[INFO] updating cached repository https://github.com/strassl/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] 488351e7bb5d038c1c0f486f64300ae1970eea53 [INFO] testing strassl/blockchain against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrassl%2Fblockchain" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/strassl/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/strassl/blockchain [INFO] finished tweaking git repo https://github.com/strassl/blockchain [INFO] tweaked toml for git repo https://github.com/strassl/blockchain written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/strassl/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 90b8c60543341b2d8524720a94ab20f02d7d00204f50c5aa41e07074109eef38 [INFO] running `"docker" "start" "-a" "90b8c60543341b2d8524720a94ab20f02d7d00204f50c5aa41e07074109eef38"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling gcc v0.3.49 [INFO] [stderr] Compiling itoa v0.3.1 [INFO] [stderr] Compiling serde v1.0.8 [INFO] [stderr] Compiling dtoa v0.4.1 [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling thread-id v3.1.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling time v0.1.37 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling serde_derive v1.0.8 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling serde_json v1.0.2 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `serialize` [INFO] [stderr] --> src/chain/serialization.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn serialize(chain: &Chain) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deserialize` [INFO] [stderr] --> src/chain/serialization.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn deserialize(data: &Vec) -> Result { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `deserialize` [INFO] [stderr] --> src/main.rs:10:39 [INFO] [stderr] | [INFO] [stderr] 10 | use chain::serialization::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deserialize` [INFO] [stderr] --> src/chain/serialization.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn deserialize(data: &Vec) -> Result { [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 35.34s [INFO] running `"docker" "inspect" "90b8c60543341b2d8524720a94ab20f02d7d00204f50c5aa41e07074109eef38"` [INFO] running `"docker" "rm" "-f" "90b8c60543341b2d8524720a94ab20f02d7d00204f50c5aa41e07074109eef38"` [INFO] [stdout] 90b8c60543341b2d8524720a94ab20f02d7d00204f50c5aa41e07074109eef38 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2ab3cb05a4f9bda4a896f98f78eca512e6d53c1b4cd62f2cb980b10034204460 [INFO] running `"docker" "start" "-a" "2ab3cb05a4f9bda4a896f98f78eca512e6d53c1b4cd62f2cb980b10034204460"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `serialize` [INFO] [stderr] --> src/chain/serialization.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn serialize(chain: &Chain) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deserialize` [INFO] [stderr] --> src/chain/serialization.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn deserialize(data: &Vec) -> Result { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `deserialize` [INFO] [stderr] --> src/main.rs:10:39 [INFO] [stderr] | [INFO] [stderr] 10 | use chain::serialization::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.55s [INFO] running `"docker" "inspect" "2ab3cb05a4f9bda4a896f98f78eca512e6d53c1b4cd62f2cb980b10034204460"` [INFO] running `"docker" "rm" "-f" "2ab3cb05a4f9bda4a896f98f78eca512e6d53c1b4cd62f2cb980b10034204460"` [INFO] [stdout] 2ab3cb05a4f9bda4a896f98f78eca512e6d53c1b4cd62f2cb980b10034204460 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 91ad902dea3c54e6f63c497aa9b7e4d21272d639433aef62619db5b6ef7fe94f [INFO] running `"docker" "start" "-a" "91ad902dea3c54e6f63c497aa9b7e4d21272d639433aef62619db5b6ef7fe94f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: function is never used: `serialize` [INFO] [stderr] --> src/chain/serialization.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn serialize(chain: &Chain) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deserialize` [INFO] [stderr] --> src/chain/serialization.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn deserialize(data: &Vec) -> Result { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `deserialize` [INFO] [stderr] --> src/main.rs:10:39 [INFO] [stderr] | [INFO] [stderr] 10 | use chain::serialization::{serialize, deserialize}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/blockchain-0a4a20d9b34beae6 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test chain::test::init_works ... ok [INFO] [stdout] test chain::test::push_works ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/blockchain-dd066a8ccd33d21b [INFO] [stdout] test chain::serialization::test::serialize_deserialize_works ... ok [INFO] [stdout] test chain::test::verify_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test chain::test::init_works ... ok [INFO] [stderr] Doc-tests blockchain [INFO] [stdout] test chain::test::verify_works ... ok [INFO] [stdout] test chain::serialization::test::serialize_deserialize_works ... ok [INFO] [stdout] test chain::test::push_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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" "91ad902dea3c54e6f63c497aa9b7e4d21272d639433aef62619db5b6ef7fe94f"` [INFO] running `"docker" "rm" "-f" "91ad902dea3c54e6f63c497aa9b7e4d21272d639433aef62619db5b6ef7fe94f"` [INFO] [stdout] 91ad902dea3c54e6f63c497aa9b7e4d21272d639433aef62619db5b6ef7fe94f