[INFO] cloning repository https://github.com/hetu2/rust-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hetu2/rust-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhetu2%2Frust-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhetu2%2Frust-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 768abcc44e3cd6a9880198b6118d2c8bf5fda413
[INFO] checking hetu2/rust-template against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhetu2%2Frust-template" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hetu2/rust-template
[INFO] finished tweaking git repo https://github.com/hetu2/rust-template
[INFO] tweaked toml for git repo https://github.com/hetu2/rust-template written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hetu2/rust-template on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hetu2/rust-template 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ba21c0af306c59f2f29140838393dd61a41c0fe534ea5ec7c78fba3c00f2034b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba21c0af306c59f2f29140838393dd61a41c0fe534ea5ec7c78fba3c00f2034b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba21c0af306c59f2f29140838393dd61a41c0fe534ea5ec7c78fba3c00f2034b", kill_on_drop: false }`
[INFO] [stdout] ba21c0af306c59f2f29140838393dd61a41c0fe534ea5ec7c78fba3c00f2034b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45897b0b840588c196958945cbf93290bcd8e917f257b210659a43ae74d05e54
[INFO] running `Command { std: "docker" "start" "-a" "45897b0b840588c196958945cbf93290bcd8e917f257b210659a43ae74d05e54", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]   --> src/list.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn print() -> Json<Person> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `put_item`
[INFO] [stdout]   --> src/list.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn put_item(new_item: String) -> Json<Vec<String>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `put_post`
[INFO] [stdout]   --> src/list.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn put_post(title: String, message: String) -> Json<Vec<Post>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print`
[INFO] [stdout]   --> src/list.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn print() -> Json<Person> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `put_item`
[INFO] [stdout]   --> src/list.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn put_item(new_item: String) -> Json<Vec<String>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `put_post`
[INFO] [stdout]   --> src/list.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn put_post(title: String, message: String) -> Json<Vec<Post>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/list.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn put_item(new_item: String) -> Json<Vec<String>> {
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/list.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn put_post(title: String, message: String) -> Json<Vec<Post>> {
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/list.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn put_post(title: String, message: String) -> Json<Vec<Post>> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         STATE.push(item);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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: `#[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]   --> src/list/testailua.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |         return STATE.clone();
[INFO] [stdout]    |                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         MESSAGES.push(post);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         return MESSAGES.clone();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let is_used = MESSAGES.iter().find(|&r| r.id == rand_string.to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/list.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn put_item(new_item: String) -> Json<Vec<String>> {
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/list.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn put_post(title: String, message: String) -> Json<Vec<Post>> {
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/list.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn put_post(title: String, message: String) -> Json<Vec<Post>> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         STATE.push(item);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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: `#[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]   --> src/list/testailua.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |         return STATE.clone();
[INFO] [stdout]    |                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         MESSAGES.push(post);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         return MESSAGES.clone();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/list/testailua.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let is_used = MESSAGES.iter().find(|&r| r.id == rand_string.to_string());
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusting` (bin "rusting" test) due to 3 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusting` (bin "rusting") due to 3 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "45897b0b840588c196958945cbf93290bcd8e917f257b210659a43ae74d05e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45897b0b840588c196958945cbf93290bcd8e917f257b210659a43ae74d05e54", kill_on_drop: false }`
[INFO] [stdout] 45897b0b840588c196958945cbf93290bcd8e917f257b210659a43ae74d05e54
