[INFO] cloning repository https://github.com/SunTiebing/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SunTiebing/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunTiebing%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunTiebing%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60b3ffe529bd24bd66aaf5c21b9217f1af2b1556
[INFO] checking SunTiebing/learn_rust against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunTiebing%2Flearn_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SunTiebing/learn_rust
[INFO] finished tweaking git repo https://github.com/SunTiebing/learn_rust
[INFO] tweaked toml for git repo https://github.com/SunTiebing/learn_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SunTiebing/learn_rust on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SunTiebing/learn_rust 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d036b623bd9e2efeae86ef3ad9e995efb7dfb46aa4057e543dc01bef8e456f6f
[INFO] running `Command { std: "docker" "start" "-a" "d036b623bd9e2efeae86ef3ad9e995efb7dfb46aa4057e543dc01bef8e456f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d036b623bd9e2efeae86ef3ad9e995efb7dfb46aa4057e543dc01bef8e456f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d036b623bd9e2efeae86ef3ad9e995efb7dfb46aa4057e543dc01bef8e456f6f", kill_on_drop: false }`
[INFO] [stdout] d036b623bd9e2efeae86ef3ad9e995efb7dfb46aa4057e543dc01bef8e456f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cebbc94bd75970d43873d20d9816b140d983587dfb9be01b1e8d3c44228789b2
[INFO] running `Command { std: "docker" "start" "-a" "cebbc94bd75970d43873d20d9816b140d983587dfb9be01b1e8d3c44228789b2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]     Checking thread_pool v0.1.0 (/opt/rustwide/workdir/thread_pool)
[INFO] [stderr]     Checking rust_course v0.1.0 (/opt/rustwide/workdir/rust_course)
[INFO] [stdout] warning: function `generate_workout` is never used
[INFO] [stdout]   --> minigrep/src/lib.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn generate_workout(intensity: u32, random_number: u32) {
[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 `Cacher` is never constructed
[INFO] [stdout]    --> minigrep/src/lib.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Cacher<T>
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]    --> minigrep/src/lib.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl<T> Cacher<T>
[INFO] [stdout] 113 | | where
[INFO] [stdout] 114 | |     T: Fn(u32) -> u32,
[INFO] [stdout]     | |______________________- associated items in this implementation
[INFO] [stdout] 115 |   {
[INFO] [stdout] 116 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |       fn value(&mut self, args: u32) -> u32 {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_test` is never used
[INFO] [stdout]    --> minigrep/src/lib.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn move_test() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> hello_cargo/src/main.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{self, ErrorKind, Read},
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Course` is never constructed
[INFO] [stdout]  --> rust_course/src/course_three/course.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Course {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `add_student`, `remove_student`, and `new` are never used
[INFO] [stdout]   --> rust_course/src/course_three/course.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Course {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn add_student(&mut self, student: Student) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn remove_student(&mut self, name: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new(name: String, students: Vec<Student>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Society` is never constructed
[INFO] [stdout]  --> rust_course/src/course_three/society.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Society {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `change_name`, `add_student`, `remove_student`, and `new` are never used
[INFO] [stdout]   --> rust_course/src/course_three/society.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Society {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn change_name(&mut self, name: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn add_student(&mut self, student: Student) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn remove_student(&mut self, name: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn new(name: String, members: Vec<Student>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `class` are never read
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Student {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout]  8 |     pub num: u32,
[INFO] [stdout]  9 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |     pub age: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |     pub class: Option<Class>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Student` 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: associated items `change_name`, `change_age`, `change_class`, and `dismiss_student` are never used
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Student {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn change_name(&mut self, name: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn change_age(&mut self, age: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn change_class(&mut self, class: Class) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn dismiss_student(id: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/main.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     unsafe { println!("all students: {:?}", STUDENTS) }
[INFO] [stdout]    |                                             ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/class.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             CLASSES.push(class.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/class.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |             match CLASSES.iter().position(|class| class.num == class_id) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/class.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     CLASSES.remove(index);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             STUDENTS.push(student.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |             if let Some(stu) = STUDENTS.iter().find(|&s| s.num == id) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |             match STUDENTS.iter().position(|stu| stu.num == id) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     STUDENTS.remove(index);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> hello_cargo/src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let s2 = Student { number: 2, ..s1 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let f = match file {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let f = File::open("hello.txt").unwrap(); // 不可以自定义panic
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let f = File::open("hello.txt").expect("Error opening file"); //可以自定义panic
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let f = match file {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> hello_cargo/src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let file = File::open("hello.txt").unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let f = match File::open("hello.txt") {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `number` are never read
[INFO] [stdout]   --> hello_cargo/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     struct Student {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 13 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 14 |         age: i128,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 15 |         number: i128,
[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 `Rectangle` is never constructed
[INFO] [stdout]   --> hello_cargo/src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `area`, `can_hold`, and `square` are never used
[INFO] [stdout]   --> hello_cargo/src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 37 |     fn area(&self) -> u128 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn square(size: u128) -> Rectangle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> hello_cargo/src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn read_file() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file` is never used
[INFO] [stdout]   --> hello_cargo/src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn open_file() -> Result<File, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> hello_cargo/src/main.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{self, ErrorKind, Read},
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Course` is never constructed
[INFO] [stdout]  --> rust_course/src/course_three/course.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Course {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `add_student`, `remove_student`, and `new` are never used
[INFO] [stdout]   --> rust_course/src/course_three/course.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Course {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn add_student(&mut self, student: Student) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn remove_student(&mut self, name: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new(name: String, students: Vec<Student>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Society` is never constructed
[INFO] [stdout]  --> rust_course/src/course_three/society.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Society {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `change_name`, `add_student`, `remove_student`, and `new` are never used
[INFO] [stdout]   --> rust_course/src/course_three/society.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Society {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn change_name(&mut self, name: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn add_student(&mut self, student: Student) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn remove_student(&mut self, name: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn new(name: String, members: Vec<Student>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `age`, and `class` are never read
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Student {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout]  8 |     pub num: u32,
[INFO] [stdout]  9 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |     pub age: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |     pub class: Option<Class>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Student` 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: associated items `change_name`, `change_age`, `change_class`, and `dismiss_student` are never used
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Student {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn change_name(&mut self, name: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn change_age(&mut self, age: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn change_class(&mut self, class: Class) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn dismiss_student(id: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/main.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     unsafe { println!("all students: {:?}", STUDENTS) }
[INFO] [stdout]    |                                             ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/class.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             CLASSES.push(class.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/class.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |             match CLASSES.iter().position(|class| class.num == class_id) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/class.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     CLASSES.remove(index);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             STUDENTS.push(student.clone());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |             if let Some(stu) = STUDENTS.iter().find(|&s| s.num == id) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 |             match STUDENTS.iter().position(|stu| stu.num == id) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> rust_course/src/course_three/student.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     STUDENTS.remove(index);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> hello_cargo/src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let s2 = Student { number: 2, ..s1 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let f = match file {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let f = File::open("hello.txt").unwrap(); // 不可以自定义panic
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let f = File::open("hello.txt").expect("Error opening file"); //可以自定义panic
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let f = match file {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> hello_cargo/src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let file = File::open("hello.txt").unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> hello_cargo/src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let f = match File::open("hello.txt") {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> hello_cargo/src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `area`, `can_hold`, and `square` are never used
[INFO] [stdout]   --> hello_cargo/src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 37 |     fn area(&self) -> u128 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn square(size: u128) -> Rectangle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> hello_cargo/src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn read_file() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file` is never used
[INFO] [stdout]   --> hello_cargo/src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn open_file() -> Result<File, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> minigrep/src/lib.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let mut v1 = vec![1, 2, 3];
[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]    --> minigrep/src/lib.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let mut v2: Vec<i32> = v1.iter().map(|x| x + 1).collect();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v5`
[INFO] [stdout]    --> minigrep/src/lib.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let v5: i32 = v1
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_v5`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout` is never used
[INFO] [stdout]   --> minigrep/src/lib.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn generate_workout(intensity: u32, random_number: u32) {
[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 `Cacher` is never constructed
[INFO] [stdout]    --> minigrep/src/lib.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct Cacher<T>
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]    --> minigrep/src/lib.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl<T> Cacher<T>
[INFO] [stdout] 113 | | where
[INFO] [stdout] 114 | |     T: Fn(u32) -> u32,
[INFO] [stdout]     | |______________________- associated items in this implementation
[INFO] [stdout] 115 |   {
[INFO] [stdout] 116 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |       fn value(&mut self, args: u32) -> u32 {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_test` is never used
[INFO] [stdout]    --> minigrep/src/lib.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn move_test() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cebbc94bd75970d43873d20d9816b140d983587dfb9be01b1e8d3c44228789b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebbc94bd75970d43873d20d9816b140d983587dfb9be01b1e8d3c44228789b2", kill_on_drop: false }`
[INFO] [stdout] cebbc94bd75970d43873d20d9816b140d983587dfb9be01b1e8d3c44228789b2
