[INFO] fetching crate libmcaptcha 0.2.4... [INFO] checking libmcaptcha-0.2.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate libmcaptcha 0.2.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate libmcaptcha 0.2.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libmcaptcha 0.2.4 [INFO] finished tweaking crates.io crate libmcaptcha 0.2.4 [INFO] tweaked toml for crates.io crate libmcaptcha 0.2.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate libmcaptcha 0.2.4 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crc16 v0.4.0 [INFO] [stderr] Downloaded mcaptcha_pow_sha256 v0.4.0 [INFO] [stderr] Downloaded actix v0.13.1 [INFO] [stderr] Downloaded actix-macros v0.2.4 [INFO] [stderr] Downloaded actix_derive v0.6.1 [INFO] [stderr] Downloaded redis v0.23.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d8ed6efcd3fef73b5d07118a1d4913e193ce4bd42f8590c07425cc5324b8a9e [INFO] running `Command { std: "docker" "start" "-a" "3d8ed6efcd3fef73b5d07118a1d4913e193ce4bd42f8590c07425cc5324b8a9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d8ed6efcd3fef73b5d07118a1d4913e193ce4bd42f8590c07425cc5324b8a9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d8ed6efcd3fef73b5d07118a1d4913e193ce4bd42f8590c07425cc5324b8a9e", kill_on_drop: false }` [INFO] [stdout] 3d8ed6efcd3fef73b5d07118a1d4913e193ce4bd42f8590c07425cc5324b8a9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd155b5366316d54f6c33e8d4e04cabce6ed3454ee512cc7e87b481231ea6dd4 [INFO] running `Command { std: "docker" "start" "-a" "dd155b5366316d54f6c33e8d4e04cabce6ed3454ee512cc7e87b481231ea6dd4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling rustix v0.38.19 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Compiling async-trait v0.1.73 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking tracing v0.1.39 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking cpufeatures v0.2.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking arc-swap v1.6.0 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking socket2 v0.5.4 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tokio v1.33.0 [INFO] [stderr] Checking scheduled-thread-pool v0.2.7 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking regex-automata v0.4.2 [INFO] [stderr] Checking r2d2 v0.8.10 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.10.1 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.189 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling actix-macros v0.2.4 [INFO] [stderr] Compiling actix_derive v0.6.1 [INFO] [stderr] Checking pretty_env_logger v0.5.0 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Checking tokio-util v0.7.9 [INFO] [stderr] Checking actix-rt v2.9.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking combine v4.6.6 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking tokio-retry v0.3.0 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling derive_builder_core v0.12.0 [INFO] [stderr] Compiling derive_builder_macro v0.12.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking actix v0.13.1 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking derive_builder v0.12.0 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking redis v0.23.3 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking mcaptcha_pow_sha256 v0.4.0 [INFO] [stderr] Checking libmcaptcha v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/pow.rs:21:25 [INFO] [stdout] | [INFO] [stdout] 21 | use crossbeam_channel::{self, Receiver, Sender}; [INFO] [stdout] | ^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/queue.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | use crossbeam_channel::{self, Receiver, Sender}; [INFO] [stdout] | ^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::debug` [INFO] [stdout] --> src/queue.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use log::debug; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::error` [INFO] [stdout] --> src/queue.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use log::error; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::mcaptcha` [INFO] [stdout] --> src/master/embedded/counter.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | use crate::mcaptcha; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Master` is imported redundantly [INFO] [stdout] --> src/master/redis/master.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 133 | use super::*; [INFO] [stdout] | -------- the item `Master` is already imported here [INFO] [stdout] ... [INFO] [stdout] 136 | use crate::master::redis::master::Master; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RedisConfig` is imported redundantly [INFO] [stdout] --> src/master/redis/master.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 133 | use super::*; [INFO] [stdout] | -------- the item `RedisConfig` is already imported here [INFO] [stdout] ... [INFO] [stdout] 137 | use crate::redis::RedisConfig; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/pow.rs:21:25 [INFO] [stdout] | [INFO] [stdout] 21 | use crossbeam_channel::{self, Receiver, Sender}; [INFO] [stdout] | ^^^^ the item `crossbeam_channel` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::debug` [INFO] [stdout] --> src/queue.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use log::debug; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ConfigBuilder` is imported redundantly [INFO] [stdout] --> src/system.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | use mcaptcha_pow_sha256::ConfigBuilder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 209 | use super::*; [INFO] [stdout] | -------- the item `ConfigBuilder` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `System` is imported redundantly [INFO] [stdout] --> src/system.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | use super::System; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 209 | use super::*; [INFO] [stdout] | -------- the item `System` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `redis::cluster::ClusterClient::open`: Use new() [INFO] [stdout] --> src/redis/mod.rs:50:53 [INFO] [stdout] | [INFO] [stdout] 50 | let cluster_client = ClusterClient::open(nodes.to_owned()).unwrap(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `redis::cluster::ClusterClient::open`: Use new() [INFO] [stdout] --> src/redis/mod.rs:50:53 [INFO] [stdout] | [INFO] [stdout] 50 | let cluster_client = ClusterClient::open(nodes.to_owned()).unwrap(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/master/redis/master.rs:118:26 [INFO] [stdout] | [INFO] [stdout] 118 | fn handle(&mut self, m: GetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/master/redis/master.rs:118:46 [INFO] [stdout] | [INFO] [stdout] 118 | fn handle(&mut self, m: GetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/master/redis/master.rs:126:26 [INFO] [stdout] | [INFO] [stdout] 126 | fn handle(&mut self, m: SetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/master/redis/master.rs:126:46 [INFO] [stdout] | [INFO] [stdout] 126 | fn handle(&mut self, m: SetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/master/embedded/master.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | tx.send(Ok(data)); [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] 254 | let _ = tx.send(Ok(data)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/master/redis/master.rs:118:26 [INFO] [stdout] | [INFO] [stdout] 118 | fn handle(&mut self, m: GetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/master/redis/master.rs:118:46 [INFO] [stdout] | [INFO] [stdout] 118 | fn handle(&mut self, m: GetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/master/redis/master.rs:126:26 [INFO] [stdout] | [INFO] [stdout] 126 | fn handle(&mut self, m: SetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/master/redis/master.rs:126:46 [INFO] [stdout] | [INFO] [stdout] 126 | fn handle(&mut self, m: SetInternalData, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/master/embedded/master.rs:254:13 [INFO] [stdout] | [INFO] [stdout] 254 | tx.send(Ok(data)); [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] 254 | let _ = tx.send(Ok(data)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.61s [INFO] running `Command { std: "docker" "inspect" "dd155b5366316d54f6c33e8d4e04cabce6ed3454ee512cc7e87b481231ea6dd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd155b5366316d54f6c33e8d4e04cabce6ed3454ee512cc7e87b481231ea6dd4", kill_on_drop: false }` [INFO] [stdout] dd155b5366316d54f6c33e8d4e04cabce6ed3454ee512cc7e87b481231ea6dd4