[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 try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime-2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tawashichan/mini-runtime-2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-epoch v0.9.3 [INFO] [stderr] Downloaded crossbeam-queue v0.3.1 [INFO] [stderr] Downloaded tracing-subscriber v0.2.17 [INFO] [stderr] Downloaded crossbeam v0.8.0 [INFO] [stderr] Downloaded atoi v0.3.3 [INFO] [stderr] Downloaded mini-redis v0.2.0 [INFO] [stderr] Downloaded regex v1.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d041d727baa4a58447078d5793faec570a48e1f2f38fe5b7eb8f6d419b8a5858 [INFO] running `Command { std: "docker" "start" "-a" "d041d727baa4a58447078d5793faec570a48e1f2f38fe5b7eb8f6d419b8a5858", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d041d727baa4a58447078d5793faec570a48e1f2f38fe5b7eb8f6d419b8a5858", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d041d727baa4a58447078d5793faec570a48e1f2f38fe5b7eb8f6d419b8a5858", kill_on_drop: false }` [INFO] [stdout] d041d727baa4a58447078d5793faec570a48e1f2f38fe5b7eb8f6d419b8a5858 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] cffbd5f622e1ec545e8fff1a2f507e348edcb64a6ddd7b6f076e900db9d7b3d4 [INFO] running `Command { std: "docker" "start" "-a" "cffbd5f622e1ec545e8fff1a2f507e348edcb64a6ddd7b6f076e900db9d7b3d4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling futures-core v0.3.13 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling futures-sink v0.3.13 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling getrandom v0.2.2 [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 pin-utils v0.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling sharded-slab v0.1.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.1 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling crossbeam v0.8.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [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 async-stream v0.2.1 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling pin-project v1.0.6 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling tracing-subscriber v0.2.17 [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)]` 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)]` 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] [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 24.05s [INFO] running `Command { std: "docker" "inspect" "cffbd5f622e1ec545e8fff1a2f507e348edcb64a6ddd7b6f076e900db9d7b3d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cffbd5f622e1ec545e8fff1a2f507e348edcb64a6ddd7b6f076e900db9d7b3d4", kill_on_drop: false }` [INFO] [stdout] cffbd5f622e1ec545e8fff1a2f507e348edcb64a6ddd7b6f076e900db9d7b3d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b1401795e0cf3d5a2ce3b4d4e0261d71d92f0a6e82cb0aa4b560d6d313e5d453 [INFO] running `Command { std: "docker" "start" "-a" "b1401795e0cf3d5a2ce3b4d4e0261d71d92f0a6e82cb0aa4b560d6d313e5d453", 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)]` 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)]` 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] [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 0.79s [INFO] running `Command { std: "docker" "inspect" "b1401795e0cf3d5a2ce3b4d4e0261d71d92f0a6e82cb0aa4b560d6d313e5d453", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1401795e0cf3d5a2ce3b4d4e0261d71d92f0a6e82cb0aa4b560d6d313e5d453", kill_on_drop: false }` [INFO] [stdout] b1401795e0cf3d5a2ce3b4d4e0261d71d92f0a6e82cb0aa4b560d6d313e5d453 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c5343ed54fbc29a72b00eb3c2190ec9989a2b4c696352a4bc45a60f21b90e175 [INFO] running `Command { std: "docker" "start" "-a" "c5343ed54fbc29a72b00eb3c2190ec9989a2b4c696352a4bc45a60f21b90e175", 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)]` 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)]` 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] 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 0.13s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mini_runtime_2-2d16a52f1da67ff7) [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" "c5343ed54fbc29a72b00eb3c2190ec9989a2b4c696352a4bc45a60f21b90e175", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5343ed54fbc29a72b00eb3c2190ec9989a2b4c696352a4bc45a60f21b90e175", kill_on_drop: false }` [INFO] [stdout] c5343ed54fbc29a72b00eb3c2190ec9989a2b4c696352a4bc45a60f21b90e175