[INFO] cloning repository https://github.com/davidmkwon/rust-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidmkwon/rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmkwon%2Frust-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmkwon%2Frust-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07d52e9bc69cad782810a31dd743330ae5929f05
[INFO] fixing davidmkwon/rust-book 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%2Fdavidmkwon%2Frust-book" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/davidmkwon/rust-book
[INFO] finished tweaking git repo https://github.com/davidmkwon/rust-book
[INFO] tweaked toml for git repo https://github.com/davidmkwon/rust-book written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidmkwon/rust-book 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/davidmkwon/rust-book 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b
[INFO] running `Command { std: "docker" "start" "515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b", 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" "515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b", 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" "515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b" "/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 basics/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating hello_macro/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating hello_macro/hello_macro_derive/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating minigrep/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating modules/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating server/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/modules)
[INFO] [stderr]    Migrating hello_macro/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating modules/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating server/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating modules/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating server/src/bin/main.rs from 2018 edition to 2021
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive)
[INFO] [stderr]    Migrating hello_macro/hello_macro_derive/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Migrating minigrep/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]    Migrating minigrep/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/tests/integration_tests.rs from 2018 edition to 2021
[INFO] [stderr]     Checking book v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stderr]    Migrating basics/src/bin/errors.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/collections.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/match.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/advanced.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/functional.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/smart_pointers.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/basics.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/oop.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/concurrency.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/generics.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/ownership.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/macros.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/enums.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating basics/src/bin/structs.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 5.95s
[INFO] [stderr] crater-edition-check: book v0.1.0 (/opt/rustwide/workdir/basics) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: modules v0.1.0 (/opt/rustwide/workdir/modules) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: tests v0.1.0 (/opt/rustwide/workdir/tests) updating edition from 2018 to 2021
[INFO] [stderr] crater-edition-check: server v0.1.0 (/opt/rustwide/workdir/server) updating edition from 2018 to 2021
[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]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/modules)
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive)
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> server/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 58 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> server/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 58 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Checking book v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> basics/src/bin/advanced.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         println!("{}", COUNTER);
[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 shared reference to mutable static
[INFO] [stdout]   --> basics/src/bin/advanced.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         println!("{}", COUNTER);
[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] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 6.50s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating basics/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating hello_macro/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating hello_macro/hello_macro_derive/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating minigrep/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating modules/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/Cargo.toml from 2018 edition to 2021
[INFO] [stderr]    Migrating server/Cargo.toml from 2018 edition to 2021
[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]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/modules)
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]    Migrating server/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]     Checking hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive)
[INFO] [stderr]     Checking book v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Migrating modules/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating hello_macro/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating hello_macro/hello_macro_derive/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed hello_macro/hello_macro_derive/src/lib.rs (2 fixes)
[INFO] [stderr]    Migrating basics/src/bin/match.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/collections.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/functional.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/enums.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/concurrency.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/errors.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating minigrep/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating server/src/bin/main.rs from 2021 edition to 2024
[INFO] [stderr]     Checking tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]    Migrating modules/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/basics.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/generics.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/advanced.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed basics/src/bin/advanced.rs (2 fixes)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> basics/src/bin/advanced.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         println!("{}", COUNTER);
[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: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating basics/src/bin/smart_pointers.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/oop.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/macros.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed basics/src/bin/macros.rs (1 fix)
[INFO] [stderr]    Migrating tests/src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating minigrep/src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/structs.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating basics/src/bin/ownership.rs from 2021 edition to 2024
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> basics/src/bin/advanced.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         println!("{}", COUNTER);
[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: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/tests/integration_tests.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 10.27s
[INFO] [stderr] crater-edition-check: book v0.1.0 (/opt/rustwide/workdir/basics) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: modules v0.1.0 (/opt/rustwide/workdir/modules) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: tests v0.1.0 (/opt/rustwide/workdir/tests) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: server v0.1.0 (/opt/rustwide/workdir/server) updating edition from 2021 to 2024
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[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 2024 resolver, specify `workspace.resolver = "3"` 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]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/modules)
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive)
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> server/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 58 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> server/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Worker {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 58 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Checking book v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> basics/src/bin/advanced.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         println!("{}", COUNTER);
[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: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `book` (bin "advanced") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> basics/src/bin/advanced.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |         println!("{}", COUNTER);
[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: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `book` (bin "advanced" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b", kill_on_drop: false }`
[INFO] [stdout] 515d96dbaffa74b9ac27d5120dc89314a4b12afa35a8203c6a6050d33bbe8d3b
