[INFO] cloning repository https://github.com/PEshwar/toy_blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PEshwar/toy_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Ftoy_blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Ftoy_blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3f9d29fea64ac54da7ebb46da5a04e995585d22 [INFO] testing PEshwar/toy_blockchain against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Ftoy_blockchain" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PEshwar/toy_blockchain on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PEshwar/toy_blockchain [INFO] finished tweaking git repo https://github.com/PEshwar/toy_blockchain [INFO] tweaked toml for git repo https://github.com/PEshwar/toy_blockchain written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/PEshwar/toy_blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e8f723663d2263c18a0a5e2ee8c89fd886504a42bf28a46bd0eb956ff3cda672 [INFO] running `Command { std: "docker" "start" "-a" "e8f723663d2263c18a0a5e2ee8c89fd886504a42bf28a46bd0eb956ff3cda672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8f723663d2263c18a0a5e2ee8c89fd886504a42bf28a46bd0eb956ff3cda672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8f723663d2263c18a0a5e2ee8c89fd886504a42bf28a46bd0eb956ff3cda672", kill_on_drop: false }` [INFO] [stdout] e8f723663d2263c18a0a5e2ee8c89fd886504a42bf28a46bd0eb956ff3cda672 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3d6bad5fc23c84ba5b1e7b9061f081877edd9a418e86fd68643d242a3392e46 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c3d6bad5fc23c84ba5b1e7b9061f081877edd9a418e86fd68643d242a3392e46", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling peblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `genesis` [INFO] [stdout] --> src/main.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn genesis() -> Block { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/main.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn hash(block: &Block) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/main.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mine_next_block` [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Blockchain` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Blockchain { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.14s [INFO] running `Command { std: "docker" "inspect" "c3d6bad5fc23c84ba5b1e7b9061f081877edd9a418e86fd68643d242a3392e46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d6bad5fc23c84ba5b1e7b9061f081877edd9a418e86fd68643d242a3392e46", kill_on_drop: false }` [INFO] [stdout] c3d6bad5fc23c84ba5b1e7b9061f081877edd9a418e86fd68643d242a3392e46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6ea25558bdbdf7e48600d534125dcca8bcb644a57b83daed8c3f4ecb27dc392 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c6ea25558bdbdf7e48600d534125dcca8bcb644a57b83daed8c3f4ecb27dc392", kill_on_drop: false }` [INFO] [stderr] Compiling peblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `genesis` [INFO] [stdout] --> src/main.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn genesis() -> Block { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/main.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn hash(block: &Block) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/main.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mine_next_block` [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Blockchain` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Blockchain { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "c6ea25558bdbdf7e48600d534125dcca8bcb644a57b83daed8c3f4ecb27dc392", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6ea25558bdbdf7e48600d534125dcca8bcb644a57b83daed8c3f4ecb27dc392", kill_on_drop: false }` [INFO] [stdout] c6ea25558bdbdf7e48600d534125dcca8bcb644a57b83daed8c3f4ecb27dc392 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3b5b1a5ba4592dca1cd20c960611eff206bc7cabe9b8ef31c104876ee538ed6d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3b5b1a5ba4592dca1cd20c960611eff206bc7cabe9b8ef31c104876ee538ed6d", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `genesis` [INFO] [stderr] --> src/main.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn genesis() -> Block { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_json` [INFO] [stderr] --> src/main.rs:60:12 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn to_json(&self) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `hash` [INFO] [stderr] --> src/main.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn hash(block: &Block) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_valid` [INFO] [stderr] --> src/main.rs:68:12 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `mine_next_block` [INFO] [stderr] --> src/main.rs:71:8 [INFO] [stderr] | [INFO] [stderr] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Blockchain` [INFO] [stderr] --> src/main.rs:80:8 [INFO] [stderr] | [INFO] [stderr] 80 | struct Blockchain { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `peblock` (bin "peblock" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/peblock-ac6ff2e5519fb1a6) [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" "3b5b1a5ba4592dca1cd20c960611eff206bc7cabe9b8ef31c104876ee538ed6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b5b1a5ba4592dca1cd20c960611eff206bc7cabe9b8ef31c104876ee538ed6d", kill_on_drop: false }` [INFO] [stdout] 3b5b1a5ba4592dca1cd20c960611eff206bc7cabe9b8ef31c104876ee538ed6d