[INFO] cloning repository https://github.com/tawashichan/mini-runtime-2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tawashichan/mini-runtime-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime-2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime-2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cc5c854ec7e89472e812d24a3d0bf9e759657a7c [INFO] testing tawashichan/mini-runtime-2 against beta-2025-09-21 for beta-1.91-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime-2" "/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/tawashichan/mini-runtime-2 [INFO] finished tweaking git repo https://github.com/tawashichan/mini-runtime-2 [INFO] tweaked toml for git repo https://github.com/tawashichan/mini-runtime-2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tawashichan/mini-runtime-2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tawashichan/mini-runtime-2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing tawashichan/mini-runtime-2 against beta-2025-09-21 for beta-1.91-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime-2" "/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/tawashichan/mini-runtime-2 [INFO] finished tweaking git repo https://github.com/tawashichan/mini-runtime-2 [INFO] tweaked toml for git repo https://github.com/tawashichan/mini-runtime-2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tawashichan/mini-runtime-2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tawashichan/mini-runtime-2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-core v0.3.13 [INFO] [stderr] Downloaded getrandom v0.2.2 [INFO] [stderr] Downloaded futures-io v0.3.13 [INFO] [stderr] Downloaded mio-named-pipes v0.1.7 [INFO] [stderr] Downloaded tracing-serde v0.1.2 [INFO] [stderr] Downloaded tokio-macros v0.2.6 [INFO] [stderr] Downloaded pin-project v1.0.6 [INFO] [stderr] Downloaded crossbeam-queue v0.3.1 [INFO] [stderr] Downloaded futures-sink v0.3.13 [INFO] [stderr] Downloaded structopt v0.3.21 [INFO] [stderr] Downloaded crossbeam-utils v0.8.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.3 [INFO] [stderr] Downloaded pin-project-lite v0.2.6 [INFO] [stderr] Downloaded tracing-core v0.1.17 [INFO] [stderr] Downloaded regex v1.4.5 [INFO] [stderr] Downloaded mini-redis v0.2.0 [INFO] [stderr] Downloaded crossbeam v0.8.0 [INFO] [stderr] Downloaded futures-util v0.3.13 [INFO] [stderr] Downloaded tracing-subscriber v0.2.17 [INFO] [stderr] Downloaded serde v1.0.125 [INFO] [stderr] Downloaded libc v0.2.91 [INFO] [stderr] Downloaded futures-channel v0.3.13 [INFO] [stderr] Downloaded strsim v0.8.0 [INFO] [stderr] Downloaded sharded-slab v0.1.1 [INFO] [stderr] Downloaded regex-syntax v0.6.23 [INFO] [stderr] Downloaded tracing v0.1.25 [INFO] [stderr] Downloaded matchers v0.0.1 [INFO] [stderr] Downloaded syn v1.0.64 [INFO] [stderr] Downloaded async-stream-impl v0.2.1 [INFO] [stderr] Downloaded atoi v0.3.3 [INFO] [stderr] Downloaded structopt-derive v0.4.14 [INFO] [stderr] Downloaded pin-project-internal v1.0.6 [INFO] [stderr] Downloaded mio v0.7.11 [INFO] [stderr] Downloaded once_cell v1.7.2 [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] [stderr] Downloaded futures-executor v0.3.13 [INFO] [stderr] Downloaded futures-macro v0.3.13 [INFO] [stderr] Downloaded futures-task v0.3.13 [INFO] [stderr] Downloaded futures v0.3.13 [INFO] [stderr] Downloaded async-stream v0.2.1 [INFO] [stderr] Downloaded tracing-log v0.1.2 [INFO] [stderr] Downloaded thread_local v1.1.3 [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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab9592adceb617265134e8d09c3fcd9c84cdb0e542daaafb4062bf79d300532e [INFO] running `Command { std: "docker" "start" "-a" "ab9592adceb617265134e8d09c3fcd9c84cdb0e542daaafb4062bf79d300532e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab9592adceb617265134e8d09c3fcd9c84cdb0e542daaafb4062bf79d300532e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab9592adceb617265134e8d09c3fcd9c84cdb0e542daaafb4062bf79d300532e", kill_on_drop: false }` [INFO] [stdout] ab9592adceb617265134e8d09c3fcd9c84cdb0e542daaafb4062bf79d300532e [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b962c1775e738769fb460618462ee9b1606c709dce113ccf162be90b1bf5640 [INFO] running `Command { std: "docker" "start" "-a" "7b962c1775e738769fb460618462ee9b1606c709dce113ccf162be90b1bf5640", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-core v0.3.13 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling futures-sink v0.3.13 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling futures-io v0.3.13 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling sharded-slab v0.1.1 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling crossbeam-queue v0.3.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling crossbeam v0.8.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling async-stream v0.2.1 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling tracing-subscriber v0.2.17 [INFO] [stderr] Compiling pin-project v1.0.6 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling futures-executor v0.3.13 [INFO] [stderr] Compiling futures v0.3.13 [INFO] [stderr] Compiling mini-redis v0.2.0 [INFO] [stderr] Compiling mini-runtime-2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Entry { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 39 | token: mio::Token, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | self.executor.send(self.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 61 | let _ = self.executor.send(self.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sync/poison/mutex.rs:227:1: 227:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sync/poison/mutex.rs" }) } [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:136:43 [INFO] [stdout] | [INFO] [stdout] 136 | let events = EVENTS.get().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `std::sync::Mutex` does not implement `Clone`, so calling `clone` on `&std::sync::Mutex` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 136 - let events = EVENTS.get().unwrap().clone(); [INFO] [stdout] 136 + let events = EVENTS.get().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:143:25 [INFO] [stdout] | [INFO] [stdout] 143 | poller.poll(&mut events, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = poller.poll(&mut events, None); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | POLLER.set(Mutex::new(poller)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 169 | let _ = POLLER.set(Mutex::new(poller)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | REGISTRY.set(Mutex::new(registry)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 170 | let _ = REGISTRY.set(Mutex::new(registry)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | ENTRY_MAP.set(Mutex::new(HashMap::new())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = ENTRY_MAP.set(Mutex::new(HashMap::new())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | EVENTS.set(Mutex::new(mio::Events::with_capacity(4096))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = EVENTS.set(Mutex::new(mio::Events::with_capacity(4096))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 173 | TASK_LIST.set(Mutex::new(HashMap::new())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = TASK_LIST.set(Mutex::new(HashMap::new())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | SENDER.set(sender); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = SENDER.set(sender); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | registry.register(source, token, interest); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 208 | let _ = registry.register(source, token, interest); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s [INFO] running `Command { std: "docker" "inspect" "7b962c1775e738769fb460618462ee9b1606c709dce113ccf162be90b1bf5640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b962c1775e738769fb460618462ee9b1606c709dce113ccf162be90b1bf5640", kill_on_drop: false }` [INFO] [stdout] 7b962c1775e738769fb460618462ee9b1606c709dce113ccf162be90b1bf5640 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9569919391fc636bcfa49204d8d8ec9c7b7e18da1bc81f180559c109e833635c [INFO] running `Command { std: "docker" "start" "-a" "9569919391fc636bcfa49204d8d8ec9c7b7e18da1bc81f180559c109e833635c", kill_on_drop: false }` [INFO] [stderr] Compiling mini-runtime-2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Entry { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 39 | token: mio::Token, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | self.executor.send(self.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 61 | let _ = self.executor.send(self.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sync/poison/mutex.rs:227:1: 227:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sync/poison/mutex.rs" }) } [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:136:43 [INFO] [stdout] | [INFO] [stdout] 136 | let events = EVENTS.get().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `std::sync::Mutex` does not implement `Clone`, so calling `clone` on `&std::sync::Mutex` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 136 - let events = EVENTS.get().unwrap().clone(); [INFO] [stdout] 136 + let events = EVENTS.get().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:143:25 [INFO] [stdout] | [INFO] [stdout] 143 | poller.poll(&mut events, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = poller.poll(&mut events, None); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | POLLER.set(Mutex::new(poller)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 169 | let _ = POLLER.set(Mutex::new(poller)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | REGISTRY.set(Mutex::new(registry)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 170 | let _ = REGISTRY.set(Mutex::new(registry)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | ENTRY_MAP.set(Mutex::new(HashMap::new())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 171 | let _ = ENTRY_MAP.set(Mutex::new(HashMap::new())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | EVENTS.set(Mutex::new(mio::Events::with_capacity(4096))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 172 | let _ = EVENTS.set(Mutex::new(mio::Events::with_capacity(4096))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 173 | TASK_LIST.set(Mutex::new(HashMap::new())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = TASK_LIST.set(Mutex::new(HashMap::new())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | SENDER.set(sender); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 176 | let _ = SENDER.set(sender); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | registry.register(source, token, interest); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 208 | let _ = registry.register(source, token, interest); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "9569919391fc636bcfa49204d8d8ec9c7b7e18da1bc81f180559c109e833635c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9569919391fc636bcfa49204d8d8ec9c7b7e18da1bc81f180559c109e833635c", kill_on_drop: false }` [INFO] [stdout] 9569919391fc636bcfa49204d8d8ec9c7b7e18da1bc81f180559c109e833635c [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 06c440123f65e8fc89e8596adca0565c7bdc7955a924fa4442c3dbcb440af537 [INFO] running `Command { std: "docker" "start" "-a" "06c440123f65e8fc89e8596adca0565c7bdc7955a924fa4442c3dbcb440af537", kill_on_drop: false }` [INFO] [stderr] warning: field `token` is never read [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub struct Entry { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] 39 | token: mio::Token, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Entry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | self.executor.send(self.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 61 | let _ = self.executor.send(self.clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sync/poison/mutex.rs:227:1: 227:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sync/poison/mutex.rs" }) } [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/main.rs:136:43 [INFO] [stderr] | [INFO] [stderr] 136 | let events = EVENTS.get().unwrap().clone(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `std::sync::Mutex` does not implement `Clone`, so calling `clone` on `&std::sync::Mutex` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 136 - let events = EVENTS.get().unwrap().clone(); [INFO] [stderr] 136 + let events = EVENTS.get().unwrap(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:143:25 [INFO] [stderr] | [INFO] [stderr] 143 | poller.poll(&mut events, None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 143 | let _ = poller.poll(&mut events, None); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 169 | POLLER.set(Mutex::new(poller)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 169 | let _ = POLLER.set(Mutex::new(poller)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:170:9 [INFO] [stderr] | [INFO] [stderr] 170 | REGISTRY.set(Mutex::new(registry)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 170 | let _ = REGISTRY.set(Mutex::new(registry)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:171:9 [INFO] [stderr] | [INFO] [stderr] 171 | ENTRY_MAP.set(Mutex::new(HashMap::new())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 171 | let _ = ENTRY_MAP.set(Mutex::new(HashMap::new())); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | EVENTS.set(Mutex::new(mio::Events::with_capacity(4096))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 172 | let _ = EVENTS.set(Mutex::new(mio::Events::with_capacity(4096))); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:173:9 [INFO] [stderr] | [INFO] [stderr] 173 | TASK_LIST.set(Mutex::new(HashMap::new())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 173 | let _ = TASK_LIST.set(Mutex::new(HashMap::new())); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | SENDER.set(sender); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 176 | let _ = SENDER.set(sender); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:208:9 [INFO] [stderr] | [INFO] [stderr] 208 | registry.register(source, token, interest); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 208 | let _ = registry.register(source, token, interest); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `mini-runtime-2` (bin "mini-runtime-2" test) generated 11 warnings (run `cargo fix --bin "mini-runtime-2" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mini_runtime_2-c047b8741d318a7c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "06c440123f65e8fc89e8596adca0565c7bdc7955a924fa4442c3dbcb440af537", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06c440123f65e8fc89e8596adca0565c7bdc7955a924fa4442c3dbcb440af537", kill_on_drop: false }` [INFO] [stdout] 06c440123f65e8fc89e8596adca0565c7bdc7955a924fa4442c3dbcb440af537