[INFO] fetching crate rs_observable 0.1.4... [INFO] checking rs_observable-0.1.4 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate rs_observable 0.1.4 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate rs_observable 0.1.4 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rs_observable 0.1.4 [INFO] finished tweaking crates.io crate rs_observable 0.1.4 [INFO] tweaked toml for crates.io crate rs_observable 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 57 packages to latest compatible versions [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18407eafa2269b995d8579ce41731549f09fff2dbb78bdec9e501439d33c02f3 [INFO] running `Command { std: "docker" "start" "-a" "18407eafa2269b995d8579ce41731549f09fff2dbb78bdec9e501439d33c02f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18407eafa2269b995d8579ce41731549f09fff2dbb78bdec9e501439d33c02f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18407eafa2269b995d8579ce41731549f09fff2dbb78bdec9e501439d33c02f3", kill_on_drop: false }` [INFO] [stdout] 18407eafa2269b995d8579ce41731549f09fff2dbb78bdec9e501439d33c02f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a0376e54fa370f5761772783fee055bb2d068a5317fec5feb2c547106d337ce [INFO] running `Command { std: "docker" "start" "-a" "4a0376e54fa370f5761772783fee055bb2d068a5317fec5feb2c547106d337ce", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Migrating Cargo.toml from 2021 edition to 2024 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Checking rs_observable v0.1.4 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] Fixed src/observed_value.rs (1 fix) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/chobservable.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | /// creates a new object [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 44 | / ChObservable { [INFO] [stdout] 45 | | observers: Arc::new(Mutex::new(Vec::new())), [INFO] [stdout] 46 | | next_id: 1, [INFO] [stdout] 47 | | } [INFO] [stdout] | |_________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `notify` is never used [INFO] [stdout] --> src/observable.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub trait Observer { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 10 | fn notify(&mut self, data: T); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `observer` are never read [INFO] [stdout] --> src/observable.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | struct StoredObserver { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 14 | pub id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | pub observer: Rc + Send + Sync>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/observable.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl StoredObserver { [INFO] [stdout] | -------------------------------- associated function in this implementation [INFO] [stdout] 19 | pub fn new(id: u32, observer: Rc + Send + Sync>>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `observers` and `next_id` are never read [INFO] [stdout] --> src/observable.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Observable { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 29 | /// List of registered observers [INFO] [stdout] 30 | observers: Vec>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 31 | /// helper to stores the next ID assigned to a new registered Observer [INFO] [stdout] 32 | next_id: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `register`, `unregister`, `notify_observers`, and `notify_observers_borrowed` are never used [INFO] [stdout] --> src/observable.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Observable { [INFO] [stdout] | ---------------------------- associated items in this implementation [INFO] [stdout] 36 | /// Creates a new Observable object [INFO] [stdout] 37 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn register(&mut self, observer: Rc + Send + Sync>>) -> u32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn unregister(&mut self, observer_id: u32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn notify_observers(&self, data: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn notify_observers_borrowed(&self, data: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `observable` is never read [INFO] [stdout] --> src/observed_value.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ObservedValue { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 10 | observable: Observable>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_value`, `reset_value`, `register`, and `unregister` are never used [INFO] [stdout] --> src/observed_value.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl ObservedValue { [INFO] [stdout] | ------------------------------- associated items in this implementation [INFO] [stdout] 15 | /// Create a new instance [INFO] [stdout] 16 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_value(&mut self, v: &T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn reset_value(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn register(&mut self, observer: Rc> + Send + Sync>>) -> u32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn unregister(&mut self, observer_id: u32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/observed_value.rs:86:16 [INFO] [stdout] | [INFO] [stdout] 85 | impl MyString { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 86 | pub fn new(v: &str) -> MyString { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ObserverString` is never constructed [INFO] [stdout] --> src/observed_value.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | struct ObserverString { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/observed_value.rs:108:16 [INFO] [stdout] | [INFO] [stdout] 107 | impl ObserverString { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 108 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ObservedValue` [INFO] [stdout] --> src/observed_value.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | let mut o = ObservedValue::::new(); [INFO] [stdout] | ^^^^^^^^^^^^^ use of undeclared type `ObservedValue` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 80 + use crate::observed_value::ObservedValue; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::observable::Observable` [INFO] [stdout] --> src/observed_value.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | use crate::observable::Observable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/chobservable.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | /// creates a new object [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 44 | / ChObservable { [INFO] [stdout] 45 | | observers: Arc::new(Mutex::new(Vec::new())), [INFO] [stdout] 46 | | next_id: 1, [INFO] [stdout] 47 | | } [INFO] [stdout] | |_________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rs_observable` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "4a0376e54fa370f5761772783fee055bb2d068a5317fec5feb2c547106d337ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a0376e54fa370f5761772783fee055bb2d068a5317fec5feb2c547106d337ce", kill_on_drop: false }` [INFO] [stdout] 4a0376e54fa370f5761772783fee055bb2d068a5317fec5feb2c547106d337ce