[INFO] updating cached repository https://github.com/uma0317/Rust-BlockChain [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d9219a60ce1795e0ffb22b7bd7429b56a2dbf6ba [INFO] testing uma0317/Rust-BlockChain against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuma0317%2FRust-BlockChain" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/uma0317/Rust-BlockChain on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/uma0317/Rust-BlockChain [INFO] finished tweaking git repo https://github.com/uma0317/Rust-BlockChain [INFO] tweaked toml for git repo https://github.com/uma0317/Rust-BlockChain written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/uma0317/Rust-BlockChain already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b444f1b27f96e25d551a7b1d607fd25ed2d6fc6e6a02f49d979b481a7c4851ae [INFO] running `"docker" "start" "-a" "b444f1b27f96e25d551a7b1d607fd25ed2d6fc6e6a02f49d979b481a7c4851ae"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling chrono v0.4.2 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Block` [INFO] [stderr] --> src/main.rs:3:30 [INFO] [stderr] | [INFO] [stderr] 3 | use blockchain::{Blockchain, Block, Transaction}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_chain_valid` [INFO] [stderr] --> src/blockchain.rs:164:8 [INFO] [stderr] | [INFO] [stderr] 164 | fn is_chain_valid(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.98s [INFO] running `"docker" "inspect" "b444f1b27f96e25d551a7b1d607fd25ed2d6fc6e6a02f49d979b481a7c4851ae"` [INFO] running `"docker" "rm" "-f" "b444f1b27f96e25d551a7b1d607fd25ed2d6fc6e6a02f49d979b481a7c4851ae"` [INFO] [stdout] b444f1b27f96e25d551a7b1d607fd25ed2d6fc6e6a02f49d979b481a7c4851ae [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] abfb3c3a3ada31986a6429a8ca2e7f367d70963d633a5c6dd188f9e6698973c4 [INFO] running `"docker" "start" "-a" "abfb3c3a3ada31986a6429a8ca2e7f367d70963d633a5c6dd188f9e6698973c4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Block` [INFO] [stderr] --> src/main.rs:3:30 [INFO] [stderr] | [INFO] [stderr] 3 | use blockchain::{Blockchain, Block, Transaction}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_chain_valid` [INFO] [stderr] --> src/blockchain.rs:164:8 [INFO] [stderr] | [INFO] [stderr] 164 | fn is_chain_valid(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "abfb3c3a3ada31986a6429a8ca2e7f367d70963d633a5c6dd188f9e6698973c4"` [INFO] running `"docker" "rm" "-f" "abfb3c3a3ada31986a6429a8ca2e7f367d70963d633a5c6dd188f9e6698973c4"` [INFO] [stdout] abfb3c3a3ada31986a6429a8ca2e7f367d70963d633a5c6dd188f9e6698973c4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4680af432166ca6c4fac25e01ee4d726cf6444b586623220f9c92206ccf6cdfb [INFO] running `"docker" "start" "-a" "4680af432166ca6c4fac25e01ee4d726cf6444b586623220f9c92206ccf6cdfb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `Block` [INFO] [stderr] --> src/main.rs:3:30 [INFO] [stderr] | [INFO] [stderr] 3 | use blockchain::{Blockchain, Block, Transaction}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_chain_valid` [INFO] [stderr] --> src/blockchain.rs:164:8 [INFO] [stderr] | [INFO] [stderr] 164 | fn is_chain_valid(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/blockchain-62bbb0fcc41f7af7 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "4680af432166ca6c4fac25e01ee4d726cf6444b586623220f9c92206ccf6cdfb"` [INFO] running `"docker" "rm" "-f" "4680af432166ca6c4fac25e01ee4d726cf6444b586623220f9c92206ccf6cdfb"` [INFO] [stdout] 4680af432166ca6c4fac25e01ee4d726cf6444b586623220f9c92206ccf6cdfb