[INFO] cloning repository https://github.com/phpgoc/single_blockchain_for_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phpgoc/single_blockchain_for_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59ef8b5d265085c1fa7ec3e252b149e19dbd9e7
[INFO] testing phpgoc/single_blockchain_for_learn against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phpgoc/single_blockchain_for_learn
[INFO] finished tweaking git repo https://github.com/phpgoc/single_blockchain_for_learn
[INFO] tweaked toml for git repo https://github.com/phpgoc/single_blockchain_for_learn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phpgoc/single_blockchain_for_learn on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phpgoc/single_blockchain_for_learn 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing phpgoc/single_blockchain_for_learn against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phpgoc/single_blockchain_for_learn
[INFO] finished tweaking git repo https://github.com/phpgoc/single_blockchain_for_learn
[INFO] tweaked toml for git repo https://github.com/phpgoc/single_blockchain_for_learn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phpgoc/single_blockchain_for_learn on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phpgoc/single_blockchain_for_learn 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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 uint v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba63e83a95a8694a523bbd0a1ba6108e5ba059479eaa5dc7e24e781b57a4dbde
[INFO] running `Command { std: "docker" "start" "-a" "ba63e83a95a8694a523bbd0a1ba6108e5ba059479eaa5dc7e24e781b57a4dbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba63e83a95a8694a523bbd0a1ba6108e5ba059479eaa5dc7e24e781b57a4dbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba63e83a95a8694a523bbd0a1ba6108e5ba059479eaa5dc7e24e781b57a4dbde", kill_on_drop: false }`
[INFO] [stdout] ba63e83a95a8694a523bbd0a1ba6108e5ba059479eaa5dc7e24e781b57a4dbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73d5e0363b7874d8b35547995c0335dfb8d38267d9668dd9062ffacdc5286efd
[INFO] running `Command { std: "docker" "start" "-a" "73d5e0363b7874d8b35547995c0335dfb8d38267d9668dd9062ffacdc5286efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling single_blockchain_for_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `pre_hash`, `nonce`, `data`, `hash`, and `difficulty` are never read
[INFO] [stdout]   --> src/structs/mod.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 7  |     pub(crate) pre_hash: String,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 8  |     pub(crate) nonce: usize,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 9  |     pub(crate) data: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 10 |     pub(crate) hash: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 11 |     pub(crate) difficulty: usize
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` 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: creating a mutable reference to mutable static
[INFO] [stdout]   --> bin/bft.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         CHANNEL_VEC.push(tx);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> bin/bft.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for j in CHANNEL_VEC.iter() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `Command { std: "docker" "inspect" "73d5e0363b7874d8b35547995c0335dfb8d38267d9668dd9062ffacdc5286efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d5e0363b7874d8b35547995c0335dfb8d38267d9668dd9062ffacdc5286efd", kill_on_drop: false }`
[INFO] [stdout] 73d5e0363b7874d8b35547995c0335dfb8d38267d9668dd9062ffacdc5286efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c05d9990635242dd50666ed4360d718d5c01c66cdb891d1ea07dc3f07be56fa0
[INFO] running `Command { std: "docker" "start" "-a" "c05d9990635242dd50666ed4360d718d5c01c66cdb891d1ea07dc3f07be56fa0", kill_on_drop: false }`
[INFO] [stdout] warning: fields `pre_hash`, `nonce`, `data`, `hash`, and `difficulty` are never read
[INFO] [stdout]   --> src/structs/mod.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 7  |     pub(crate) pre_hash: String,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 8  |     pub(crate) nonce: usize,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 9  |     pub(crate) data: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 10 |     pub(crate) hash: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 11 |     pub(crate) difficulty: usize
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` 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] [stderr]    Compiling single_blockchain_for_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> bin/bft.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         CHANNEL_VEC.push(tx);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> bin/bft.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for j in CHANNEL_VEC.iter() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pre_hash`, `nonce`, `data`, `hash`, and `difficulty` are never read
[INFO] [stdout]   --> src/structs/mod.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 7  |     pub(crate) pre_hash: String,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 8  |     pub(crate) nonce: usize,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 9  |     pub(crate) data: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 10 |     pub(crate) hash: String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 11 |     pub(crate) difficulty: usize
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "c05d9990635242dd50666ed4360d718d5c01c66cdb891d1ea07dc3f07be56fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05d9990635242dd50666ed4360d718d5c01c66cdb891d1ea07dc3f07be56fa0", kill_on_drop: false }`
[INFO] [stdout] c05d9990635242dd50666ed4360d718d5c01c66cdb891d1ea07dc3f07be56fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac699d6f230b4dd5f33798aa494710f7e8083b8555a14883980d78f8a74809cf
[INFO] running `Command { std: "docker" "start" "-a" "ac699d6f230b4dd5f33798aa494710f7e8083b8555a14883980d78f8a74809cf", kill_on_drop: false }`
[INFO] [stderr] warning: fields `pre_hash`, `nonce`, `data`, `hash`, and `difficulty` are never read
[INFO] [stderr]   --> src/structs/mod.rs:7:13
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub struct Block {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 7  |     pub(crate) pre_hash: String,
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 8  |     pub(crate) nonce: usize,
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 9  |     pub(crate) data: String,
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 10 |     pub(crate) hash: String,
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 11 |     pub(crate) difficulty: usize
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Block` 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: `single_blockchain_for_learn` (lib) generated 1 warning
[INFO] [stderr] warning: `single_blockchain_for_learn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]   --> bin/bft.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         CHANNEL_VEC.push(tx);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> bin/bft.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for j in CHANNEL_VEC.iter() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr] 
[INFO] [stderr] warning: `single_blockchain_for_learn` (bin "bft" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/single_blockchain_for_learn-cc0c0bae08900ce3)
[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] [stderr]      Running unittests bin/bft.rs (/opt/rustwide/target/debug/deps/bft-1a40d9abdc4b98c0)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/main-fe034e79be562123)
[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] [stderr]    Doc-tests single_blockchain_for_learn
[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" "ac699d6f230b4dd5f33798aa494710f7e8083b8555a14883980d78f8a74809cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac699d6f230b4dd5f33798aa494710f7e8083b8555a14883980d78f8a74809cf", kill_on_drop: false }`
[INFO] [stdout] ac699d6f230b4dd5f33798aa494710f7e8083b8555a14883980d78f8a74809cf
