[INFO] fetching crate libmcaptcha 0.2.4...
[INFO] checking libmcaptcha-0.2.4 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate libmcaptcha 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate libmcaptcha 0.2.4 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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-4-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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redis v0.23.3
[INFO] [stderr]   Downloaded pretty_env_logger v0.5.0
[INFO] [stderr]   Downloaded actix v0.13.1
[INFO] [stderr]   Downloaded regex v1.10.1
[INFO] [stderr]   Downloaded regex-automata v0.4.2
[INFO] [stderr]   Downloaded actix_derive v0.6.1
[INFO] [stderr]   Downloaded tokio-retry v0.3.0
[INFO] [stderr]   Downloaded mcaptcha_pow_sha256 v0.4.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce606672e1cea82476444743c6d1105845dc9f05f21afbf5a96ea78d31f895da
[INFO] running `Command { std: "docker" "start" "-a" "ce606672e1cea82476444743c6d1105845dc9f05f21afbf5a96ea78d31f895da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce606672e1cea82476444743c6d1105845dc9f05f21afbf5a96ea78d31f895da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce606672e1cea82476444743c6d1105845dc9f05f21afbf5a96ea78d31f895da", kill_on_drop: false }`
[INFO] [stdout] ce606672e1cea82476444743c6d1105845dc9f05f21afbf5a96ea78d31f895da
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f627845c21518406e2f3030b93d8a64f5f4721affc8ec0da9bd0d40a46979805
[INFO] running `Command { std: "docker" "start" "-a" "f627845c21518406e2f3030b93d8a64f5f4721affc8ec0da9bd0d40a46979805", kill_on_drop: false }`
[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]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]     Checking tracing v0.1.39
[INFO] [stderr]     Checking aho-corasick v1.1.2
[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 socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking regex-automata v0.4.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking regex v1.10.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[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]     Checking tokio-util v0.7.9
[INFO] [stderr]    Compiling actix_derive v0.6.1
[INFO] [stderr]     Checking actix-rt v2.9.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[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 redis v0.23.3
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking bincode v1.3.3
[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: 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]    = note: `#[warn(unused_imports)]` on by default
[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: 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: 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 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: 8 warnings emitted
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.69s
[INFO] running `Command { std: "docker" "inspect" "f627845c21518406e2f3030b93d8a64f5f4721affc8ec0da9bd0d40a46979805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f627845c21518406e2f3030b93d8a64f5f4721affc8ec0da9bd0d40a46979805", kill_on_drop: false }`
[INFO] [stdout] f627845c21518406e2f3030b93d8a64f5f4721affc8ec0da9bd0d40a46979805
