[INFO] cloning repository https://github.com/sav/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sav/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsav%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsav%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81e1c71a59e5ffebf9b8eea2dd777fe1eee27736
[INFO] checking sav/leetcode 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%2Fsav%2Fleetcode" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sav/leetcode
[INFO] finished tweaking git repo https://github.com/sav/leetcode
[INFO] tweaked toml for git repo https://github.com/sav/leetcode written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sav/leetcode 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/sav/leetcode 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 97bd7ee07141bdd8b694c2006c3548dd13c73706de308820d3ccea9c21285ac6
[INFO] running `Command { std: "docker" "start" "-a" "97bd7ee07141bdd8b694c2006c3548dd13c73706de308820d3ccea9c21285ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97bd7ee07141bdd8b694c2006c3548dd13c73706de308820d3ccea9c21285ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bd7ee07141bdd8b694c2006c3548dd13c73706de308820d3ccea9c21285ac6", kill_on_drop: false }`
[INFO] [stdout] 97bd7ee07141bdd8b694c2006c3548dd13c73706de308820d3ccea9c21285ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f1274a27d11579818f3cb0e4416baea1e390c1e6e76c9be56c801b6f77825f10
[INFO] running `Command { std: "docker" "start" "-a" "f1274a27d11579818f3cb0e4416baea1e390c1e6e76c9be56c801b6f77825f10", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking alg v0.1.0 (https://github.com/sav/alg.git?branch=master#ced98879)
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/bin/zigzag-conversion.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let s = input.read_as::<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<String, Infallible>
[INFO] [stdout]   --> src/bin/zigzag-conversion.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let s = input.read_as::<String>()?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode` (bin "zigzag-conversion" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:137:36
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let s: Result<String, _> = cursor.read_as();
[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<String, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:138:20
[INFO] [stdout]     |
[INFO] [stdout] 138 |         assert_eq!(s, Ok("2".to_string()));
[INFO] [stdout]     |                    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |         assert_eq!(s, Ok("2".to_string()));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         assert_eq!(s, Ok("2".to_string()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         assert_eq!(s, Ok("2".to_string()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         assert_eq!(s, Ok("2".to_string()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         assert_eq!(s, Ok("2".to_string()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let mat1 = cursor.read_matrix_of::<String>();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             mat1,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 | /             Ok(vec![
[INFO] [stdout] 201 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] 202 | |                 vec!["6".into(), ".".into()],
[INFO] [stdout] 203 | |                 vec![".".into(), "9".into()]
[INFO] [stdout] 204 | |             ])
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 | /         assert_eq!(
[INFO] [stdout] 199 | |             mat1,
[INFO] [stdout] 200 | |             Ok(vec![
[INFO] [stdout] 201 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |             ])
[INFO] [stdout] 205 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 | /         assert_eq!(
[INFO] [stdout] 199 | |             mat1,
[INFO] [stdout] 200 | |             Ok(vec![
[INFO] [stdout] 201 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |             ])
[INFO] [stdout] 205 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 | /         assert_eq!(
[INFO] [stdout] 199 | |             mat1,
[INFO] [stdout] 200 | |             Ok(vec![
[INFO] [stdout] 201 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |             ])
[INFO] [stdout] 205 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 | /         assert_eq!(
[INFO] [stdout] 199 | |             mat1,
[INFO] [stdout] 200 | |             Ok(vec![
[INFO] [stdout] 201 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |             ])
[INFO] [stdout] 205 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let mat1 = cursor.read_matrix_of::<String>();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             mat1,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 | /             Ok(vec![
[INFO] [stdout] 212 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] 213 | |                 vec!["6".into(), ".".into()],
[INFO] [stdout] 214 | |                 vec![".".into(), "9".into()]
[INFO] [stdout] 215 | |             ])
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | /         assert_eq!(
[INFO] [stdout] 210 | |             mat1,
[INFO] [stdout] 211 | |             Ok(vec![
[INFO] [stdout] 212 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |             ])
[INFO] [stdout] 216 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | /         assert_eq!(
[INFO] [stdout] 210 | |             mat1,
[INFO] [stdout] 211 | |             Ok(vec![
[INFO] [stdout] 212 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |             ])
[INFO] [stdout] 216 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | /         assert_eq!(
[INFO] [stdout] 210 | |             mat1,
[INFO] [stdout] 211 | |             Ok(vec![
[INFO] [stdout] 212 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |             ])
[INFO] [stdout] 216 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | /         assert_eq!(
[INFO] [stdout] 210 | |             mat1,
[INFO] [stdout] 211 | |             Ok(vec![
[INFO] [stdout] 212 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |             ])
[INFO] [stdout] 216 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:219:20
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let mat1 = cursor.read_matrix_of::<String>();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             mat1,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 | /             Ok(vec![
[INFO] [stdout] 223 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] 224 | |                 vec!["6".into(), ".".into()],
[INFO] [stdout] 225 | |                 vec![".".into(), "9".into()]
[INFO] [stdout] 226 | |             ])
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | /         assert_eq!(
[INFO] [stdout] 221 | |             mat1,
[INFO] [stdout] 222 | |             Ok(vec![
[INFO] [stdout] 223 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 226 | |             ])
[INFO] [stdout] 227 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | /         assert_eq!(
[INFO] [stdout] 221 | |             mat1,
[INFO] [stdout] 222 | |             Ok(vec![
[INFO] [stdout] 223 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 226 | |             ])
[INFO] [stdout] 227 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | /         assert_eq!(
[INFO] [stdout] 221 | |             mat1,
[INFO] [stdout] 222 | |             Ok(vec![
[INFO] [stdout] 223 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 226 | |             ])
[INFO] [stdout] 227 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<Vec<String>>, Infallible>
[INFO] [stdout]    --> src/lib/leetcode.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | /         assert_eq!(
[INFO] [stdout] 221 | |             mat1,
[INFO] [stdout] 222 | |             Ok(vec![
[INFO] [stdout] 223 | |                 vec!["5".into(), "3".into()],
[INFO] [stdout] ...   |
[INFO] [stdout] 226 | |             ])
[INFO] [stdout] 227 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/bin/roman-to-integer.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let s = input.read_as::<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: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/bin/longest-substring-without-repeating-characters.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let s = input.read_as::<String>()?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode` (bin "longest-substring-without-repeating-characters") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/longest-substring-without-repeating-characters.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let s = input.read_as::<String>()?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode` (bin "roman-to-integer" test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/roman-to-integer.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let s = input.read_as::<String>()?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, String>
[INFO] [stdout]   --> src/bin/longest-palindromic-substring.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let s = input.read_as::<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<String, Infallible>
[INFO] [stdout]   --> src/bin/longest-palindromic-substring.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let s = input.read_as::<String>()?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode` (bin "longest-palindromic-substring") due to 2 previous errors
[INFO] [stderr] error: could not compile `leetcode` (lib test) due to 28 previous errors
[INFO] running `Command { std: "docker" "inspect" "f1274a27d11579818f3cb0e4416baea1e390c1e6e76c9be56c801b6f77825f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1274a27d11579818f3cb0e4416baea1e390c1e6e76c9be56c801b6f77825f10", kill_on_drop: false }`
[INFO] [stdout] f1274a27d11579818f3cb0e4416baea1e390c1e6e76c9be56c801b6f77825f10
