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[INFO] [stdout] 073b733f1d0e75aad7d20d4a12b8db21cdc38775
[INFO] testing nt2311-vn/100-exercises-to-learn-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt2311-vn%2F100-exercises-to-learn-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nt2311-vn/100-exercises-to-learn-rust
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[INFO] tweaked toml for git repo https://github.com/nt2311-vn/100-exercises-to-learn-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nt2311-vn/100-exercises-to-learn-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-width v0.1.13
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[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stdout] warning: function `outro` is never used
[INFO] [stdout]  --> exercises/07_threads/14_sync/src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn outro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling intro_08 v0.1.0 (/opt/rustwide/workdir/exercises/08_futures/00_intro)
[INFO] [stderr]    Compiling references_in_memory v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/10_references_in_memory)
[INFO] [stdout] warning: function `intro` is never used
[INFO] [stdout]  --> exercises/08_futures/00_intro/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn intro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `status` are never read
[INFO] [stdout]  --> exercises/03_ticket_v1/10_references_in_memory/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ticket {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 2 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 3 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 4 |     status: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling notify-debouncer-mini v0.4.1
[INFO] [stderr]    Compiling intro_02 v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/00_intro)
[INFO] [stderr]    Compiling stack v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/08_stack)
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir/exercises/06_ticket_management/01_arrays)
[INFO] [stdout] warning: unused variable: `day`
[INFO] [stdout]   --> exercises/06_ticket_management/01_arrays/src/lib.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_temperature(&self, day: Weekday) -> Option<i32> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_day`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day`
[INFO] [stdout]   --> exercises/06_ticket_management/01_arrays/src/lib.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn set_temperature(&mut self, day: Weekday, temperature: i32) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_day`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temperature`
[INFO] [stdout]   --> exercises/06_ticket_management/01_arrays/src/lib.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn set_temperature(&mut self, day: Weekday, temperature: i32) {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temperature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling from v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/09_from)
[INFO] [stderr]    Compiling outro_03 v0.1.0 (/opt/rustwide/workdir/exercises/04_traits/14_outro)
[INFO] [stdout] error[E0277]: the trait bound `WrappingU32: From<{integer}>` is not satisfied
[INFO] [stdout]  --> exercises/04_traits/09_from/src/lib.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let wrapping: WrappingU32 = 42.into();
[INFO] [stdout]   |                                    ^^^^ the trait `From<{integer}>` is not implemented for `WrappingU32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required for `{integer}` to implement `Into<WrappingU32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leaking v0.1.0 (/opt/rustwide/workdir/exercises/07_threads/03_leak)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> exercises/04_traits/09_from/src/lib.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let wrapping = WrappingU32::from(42);
[INFO] [stdout]   |                    ----------------- ^^ expected `WrappingU32`, found integer
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    arguments to this function are incorrect
[INFO] [stdout]   |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]  --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/convert/mod.rs:588:8
[INFO] [stdout] help: try wrapping the expression in `WrappingU32`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let wrapping = WrappingU32::from(WrappingU32 { value: 42 });
[INFO] [stdout]   |                                      ++++++++++++++++++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling destructor v0.1.0 (/opt/rustwide/workdir/exercises/03_ticket_v1/11_destructor)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> exercises/07_threads/03_leak/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> exercises/07_threads/03_leak/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sum(v: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `from` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `outro` is never used
[INFO] [stdout]  --> exercises/03_ticket_v1/11_destructor/src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn outro() -> &'static str {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c54f392366f0abc1267172aecd476513dcdec910e4054a578393a128628b726d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54f392366f0abc1267172aecd476513dcdec910e4054a578393a128628b726d", kill_on_drop: false }`
[INFO] [stdout] c54f392366f0abc1267172aecd476513dcdec910e4054a578393a128628b726d