[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] building phpgoc/single_blockchain_for_learn against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphpgoc%2Fsingle_blockchain_for_learn" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phpgoc/single_blockchain_for_learn on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc1/source/Cargo.toml [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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b95034fd11d4b5a757e70d1593d8a5fd4ac5ade6490cd61ccbb52280ebdc9d4 [INFO] running `Command { std: "docker" "start" "-a" "0b95034fd11d4b5a757e70d1593d8a5fd4ac5ade6490cd61ccbb52280ebdc9d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b95034fd11d4b5a757e70d1593d8a5fd4ac5ade6490cd61ccbb52280ebdc9d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b95034fd11d4b5a757e70d1593d8a5fd4ac5ade6490cd61ccbb52280ebdc9d4", kill_on_drop: false }` [INFO] [stdout] 0b95034fd11d4b5a757e70d1593d8a5fd4ac5ade6490cd61ccbb52280ebdc9d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] beb4f7482a7f170f148e4c45286199dc9ee9b7b366e6e4054d8e936d87464658 [INFO] running `Command { std: "docker" "start" "-a" "beb4f7482a7f170f148e4c45286199dc9ee9b7b366e6e4054d8e936d87464658", 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 cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling cpufeatures v0.1.5 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling uint v0.9.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling num_cpus v1.13.0 [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 rand v0.8.4 [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 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 is discouraged [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 [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 is discouraged [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 [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 10.69s [INFO] running `Command { std: "docker" "inspect" "beb4f7482a7f170f148e4c45286199dc9ee9b7b366e6e4054d8e936d87464658", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "beb4f7482a7f170f148e4c45286199dc9ee9b7b366e6e4054d8e936d87464658", kill_on_drop: false }` [INFO] [stdout] beb4f7482a7f170f148e4c45286199dc9ee9b7b366e6e4054d8e936d87464658 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a0fc8ee5fbd110de50dc2dae3600ce7b518025fff642d50be5097e03989e017 [INFO] running `Command { std: "docker" "start" "-a" "9a0fc8ee5fbd110de50dc2dae3600ce7b518025fff642d50be5097e03989e017", kill_on_drop: false }` [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 is discouraged [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 [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 is discouraged [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 [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 0.95s [INFO] running `Command { std: "docker" "inspect" "9a0fc8ee5fbd110de50dc2dae3600ce7b518025fff642d50be5097e03989e017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a0fc8ee5fbd110de50dc2dae3600ce7b518025fff642d50be5097e03989e017", kill_on_drop: false }` [INFO] [stdout] 9a0fc8ee5fbd110de50dc2dae3600ce7b518025fff642d50be5097e03989e017