0d1aba9029b56832156c3c35dc12a4e6bb6660437cc087cc428d0572
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1517ddf0d1aba9029b56832156c3c35dc12a4e6bb6660437cc087cc428d0572", kill_on_drop: false }`
[INFO] [stderr]    Compiling etternaonline_api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "f1517ddf0d1aba9029b56832156c3c35dc12a4e6bb6660437cc087cc428d0572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1517ddf0d1aba9029b56832156c3c35dc12a4e6bb6660437cc087cc428d0572", kill_on_drop: false }`
[INFO] [stdout] f1517ddf0d1aba9029b56832156c3c35dc12a4e6bb6660437cc087cc428d0572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e1c5e854225a75dfd9d600f7a10483aa301cce56d31573d0d576ea679d8673a
[INFO] running `Command { std: "docker" "start" "-a" "0e1c5e854225a75dfd9d600f7a10483aa301cce56d31573d0d576ea679d8673a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/etternaonline_api-8c30cdbbacdc31c6
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests etternaonline_api
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - Session::user_favorites (line 686) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::new_from_login (line 222) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::score_data (line 570) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::add_user_favorite (line 707) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::user_details (line 384) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::user_latest_scores (line 471) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::remove_user_goal (line 815) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::update_user_goal (line 847) ... FAILED
[INFO] [stdout] test src/lib.rs - Session (line 181) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::user_ranks_per_skillset (line 499) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::chart_leaderboard (line 603) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::user_goals (line 745) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::remove_user_favorite (line 724) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::country_leaderboard (line 641) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::add_user_goal (line 778) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::user_top_10_scores (line 457) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::world_leaderboard (line 667) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::user_top_scores_per_skillset (line 526) ... FAILED
[INFO] [stdout] test src/lib.rs - Session::user_top_skillset_scores (line 435) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Session::user_favorites (line 686) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:687:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let favorites = session.user_favorites("kangalioo");
[INFO] [stdout]   |                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::new_from_login (line 222) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Session`
[INFO] [stdout]  --> src/lib.rs:223:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut session = Session::new_from_login(
[INFO] [stdout]   |                   ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use etternaonline_api::Session;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::score_data (line 570) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:571:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | let score_info = session.score_data("S65565b5bc377c6d78b60c0aecfd9e05955b4cf63")?;
[INFO] [stdout]   |                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:571:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | let score_info = session.score_data("S65565b5bc377c6d78b60c0aecfd9e05955b4cf63")?;
[INFO] [stdout]   | |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::add_user_favorite (line 707) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:709:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | session.add_user_favorite("kangalioo", "X4a15f62b66a80b62ec64521704f98c6c03d98e03")?;
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:709:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | session.add_user_favorite("kangalioo", "X4a15f62b66a80b62ec64521704f98c6c03d98e03")?;
[INFO] [stdout]   | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | | |
[INFO] [stdout]   | | cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::user_details (line 384) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:386:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | let details = session.user_details("kangalioo")?;
[INFO] [stdout]   |               ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:386:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | let details = session.user_details("kangalioo")?;
[INFO] [stdout]   | |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::user_latest_scores (line 471) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:473:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let scores = session.user_latest_scores("kangalioo")?;
[INFO] [stdout]   |              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:473:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | let scores = session.user_latest_scores("kangalioo")?;
[INFO] [stdout]   | |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::remove_user_goal (line 815) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:818:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | let score_goal = session.user_goals("theropfather")?[0];
[INFO] [stdout]   |                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:820:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | session.remove_user_goal(
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:818:18
[INFO] [stdout]    |
[INFO] [stdout] 4  | / fn main() {
[INFO] [stdout] 5  | | let score_goal = session.user_goals("theropfather")?[0];
[INFO] [stdout]    | |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 6  | |  
[INFO] [stdout] 7  | | session.remove_user_goal(
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | )?;
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:820:1
[INFO] [stdout]    |
[INFO] [stdout] 4  |  / fn main() {
[INFO] [stdout] 5  |  | let score_goal = session.user_goals("theropfather")?[0];
[INFO] [stdout] 6  |  |  
[INFO] [stdout] 7  |  | session.remove_user_goal(
[INFO] [stdout]    |  |_^
[INFO] [stdout] 8  | ||     "theropfather",
[INFO] [stdout] 9  | ||     score_goal.chartkey,
[INFO] [stdout] 10 | ||     score_goal.rate,
[INFO] [stdout] 11 | ||     score_goal.wifescore
[INFO] [stdout] 12 | || )?;
[INFO] [stdout]    | ||__^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 13 |  | }
[INFO] [stdout]    |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::update_user_goal (line 847) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:850:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | let score_goal = &mut session.user_goals("kangalioo")?[0];
[INFO] [stdout]   |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:854:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | session.update_user_goal("kangalioo", score_goal)?;
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:850:23
[INFO] [stdout]    |
[INFO] [stdout] 4  | / fn main() {
[INFO] [stdout] 5  | | let score_goal = &mut session.user_goals("kangalioo")?[0];
[INFO] [stdout]    | |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 6  | |  
[INFO] [stdout] 7  | | score_goal.rate += 0.05;
[INFO] [stdout] 8  | |  
[INFO] [stdout] 9  | | session.update_user_goal("kangalioo", score_goal)?;
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:854:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / fn main() {
[INFO] [stdout] 5  | | let score_goal = &mut session.user_goals("kangalioo")?[0];
[INFO] [stdout] 6  | |  
[INFO] [stdout] 7  | | score_goal.rate += 0.05;
[INFO] [stdout] 8  | |  
[INFO] [stdout] 9  | | session.update_user_goal("kangalioo", score_goal)?;
[INFO] [stdout]    | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | | |
[INFO] [stdout]    | | cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session (line 181) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Session`
[INFO] [stdout]  --> src/lib.rs:182:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut session = Session::new_from_login(
[INFO] [stdout]   |                   ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use etternaonline_api::Session;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:189:43
[INFO] [stdout]    |
[INFO] [stdout] 2  | / fn main() {
[INFO] [stdout] 3  | | let mut session = Session::new_from_login(
[INFO] [stdout] 4  | |     "kangalioo",
[INFO] [stdout] 5  | |     "<PASSWORD>",
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | | println!("Details about kangalioo: {:?}", session.user_details("kangalioo")?);
[INFO] [stdout]    | |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | | );
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:191:18
[INFO] [stdout]    |
[INFO] [stdout] 2  | / fn main() {
[INFO] [stdout] 3  | | let mut session = Session::new_from_login(
[INFO] [stdout] 4  | |     "kangalioo",
[INFO] [stdout] 5  | |     "<PASSWORD>",
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | let best_score = session.user_top_10_scores("kangalioo")?[0];
[INFO] [stdout]    | |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | | );
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:194:2
[INFO] [stdout]    |
[INFO] [stdout] 2  | / fn main() {
[INFO] [stdout] 3  | | let mut session = Session::new_from_login(
[INFO] [stdout] 4  | |     "kangalioo",
[INFO] [stdout] 5  | |     "<PASSWORD>",
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     session.score_data(best_score)?.judgements.misses
[INFO] [stdout]    | |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 16 | | );
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::user_ranks_per_skillset (line 499) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:501:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let scores = session.user_ranks("kangalioo")?;
[INFO] [stdout]   |              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:501:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | let scores = session.user_ranks("kangalioo")?;
[INFO] [stdout]   | |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::chart_leaderboard (line 603) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:604:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let leaderboard = session.chart_leaderboard("X4a15f62b66a80b62ec64521704f98c6c03d98e03")?;
[INFO] [stdout]   |                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:604:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | let leaderboard = session.chart_leaderboard("X4a15f62b66a80b62ec64521704f98c6c03d98e03")?;
[INFO] [stdout]   | |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | |  
[INFO] [stdout] 5 | | println!("The best Game Time score is being held by {}", leaderboard[0].user.username);
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::user_goals (line 745) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:746:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let score_goals = session.user_goals("theropfather")?;
[INFO] [stdout]   |                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:746:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | let score_goals = session.user_goals("theropfather")?;
[INFO] [stdout]   | |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | |  
[INFO] [stdout] 5 | | println!("theropfather has {} goals", score_goals.len());
[INFO] [stdout] 6 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::remove_user_favorite (line 724) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:726:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | session.remove_user_favorite("kangalioo", "X4a15f62b66a80b62ec64521704f98c6c03d98e03")?;
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:726:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | session.remove_user_favorite("kangalioo", "X4a15f62b66a80b62ec64521704f98c6c03d98e03")?;
[INFO] [stdout]   | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   | | |
[INFO] [stdout]   | | cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::country_leaderboard (line 641) stdout ----
[INFO] [stdout] error: expected `;`, found `println`
[INFO] [stdout]  --> src/lib.rs:642:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | let leaderboard = session.country_leaderboard("DE")?
[INFO] [stdout]   |                                                     ^ help: add `;` here
[INFO] [stdout] 4 |  
[INFO] [stdout] 5 | println!(
[INFO] [stdout]   | ------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:642:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let leaderboard = session.country_leaderboard("DE")?
[INFO] [stdout]   |                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:642:19
[INFO] [stdout]    |
[INFO] [stdout] 2  | / fn main() {
[INFO] [stdout] 3  | | let leaderboard = session.country_leaderboard("DE")?
[INFO] [stdout]    | |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4  | |  
[INFO] [stdout] 5  | | println!(
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | | );
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::add_user_goal (line 778) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:780:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | session.add_user_goal(
[INFO] [stdout]   | ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:780:1
[INFO] [stdout]    |
[INFO] [stdout] 3  |  / fn main() {
[INFO] [stdout] 4  |  | session.add_user_goal(
[INFO] [stdout]    |  |_^
[INFO] [stdout] 5  | ||     "kangalioo",
[INFO] [stdout] 6  | ||     "X4a15f62b66a80b62ec64521704f98c6c03d98e03",
[INFO] [stdout] 7  | ||     1.0,
[INFO] [stdout] 8  | ||     0.93,
[INFO] [stdout] 9  | ||     "2020-07-13 22:48:26",
[INFO] [stdout] 10 | || )?;
[INFO] [stdout]    | ||__^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 11 |  | }
[INFO] [stdout]    |  |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::user_top_10_scores (line 457) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:459:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let scores = session.user_top_10_scores("kangalioo")?;
[INFO] [stdout]   |              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:459:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | let scores = session.user_top_10_scores("kangalioo")?;
[INFO] [stdout]   | |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::world_leaderboard (line 667) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:668:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let leaderboard = session.world_leaderboard()?;
[INFO] [stdout]   |                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]   --> src/lib.rs:668:19
[INFO] [stdout]    |
[INFO] [stdout] 2  | / fn main() {
[INFO] [stdout] 3  | | let leaderboard = session.world_leaderboard()?;
[INFO] [stdout]    | |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4  | |  
[INFO] [stdout] 5  | | println!(
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | | );
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::user_top_scores_per_skillset (line 526) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:527:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | let top_scores = session.user_top_scores_per_skillset("kangalioo")?;
[INFO] [stdout]   |                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:527:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | / fn main() {
[INFO] [stdout] 3 | | let top_scores = session.user_top_scores_per_skillset("kangalioo")?;
[INFO] [stdout]   | |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4 | | println!("kangalioo's 5th best handstream score is {:?}", top_scores.handstream[4]);
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Session::user_top_skillset_scores (line 435) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Skillset7`
[INFO] [stdout]  --> src/lib.rs:437:60
[INFO] [stdout]   |
[INFO] [stdout] 4 | let scores = session.user_top_skillset_scores("kangalioo", Skillset7::Chordjack, 10)?;
[INFO] [stdout]   |                                                            ^^^^^^^^^ use of undeclared type `Skillset7`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `session` in this scope
[INFO] [stdout]  --> src/lib.rs:437:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | let scores = session.user_top_skillset_scores("kangalioo", Skillset7::Chordjack, 10)?;
[INFO] [stdout]   |              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`)
[INFO] [stdout]  --> src/lib.rs:437:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | / fn main() {
[INFO] [stdout] 4 | | let scores = session.user_top_skillset_scores("kangalioo", Skillset7::Chordjack, 10)?;
[INFO] [stdout]   | |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Session (line 181)
[INFO] [stdout]     src/lib.rs - Session::add_user_favorite (line 707)
[INFO] [stdout]     src/lib.rs - Session::add_user_goal (line 778)
[INFO] [stdout]     src/lib.rs - Session::chart_leaderboard (line 603)
[INFO] [stdout]     src/lib.rs - Session::country_leaderboard (line 641)
[INFO] [stdout]     src/lib.rs - Session::new_from_login (line 222)
[INFO] [stdout]     src/lib.rs - Session::remove_user_favorite (line 724)
[INFO] [stdout]     src/lib.rs - Session::remove_user_goal (line 815)
[INFO] [stdout]     src/lib.rs - Session::score_data (line 570)
[INFO] [stdout]     src/lib.rs - Session::update_user_goal (line 847)
[INFO] [stdout]     src/lib.rs - Session::user_details (line 384)
[INFO] [stdout]     src/lib.rs - Session::user_favorites (line 686)
[INFO] [stdout]     src/lib.rs - Session::user_goals (line 745)
[INFO] [stdout]     src/lib.rs - Session::user_latest_scores (line 471)
[INFO] [stdout]     src/lib.rs - Session::user_ranks_per_skillset (line 499)
[INFO] [stdout]     src/lib.rs - Session::user_top_10_scores (line 457)
[INFO] [stdout]     src/lib.rs - Session::user_top_scores_per_skillset (line 526)
[INFO] [stdout]     src/lib.rs - Session::user_top_skillset_scores (line 435)
[INFO] [stdout]     src/lib.rs - Session::world_leaderboard (line 667)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 19 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "0e1c5e854225a75dfd9d600f7a10483aa301cce56d31573d0d576ea679d8673a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1c5e854225a75dfd9d600f7a10483aa301cce56d31573d0d576ea679d8673a", kill_on_drop: false }`
[INFO] [stdout] 0e1c5e854225a75dfd9d600f7a10483aa301cce56d31573d0d576ea679d8673a
