[INFO] cloning repository https://github.com/clemado1/rust-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clemado1/rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclemado1%2Frust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclemado1%2Frust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc8cf6772642349b3f72cd7eb2c29765873e1404
[INFO] fixing clemado1/rust-exercise against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclemado1%2Frust-exercise" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/clemado1/rust-exercise
[INFO] finished tweaking git repo https://github.com/clemado1/rust-exercise
[INFO] tweaked toml for git repo https://github.com/clemado1/rust-exercise written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/clemado1/rust-exercise on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/clemado1/rust-exercise 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: d4_builder_derive/Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `d4_builder_derive` library target)
[INFO] [stderr] warning: `d4_builder_derive` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95
[INFO] running `Command { std: "docker" "start" "cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95", 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" "cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating gui/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating leetcode/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d1_filework/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d2_iterators/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d4_builder/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d4_builder_derive/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating blog/Cargo.toml from 2018 edition to 2021
[INFO] [stderr] warning: d4_builder_derive/Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `d4_builder_derive` library target)
[INFO] [stderr] warning: `d4_builder_derive` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/gui)
[INFO] [stderr]    Migrating gui/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]     Checking d2_iterators v0.1.0 (/opt/rustwide/workdir/d2_iterators)
[INFO] [stderr]    Compiling d4_builder_derive v0.1.0 (/opt/rustwide/workdir/d4_builder_derive)
[INFO] [stderr]    Migrating blog/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stderr]    Migrating d2_iterators/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Migrating d4_builder_derive/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating leetcode/src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Checking d4_builder v0.1.0 (/opt/rustwide/workdir/d4_builder)
[INFO] [stderr]    Migrating d2_iterators/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d4_builder/src/lib.rs from 2018 edition to 2021
[INFO] [stderr] Row = Row { name: "name", ttype: "String" }
[INFO] [stderr] Row = Row { name: "strength", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "health", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "cost", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "abilities", ttype: "Vec<Ability>" }
[INFO] [stderr] Row = Row { name: "triggers", ttype: "BTreeMap<Trigger,String>" }
[INFO] [stderr] Res == impl Card {
[INFO] [stderr]             
[INFO] [stderr]             fn set_name(&mut self, v:String) {
[INFO] [stderr]                 self.name = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_strength(&mut self, v:i32) {
[INFO] [stderr]                 self.strength = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_health(&mut self, v:i32) {
[INFO] [stderr]                 self.health = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_cost(&mut self, v:i32) {
[INFO] [stderr]                 self.cost = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_abilities(&mut self, v:Vec<Ability>) {
[INFO] [stderr]                 self.abilities = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_triggers(&mut self, v:BTreeMap<Trigger,String>) {
[INFO] [stderr]                 self.triggers = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]         }
[INFO] [stderr] Row = Row { name: "name", ttype: "String" }
[INFO] [stderr] Row = Row { name: "strength", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "health", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "cost", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "abilities", ttype: "Vec<Ability>" }
[INFO] [stderr] Row = Row { name: "triggers", ttype: "BTreeMap<Trigger,String>" }
[INFO] [stderr] Res == impl Card {
[INFO] [stderr]             
[INFO] [stderr]             fn set_name(&mut self, v:String) {
[INFO] [stderr]                 self.name = v;
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_strength(&mut self, v:i32) {
[INFO] [stderr]                 self.strength = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_health(&mut self, v:i32) {
[INFO] [stderr]                 self.health = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_cost(&mut self, v:i32) {
[INFO] [stderr]                 self.cost = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_abilities(&mut self, v:Vec<Ability>) {
[INFO] [stderr]                 self.abilities = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_triggers(&mut self, v:BTreeMap<Trigger,String>) {
[INFO] [stderr]                 self.triggers = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]         }
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking d3_lifetimes v0.1.0 (/opt/rustwide/workdir/d3_lifetimes)
[INFO] [stderr]    Migrating d3_lifetimes/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/src/v4_channels.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/src/v6_rayon.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/src/v5_pool.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/src/v2_closure.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/src/v3_rc.rs from 2018 edition to 2021
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking d1_filework v0.1.0 (/opt/rustwide/workdir/d1_filework)
[INFO] [stderr]    Migrating d1_filework/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating d1_filework/src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.49s
[INFO] [stderr] crater-edition-check: gui v0.1.0 (/opt/rustwide/workdir/gui) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: leetcode v0.1.0 (/opt/rustwide/workdir/leetcode) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: d1_filework v0.1.0 (/opt/rustwide/workdir/d1_filework) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: d2_iterators v0.1.0 (/opt/rustwide/workdir/d2_iterators) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: d3_lifetimes v0.1.0 (/opt/rustwide/workdir/d3_lifetimes) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: d4_builder v0.1.0 (/opt/rustwide/workdir/d4_builder) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: d4_builder_derive v0.1.0 (/opt/rustwide/workdir/d4_builder_derive) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: rust_exercise v0.1.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: blog v0.1.0 (/opt/rustwide/workdir/blog) updating edition from 2018 to 2021
[INFO] [stderr] warning: d4_builder_derive/Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `d4_builder_derive` library target)
[INFO] [stderr] warning: `d4_builder_derive` (manifest) generated 1 warning
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/gui)
[INFO] [stderr]     Checking blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]    Compiling d4_builder_derive v0.1.0 (/opt/rustwide/workdir/d4_builder_derive)
[INFO] [stderr]     Checking d2_iterators v0.1.0 (/opt/rustwide/workdir/d2_iterators)
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stderr]     Checking d3_lifetimes v0.1.0 (/opt/rustwide/workdir/d3_lifetimes)
[INFO] [stderr]     Checking d1_filework v0.1.0 (/opt/rustwide/workdir/d1_filework)
[INFO] [stdout] warning: value assigned to `ttype` is never read
[INFO] [stdout]   --> d4_builder_derive/src/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ttype = top.next().unwrap();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]   --> blog/src/lib.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn content<'a>(&self, post: &'a Post) -> &'a str {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `State` is never used
[INFO] [stdout]   --> blog/src/lib.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | trait State {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Draft` is never constructed
[INFO] [stdout]   --> blog/src/lib.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct Draft {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PendingReview` is never constructed
[INFO] [stdout]   --> blog/src/lib.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct PendingReview {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]   --> blog/src/lib.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn content<'a>(&self, post: &'a Post) -> &'a str {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `State` is never used
[INFO] [stdout]   --> blog/src/lib.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | trait State {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Draft` is never constructed
[INFO] [stdout]   --> blog/src/lib.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct Draft {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PendingReview` is never constructed
[INFO] [stdout]   --> blog/src/lib.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct PendingReview {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithLife` is never constructed
[INFO] [stdout]  --> d3_lifetimes/src/v3_rc.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct WithLife<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoLife` is never constructed
[INFO] [stdout]   --> d3_lifetimes/src/v3_rc.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct NoLife {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> d3_lifetimes/src/v3_rc.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn main() -> Result<(), std::io::Error> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_no_life` is never used
[INFO] [stdout]   --> d3_lifetimes/src/v3_rc.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn make_no_life(fname: &str) -> Result<(NoLife, NoLife), std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> d3_lifetimes/src/v4_channels.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_arc` is never used
[INFO] [stdout]  --> d3_lifetimes/src/v4_channels.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn with_arc() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_channels` is never used
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn with_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     done_s.send(());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     let _ = done_s.send(());
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ttype` is never read
[INFO] [stdout]   --> d4_builder_derive/src/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ttype = top.next().unwrap();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WithLife` is never constructed
[INFO] [stdout]  --> d3_lifetimes/src/v3_rc.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct WithLife<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoLife` is never constructed
[INFO] [stdout]   --> d3_lifetimes/src/v3_rc.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct NoLife {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> d3_lifetimes/src/v3_rc.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn main() -> Result<(), std::io::Error> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_no_life` is never used
[INFO] [stdout]   --> d3_lifetimes/src/v3_rc.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn make_no_life(fname: &str) -> Result<(NoLife, NoLife), std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> d3_lifetimes/src/v4_channels.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_arc` is never used
[INFO] [stdout]  --> d3_lifetimes/src/v4_channels.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn with_arc() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_channels` is never used
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn with_channels() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     done_s.send(());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     let _ = done_s.send(());
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ttype` is never read
[INFO] [stdout]   --> d4_builder_derive/src/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ttype = top.next().unwrap();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]  --> d2_iterators/src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     print_any((&["hello", "world"]));
[INFO] [stdout]   |               ^                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 8 -     print_any((&["hello", "world"]));
[INFO] [stdout] 8 +     print_any(&["hello", "world"] );
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]  --> d2_iterators/src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     print_any((&["hello", "world"]));
[INFO] [stdout]   |               ^                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 8 -     print_any((&["hello", "world"]));
[INFO] [stdout] 8 +     print_any(&["hello", "world"] );
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_c` is never used
[INFO] [stdout]   --> d2_iterators/src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn print_c<I: Iterator<Item=String>> (v: I) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> d1_filework/src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_TransactionError`
[INFO] [stdout] 4 | pub enum TransactionError {
[INFO] [stdout]   |          ---------------- `TransactionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> d1_filework/src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_TransactionError`
[INFO] [stdout] 4 | pub enum TransactionError {
[INFO] [stdout]   |          ---------------- `TransactionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_c` is never used
[INFO] [stdout]   --> d2_iterators/src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn print_c<I: Iterator<Item=String>> (v: I) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> d2_iterators/src/combi.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let v: Vec<&str> = s.split(" ").intersperse(",").collect();
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse`
[INFO] [stdout]   --> d2_iterators/src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(iter_intersperse)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d2_iterators/src/gen_range.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut it = GenRangeIterator::new(5., 12., 2.5);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d2_iterators/src/lib.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut it = RangeIterator::new(5, 12, 3);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> d1_filework/src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_TransactionError`
[INFO] [stdout] 4 | pub enum TransactionError {
[INFO] [stdout]   |          ---------------- `TransactionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> d1_filework/src/error.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_TransactionError`
[INFO] [stdout] 4 | pub enum TransactionError {
[INFO] [stdout]   |          ---------------- `TransactionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `s` and `t` are never read
[INFO] [stdout]  --> d3_lifetimes/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct StringHolder<'a> {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 3 |     s: &'a str,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     t: &'a str,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StringHolder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `s` is never read
[INFO] [stdout]  --> d3_lifetimes/src/v3_rc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct WithLife<'a> {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 6 |     s: &'a String,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `WithLife` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     done_s.send(());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     let _ = done_s.send(());
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     done_s.send(());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     let _ = done_s.send(());
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `s` and `t` are never read
[INFO] [stdout]  --> d3_lifetimes/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct StringHolder<'a> {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 3 |     s: &'a str,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     t: &'a str,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StringHolder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `s` is never read
[INFO] [stdout]  --> d3_lifetimes/src/v3_rc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct WithLife<'a> {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 6 |     s: &'a String,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `WithLife` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking d4_builder v0.1.0 (/opt/rustwide/workdir/d4_builder)
[INFO] [stderr] Row = Row { name: "name", ttype: "String" }
[INFO] [stderr] Row = Row { name: "strength", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "health", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "cost", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "abilities", ttype: "Vec<Ability>" }
[INFO] [stderr] Row = Row { name: "triggers", ttype: "BTreeMap<Trigger,String>" }
[INFO] [stderr] Res == impl Card {
[INFO] [stderr]             
[INFO] [stderr]             fn set_name(&mut self, v:String) {
[INFO] [stderr]                 self.name = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_strength(&mut self, v:i32) {
[INFO] [stderr]                 self.strength = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_health(&mut self, v:i32) {
[INFO] [stderr]                 self.health = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_cost(&mut self, v:i32) {
[INFO] [stderr]                 self.cost = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_abilities(&mut self, v:Vec<Ability>) {
[INFO] [stderr]                 self.abilities = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_triggers(&mut self, v:BTreeMap<Trigger,String>) {
[INFO] [stderr]                 self.triggers = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]         }
[INFO] [stdout] warning: unused macro definition: `svg`
[INFO] [stdout]  --> d4_builder/src/svc_mac.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! svg {
[INFO] [stdout]   |              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Row = Row { name: "name", ttype: "String" }
[INFO] [stderr] Row = Row { name: "strength", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "health", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "cost", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "abilities", ttype: "Vec<Ability>" }
[INFO] [stderr] Row = Row { name: "triggers", ttype: "BTreeMap<Trigger,String>" }
[INFO] [stderr] Res == impl Card {
[INFO] [stderr]             
[INFO] [stderr]             fn set_name(&mut self, v:String) {
[INFO] [stderr]                 self.name = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_strength(&mut self, v:i32) {
[INFO] [stderr]                 self.strength = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_health(&mut self, v:i32) {
[INFO] [stderr]                 self.health = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_cost(&mut self, v:i32) {
[INFO] [stderr]                 self.cost = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_abilities(&mut self, v:Vec<Ability>) {
[INFO] [stderr]                 self.abilities = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_triggers(&mut self, v:BTreeMap<Trigger,String>) {
[INFO] [stderr]                 self.triggers = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]         }
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> d4_builder/src/svc_mac.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn x<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn y<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn w<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn h<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Ability` is never used
[INFO] [stdout]  --> d4_builder/src/card.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Ability {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Trigger` is never used
[INFO] [stdout]   --> d4_builder/src/card.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Trigger {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]   --> d4_builder/src/card.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CardBuilder` is never constructed
[INFO] [stdout]   --> d4_builder/src/card.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct CardBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `strength`, `health`, `cost`, `trigger`, and `build` are never used
[INFO] [stdout]   --> d4_builder/src/card.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl CardBuilder {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 52 |     pub fn new (name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn strength(mut self, s: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn health(mut self, s: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn cost(mut self, s: i32) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn trigger(mut self, t: Trigger, s: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn build(self) -> Card {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build` is never used
[INFO] [stdout]   --> d4_builder/src/card.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl Card {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 92 |     pub fn build(name: String) -> CardBuilder {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Triggerable` is never used
[INFO] [stdout]   --> d4_builder/src/card.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub trait Triggerable {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TriggerWrap` is never constructed
[INFO] [stdout]    --> d4_builder/src/card.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct TriggerWrap<A: Triggerable, B: Triggerable> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn x<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn y<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn w<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> d4_builder/src/lib.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn h<V: Display>(mut self, v: V) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Charge` and `Taunt` are never constructed
[INFO] [stdout]  --> d4_builder/src/card.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Ability {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 6 |     Charge,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     Taunt,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ability` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EnemyDeath` and `Damage` are never constructed
[INFO] [stdout]   --> d4_builder/src/card.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Trigger {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     EnemyDeath,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     Damage,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Trigger` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `health` and `cost` are never used
[INFO] [stdout]   --> d4_builder/src/card.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl CardBuilder {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn health(mut self, s: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn cost(mut self, s: i32) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.57s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating gui/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating leetcode/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d1_filework/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d2_iterators/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d3_lifetimes/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d4_builder/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating d4_builder_derive/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating blog/Cargo.toml from 2018 edition to 2021
[INFO] [stderr] warning: d4_builder_derive/Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `d4_builder_derive` library target)
[INFO] [stderr] warning: `d4_builder_derive` (manifest) generated 1 warning
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/gui)
[INFO] [stderr]     Checking blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]     Checking d2_iterators v0.1.0 (/opt/rustwide/workdir/d2_iterators)
[INFO] [stdout] warning: value assigned to `ttype` is never read
[INFO] [stdout]   --> d4_builder_derive/src/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ttype = top.next().unwrap();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking d4_builder_derive v0.1.0 (/opt/rustwide/workdir/d4_builder_derive)
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stderr]     Checking d4_builder v0.1.0 (/opt/rustwide/workdir/d4_builder)
[INFO] [stderr]    Migrating blog/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking d3_lifetimes v0.1.0 (/opt/rustwide/workdir/d3_lifetimes)
[INFO] [stderr]     Checking d1_filework v0.1.0 (/opt/rustwide/workdir/d1_filework)
[INFO] [stderr]    Migrating d2_iterators/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating gui/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating leetcode/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d3_lifetimes/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |             match ch_r.recv() {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                   up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 39 |                 Ok(f) => {
[INFO] [stdout]    |                    -
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    `f` calls a custom destructor
[INFO] [stdout]    |                    `f` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 49 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `f` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating d1_filework/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d4_builder/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed d4_builder/src/svc_mac.rs (2 fixes)
[INFO] [stderr] Row = Row { name: "name", ttype: "String" }
[INFO] [stderr]    Migrating d4_builder_derive/src/lib.rs from 2021 edition to 2024
[INFO] [stderr] Row = Row { name: "strength", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "health", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "cost", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "abilities", ttype: "Vec<Ability>" }
[INFO] [stderr] Row = Row { name: "triggers", ttype: "BTreeMap<Trigger,String>" }
[INFO] [stderr] Res == impl Card {
[INFO] [stderr]             
[INFO] [stderr]             fn set_name(&mut self, v:String) {
[INFO] [stderr]                 self.name = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_strength(&mut self, v:i32) {
[INFO] [stderr]                 self.strength = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_health(&mut self, v:i32) {
[INFO] [stderr]                 self.health = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_cost(&mut self, v:i32) {
[INFO] [stderr]                 self.cost = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_abilities(&mut self, v:Vec<Ability>) {
[INFO] [stderr]                 self.abilities = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_triggers(&mut self, v:BTreeMap<Trigger,String>) {
[INFO] [stderr]                 self.triggers = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]         }
[INFO] [stderr]        Fixed d4_builder_derive/src/lib.rs (1 fix)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> d4_builder_derive/src/lib.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |         match i.next() {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |               up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |             Some(v) => ttype.push_str(&v.to_string()),
[INFO] [stdout]    |                  -
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  `v` calls a custom destructor
[INFO] [stdout]    |                  `v` will be dropped later as of Edition 2024
[INFO] [stdout] 40 |         }
[INFO] [stdout] 41 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `v` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Row = Row { name: "name", ttype: "String" }
[INFO] [stderr] Row = Row { name: "strength", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "health", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "cost", ttype: "i32" }
[INFO] [stderr] Row = Row { name: "abilities", ttype: "Vec<Ability>" }
[INFO] [stderr] Row = Row { name: "triggers", ttype: "BTreeMap<Trigger,String>" }
[INFO] [stderr] Res == impl Card {
[INFO] [stderr]             
[INFO] [stderr]             fn set_name(&mut self, v:String) {
[INFO] [stderr]                 self.name = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_strength(&mut self, v:i32) {
[INFO] [stderr]                 self.strength = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_health(&mut self, v:i32) {
[INFO] [stderr]                 self.health = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_cost(&mut self, v:i32) {
[INFO] [stderr]                 self.cost = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_abilities(&mut self, v:Vec<Ability>) {
[INFO] [stderr]                 self.abilities = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]             fn set_triggers(&mut self, v:BTreeMap<Trigger,String>) {
[INFO] [stderr]                 self.triggers = v;
[INFO] [stderr]             }
[INFO] [stderr]             
[INFO] [stderr]         }
[INFO] [stderr]     Checking rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> d4_builder_derive/src/lib.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 21 |         match i.next() {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |               up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |             Some(v) => ttype.push_str(&v.to_string()),
[INFO] [stdout]    |                  -
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  `v` calls a custom destructor
[INFO] [stdout]    |                  `v` will be dropped later as of Edition 2024
[INFO] [stdout] 40 |         }
[INFO] [stdout] 41 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `v` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |             match ch_r.recv() {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                   up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 39 |                 Ok(f) => {
[INFO] [stdout]    |                    -
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    `f` calls a custom destructor
[INFO] [stdout]    |                    `f` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 49 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `f` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating d2_iterators/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d3_lifetimes/src/v4_channels.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |             match ch_r.recv() {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                   up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 39 |                 Ok(f) => {
[INFO] [stdout]    |                    -
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    `f` calls a custom destructor
[INFO] [stdout]    |                    `f` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 49 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `f` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> d3_lifetimes/src/v4_channels.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |             match ch_r.recv() {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                   up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 39 |                 Ok(f) => {
[INFO] [stdout]    |                    -
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    `f` calls a custom destructor
[INFO] [stdout]    |                    `f` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 49 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `f` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating d3_lifetimes/src/v2_closure.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d3_lifetimes/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d3_lifetimes/src/v6_rayon.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d1_filework/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d3_lifetimes/src/v5_pool.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating d3_lifetimes/src/v3_rc.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.89s
[INFO] [stderr] crater-edition-check: gui v0.1.0 (/opt/rustwide/workdir/gui) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: leetcode v0.1.0 (/opt/rustwide/workdir/leetcode) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: d1_filework v0.1.0 (/opt/rustwide/workdir/d1_filework) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: d2_iterators v0.1.0 (/opt/rustwide/workdir/d2_iterators) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: d3_lifetimes v0.1.0 (/opt/rustwide/workdir/d3_lifetimes) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: d4_builder v0.1.0 (/opt/rustwide/workdir/d4_builder) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: d4_builder_derive v0.1.0 (/opt/rustwide/workdir/d4_builder_derive) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: rust_exercise v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: blog v0.1.0 (/opt/rustwide/workdir/blog) updating edition from 2021 to 2024
[INFO] [stderr] error: failed to load manifest for workspace member `/opt/rustwide/workdir/d4_builder`
[INFO] [stderr] referenced by workspace at `/opt/rustwide/workdir/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load manifest for dependency `d4_builder_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse manifest at `/opt/rustwide/workdir/d4_builder_derive/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   `proc_macro` is unsupported as of the 2024 edition; instead use `proc-macro`
[INFO] [stderr]   (in the `d4_builder_derive` library target)
[INFO] running `Command { std: "docker" "inspect" "cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95", kill_on_drop: false }`
[INFO] [stdout] cfab640abae61818f69a887992fea100f282888b888c868dae9da3f894905f95
