[INFO] cloning repository https://github.com/khanhtc1202/undefined-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khanhtc1202/undefined-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanhtc1202%2Fundefined-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanhtc1202%2Fundefined-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f32eab722599cd94d832f6a03d75f218efd34090 [INFO] testing khanhtc1202/undefined-rust against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanhtc1202%2Fundefined-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/khanhtc1202/undefined-rust on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/khanhtc1202/undefined-rust [INFO] finished tweaking git repo https://github.com/khanhtc1202/undefined-rust [INFO] tweaked toml for git repo https://github.com/khanhtc1202/undefined-rust written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/khanhtc1202/undefined-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f889044ac752ffafa46f3f695291a6a3cf02bc28d29fcee15e71177a5178941 [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" "9f889044ac752ffafa46f3f695291a6a3cf02bc28d29fcee15e71177a5178941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f889044ac752ffafa46f3f695291a6a3cf02bc28d29fcee15e71177a5178941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f889044ac752ffafa46f3f695291a6a3cf02bc28d29fcee15e71177a5178941", kill_on_drop: false }` [INFO] [stdout] 9f889044ac752ffafa46f3f695291a6a3cf02bc28d29fcee15e71177a5178941 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7d0492f0207e923be1f68c073857fb48a01c6dc46cfdbd1c198f3de5386fb39 [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" "e7d0492f0207e923be1f68c073857fb48a01c6dc46cfdbd1c198f3de5386fb39", kill_on_drop: false }` [INFO] [stderr] Compiling sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/mutexs.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | / /// To access the data inside the mutex, we use the lock method to acquire the lock. [INFO] [stdout] 15 | | /// [INFO] [stdout] 16 | | /// The call to lock would fail if another thread holding the lock panicked. => need unwrap() [INFO] [stdout] 17 | | /// [INFO] [stdout] ... | [INFO] [stdout] 21 | | /// after this line, we going out of inner scope and ref `num` will be drop => return the lock to main thread [INFO] [stdout] 22 | | /// using inner scope, we don’t risk forgetting to release the lock and blocking the mutex from being used by other threads [INFO] [stdout] | |___________________________________________________________________________________________________________________________________^ [INFO] [stdout] 23 | let mut num = m.lock().unwrap(); [INFO] [stdout] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "e7d0492f0207e923be1f68c073857fb48a01c6dc46cfdbd1c198f3de5386fb39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7d0492f0207e923be1f68c073857fb48a01c6dc46cfdbd1c198f3de5386fb39", kill_on_drop: false }` [INFO] [stdout] e7d0492f0207e923be1f68c073857fb48a01c6dc46cfdbd1c198f3de5386fb39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] 668e5e0fbe9d9689baa4a00ced05679cff108aa5904ed97964d757e4ca47bab2 [INFO] running `Command { std: "docker" "start" "-a" "668e5e0fbe9d9689baa4a00ced05679cff108aa5904ed97964d757e4ca47bab2", kill_on_drop: false }` [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/mutexs.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | / /// To access the data inside the mutex, we use the lock method to acquire the lock. [INFO] [stdout] 15 | | /// [INFO] [stdout] 16 | | /// The call to lock would fail if another thread holding the lock panicked. => need unwrap() [INFO] [stdout] 17 | | /// [INFO] [stdout] ... | [INFO] [stdout] 21 | | /// after this line, we going out of inner scope and ref `num` will be drop => return the lock to main thread [INFO] [stdout] 22 | | /// using inner scope, we don’t risk forgetting to release the lock and blocking the mutex from being used by other threads [INFO] [stdout] | |___________________________________________________________________________________________________________________________________^ [INFO] [stdout] 23 | let mut num = m.lock().unwrap(); [INFO] [stdout] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/mutexs.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | / /// To access the data inside the mutex, we use the lock method to acquire the lock. [INFO] [stdout] 15 | | /// [INFO] [stdout] 16 | | /// The call to lock would fail if another thread holding the lock panicked. => need unwrap() [INFO] [stdout] 17 | | /// [INFO] [stdout] ... | [INFO] [stdout] 21 | | /// after this line, we going out of inner scope and ref `num` will be drop => return the lock to main thread [INFO] [stdout] 22 | | /// using inner scope, we don’t risk forgetting to release the lock and blocking the mutex from being used by other threads [INFO] [stdout] | |___________________________________________________________________________________________________________________________________^ [INFO] [stdout] 23 | let mut num = m.lock().unwrap(); [INFO] [stdout] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "668e5e0fbe9d9689baa4a00ced05679cff108aa5904ed97964d757e4ca47bab2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "668e5e0fbe9d9689baa4a00ced05679cff108aa5904ed97964d757e4ca47bab2", kill_on_drop: false }` [INFO] [stdout] 668e5e0fbe9d9689baa4a00ced05679cff108aa5904ed97964d757e4ca47bab2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ea604a57979d43e1e526b0f83bd0c9ba4c4f141ad04bb03044569eb34fcba690 [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" "ea604a57979d43e1e526b0f83bd0c9ba4c4f141ad04bb03044569eb34fcba690", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/mutexs.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | / /// To access the data inside the mutex, we use the lock method to acquire the lock. [INFO] [stderr] 15 | | /// [INFO] [stderr] 16 | | /// The call to lock would fail if another thread holding the lock panicked. => need unwrap() [INFO] [stderr] 17 | | /// [INFO] [stderr] ... | [INFO] [stderr] 21 | | /// after this line, we going out of inner scope and ref `num` will be drop => return the lock to main thread [INFO] [stderr] 22 | | /// using inner scope, we don’t risk forgetting to release the lock and blocking the mutex from being used by other threads [INFO] [stderr] | |___________________________________________________________________________________________________________________________________^ [INFO] [stderr] 23 | let mut num = m.lock().unwrap(); [INFO] [stderr] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/mutexs.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | / /// To access the data inside the mutex, we use the lock method to acquire the lock. [INFO] [stderr] 15 | | /// [INFO] [stderr] 16 | | /// The call to lock would fail if another thread holding the lock panicked. => need unwrap() [INFO] [stderr] 17 | | /// [INFO] [stderr] ... | [INFO] [stderr] 21 | | /// after this line, we going out of inner scope and ref `num` will be drop => return the lock to main thread [INFO] [stderr] 22 | | /// using inner scope, we don’t risk forgetting to release the lock and blocking the mutex from being used by other threads [INFO] [stderr] | |___________________________________________________________________________________________________________________________________^ [INFO] [stderr] 23 | let mut num = m.lock().unwrap(); [INFO] [stderr] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sandbox-a6e117c9081da89f [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tests-f1978a4f3f05d8a2 [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::greater_than_100 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ea604a57979d43e1e526b0f83bd0c9ba4c4f141ad04bb03044569eb34fcba690", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea604a57979d43e1e526b0f83bd0c9ba4c4f141ad04bb03044569eb34fcba690", kill_on_drop: false }` [INFO] [stdout] ea604a57979d43e1e526b0f83bd0c9ba4c4f141ad04bb03044569eb34fcba690