[INFO] cloning repository https://github.com/droundy/rust-student-pairs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/droundy/rust-student-pairs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Frust-student-pairs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Frust-student-pairs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cf2d96100bdbf38828afd59dba38df1897dcc00
[INFO] checking droundy/rust-student-pairs against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Frust-student-pairs" "/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/droundy/rust-student-pairs
[INFO] finished tweaking git repo https://github.com/droundy/rust-student-pairs
[INFO] tweaked toml for git repo https://github.com/droundy/rust-student-pairs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/droundy/rust-student-pairs on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/droundy/rust-student-pairs 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rust-student-pairs` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8
[INFO] running `Command { std: "docker" "start" "98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rust-student-pairs` (manifest) generated 1 warning
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[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 126 | |                     id: usize,
[INFO] [stdout] 127 | |                     name: String,
[INFO] [stdout] 128 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 126 | |                     id: usize,
[INFO] [stdout] 127 | |                     name: String,
[INFO] [stdout] 128 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:174:23
[INFO] [stdout]     |
[INFO] [stdout] 174 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 175 | |                     team: String,
[INFO] [stdout] 176 | |                     section: String,
[INFO] [stdout] 177 | |                     student: String,
[INFO] [stdout] 178 | |                     action: String,
[INFO] [stdout] 179 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:174:23
[INFO] [stdout]     |
[INFO] [stdout] 174 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 175 | |                     team: String,
[INFO] [stdout] 176 | |                     section: String,
[INFO] [stdout] 177 | |                     student: String,
[INFO] [stdout] 178 | |                     action: String,
[INFO] [stdout] 179 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 268 | |                     team: String,
[INFO] [stdout] 269 | |                     section: String,
[INFO] [stdout] 270 | |                     primary: String,
[INFO] [stdout] 271 | |                     secondary: String,
[INFO] [stdout] 272 | |                     action: String,
[INFO] [stdout] 273 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 268 | |                     team: String,
[INFO] [stdout] 269 | |                     section: String,
[INFO] [stdout] 270 | |                     primary: String,
[INFO] [stdout] 271 | |                     secondary: String,
[INFO] [stdout] 272 | |                     action: String,
[INFO] [stdout] 273 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:340:23
[INFO] [stdout]     |
[INFO] [stdout] 340 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 341 | |                     section: String,
[INFO] [stdout] 342 | |                     oldname: String,
[INFO] [stdout] 343 | |                     newname: String,
[INFO] [stdout] 344 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:340:23
[INFO] [stdout]     |
[INFO] [stdout] 340 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 341 | |                     section: String,
[INFO] [stdout] 342 | |                     oldname: String,
[INFO] [stdout] 343 | |                     newname: String,
[INFO] [stdout] 344 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:381:23
[INFO] [stdout]     |
[INFO] [stdout] 381 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 382 | |                     oldname: String,
[INFO] [stdout] 383 | |                     newname: String,
[INFO] [stdout] 384 | |                     newzoom: String,
[INFO] [stdout] 385 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:381:23
[INFO] [stdout]     |
[INFO] [stdout] 381 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 382 | |                     oldname: String,
[INFO] [stdout] 383 | |                     newname: String,
[INFO] [stdout] 384 | |                     newzoom: String,
[INFO] [stdout] 385 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 424 | |                     oldname: String,
[INFO] [stdout] 425 | |                     newname: String,
[INFO] [stdout] 426 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 424 | |                     oldname: String,
[INFO] [stdout] 425 | |                     newname: String,
[INFO] [stdout] 426 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 126 | |                     id: usize,
[INFO] [stdout] 127 | |                     name: String,
[INFO] [stdout] 128 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 126 | |                     id: usize,
[INFO] [stdout] 127 | |                     name: String,
[INFO] [stdout] 128 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:174:23
[INFO] [stdout]     |
[INFO] [stdout] 174 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 175 | |                     team: String,
[INFO] [stdout] 176 | |                     section: String,
[INFO] [stdout] 177 | |                     student: String,
[INFO] [stdout] 178 | |                     action: String,
[INFO] [stdout] 179 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:174:23
[INFO] [stdout]     |
[INFO] [stdout] 174 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 175 | |                     team: String,
[INFO] [stdout] 176 | |                     section: String,
[INFO] [stdout] 177 | |                     student: String,
[INFO] [stdout] 178 | |                     action: String,
[INFO] [stdout] 179 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 268 | |                     team: String,
[INFO] [stdout] 269 | |                     section: String,
[INFO] [stdout] 270 | |                     primary: String,
[INFO] [stdout] 271 | |                     secondary: String,
[INFO] [stdout] 272 | |                     action: String,
[INFO] [stdout] 273 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 268 | |                     team: String,
[INFO] [stdout] 269 | |                     section: String,
[INFO] [stdout] 270 | |                     primary: String,
[INFO] [stdout] 271 | |                     secondary: String,
[INFO] [stdout] 272 | |                     action: String,
[INFO] [stdout] 273 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:340:23
[INFO] [stdout]     |
[INFO] [stdout] 340 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 341 | |                     section: String,
[INFO] [stdout] 342 | |                     oldname: String,
[INFO] [stdout] 343 | |                     newname: String,
[INFO] [stdout] 344 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:340:23
[INFO] [stdout]     |
[INFO] [stdout] 340 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 341 | |                     section: String,
[INFO] [stdout] 342 | |                     oldname: String,
[INFO] [stdout] 343 | |                     newname: String,
[INFO] [stdout] 344 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:381:23
[INFO] [stdout]     |
[INFO] [stdout] 381 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 382 | |                     oldname: String,
[INFO] [stdout] 383 | |                     newname: String,
[INFO] [stdout] 384 | |                     newzoom: String,
[INFO] [stdout] 385 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:381:23
[INFO] [stdout]     |
[INFO] [stdout] 381 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 382 | |                     oldname: String,
[INFO] [stdout] 383 | |                     newname: String,
[INFO] [stdout] 384 | |                     newzoom: String,
[INFO] [stdout] 385 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 424 | |                     oldname: String,
[INFO] [stdout] 425 | |                     newname: String,
[INFO] [stdout] 426 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |                   match post_input!(request, {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 424 | |                     oldname: String,
[INFO] [stdout] 425 | |                     newname: String,
[INFO] [stdout] 426 | |                 }) {
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `post_input` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewStudent` is never constructed
[INFO] [stdout]   --> src/main.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct NewStudent {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `am_odd` is never read
[INFO] [stdout]     --> src/database.rs:1084:13
[INFO] [stdout]      |
[INFO] [stdout] 1081 |     struct Iter<'a, I> {
[INFO] [stdout]      |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1084 |         pub am_odd: bool,
[INFO] [stdout]      |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewStudent` is never constructed
[INFO] [stdout]   --> src/main.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct NewStudent {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `am_odd` is never read
[INFO] [stdout]     --> src/database.rs:1084:13
[INFO] [stdout]      |
[INFO] [stdout] 1081 |     struct Iter<'a, I> {
[INFO] [stdout]      |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1084 |         pub am_odd: bool,
[INFO] [stdout]      |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.15.4, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8", kill_on_drop: false }`
[INFO] [stdout] 98edc08e50958886fd4a4373c15be29e477010a7764acec1dd503d27b31581d8
