[INFO] fetching crate simulation 0.0.2-alpha.0... [INFO] testing simulation-0.0.2-alpha.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate simulation 0.0.2-alpha.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate simulation 0.0.2-alpha.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate simulation 0.0.2-alpha.0 [INFO] finished tweaking crates.io crate simulation 0.0.2-alpha.0 [INFO] tweaked toml for crates.io crate simulation 0.0.2-alpha.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate simulation 0.0.2-alpha.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7690554fb1de04bb034c937de2ef9194dced5757060b1310fd7892aea4113a98 [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" "7690554fb1de04bb034c937de2ef9194dced5757060b1310fd7892aea4113a98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7690554fb1de04bb034c937de2ef9194dced5757060b1310fd7892aea4113a98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7690554fb1de04bb034c937de2ef9194dced5757060b1310fd7892aea4113a98", kill_on_drop: false }` [INFO] [stdout] 7690554fb1de04bb034c937de2ef9194dced5757060b1310fd7892aea4113a98 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6bb4c051b732fe77adb4abf5b773ffd8b549aabce4fdebb66a5c22cd8ada1231 [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" "6bb4c051b732fe77adb4abf5b773ffd8b549aabce4fdebb66a5c22cd8ada1231", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling pin-convert v0.1.0 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling tracing-core v0.1.6 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand_pcg v0.2.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tracing-attributes v0.1.4 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling async-trait v0.1.16 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling tracing v0.1.9 [INFO] [stderr] Compiling pin-project v0.4.5 [INFO] [stderr] Compiling tokio-io v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Compiling tokio-net v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-test v0.2.0-alpha.6 [INFO] [stderr] Compiling simulation v0.0.2-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/deterministic/network/stream.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | std::mem::replace(&mut lock.delay, new); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.73s [INFO] running `Command { std: "docker" "inspect" "6bb4c051b732fe77adb4abf5b773ffd8b549aabce4fdebb66a5c22cd8ada1231", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bb4c051b732fe77adb4abf5b773ffd8b549aabce4fdebb66a5c22cd8ada1231", kill_on_drop: false }` [INFO] [stdout] 6bb4c051b732fe77adb4abf5b773ffd8b549aabce4fdebb66a5c22cd8ada1231 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82a56ea8a9a5d9dcb77e9454201c572e4c9f0a264adc1cfbf3eff27ebdadc4c7 [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" "82a56ea8a9a5d9dcb77e9454201c572e4c9f0a264adc1cfbf3eff27ebdadc4c7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling tower-layer v0.3.0-alpha.2 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling tower-service v0.2.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling async-stream-impl v0.1.1 [INFO] [stderr] Compiling tower-discover v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-make v0.3.0-alpha.2a [INFO] [stderr] Compiling h2 v0.2.0-alpha.3 [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/deterministic/network/stream.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | std::mem::replace(&mut lock.delay, new); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tower-util v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-limit v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-timeout v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-retry v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-buffer v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-load-shed v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-reconnect v0.3.0-alpha.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tower-load v0.3.0-alpha.2 [INFO] [stderr] Compiling tower v0.3.0-alpha.2 [INFO] [stderr] Compiling async-stream v0.1.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling tower-balance v0.3.0-alpha.2 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling hyper v0.13.0-alpha.4 [INFO] [stderr] Compiling prost-derive v0.5.0 [INFO] [stderr] Compiling prost v0.5.0 [INFO] [stderr] Compiling tonic v0.1.0-alpha.3 [INFO] [stderr] Compiling simulation v0.0.2-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/deterministic/network/stream.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | std::mem::replace(&mut lock.delay, new); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 37.35s [INFO] running `Command { std: "docker" "inspect" "82a56ea8a9a5d9dcb77e9454201c572e4c9f0a264adc1cfbf3eff27ebdadc4c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82a56ea8a9a5d9dcb77e9454201c572e4c9f0a264adc1cfbf3eff27ebdadc4c7", kill_on_drop: false }` [INFO] [stdout] 82a56ea8a9a5d9dcb77e9454201c572e4c9f0a264adc1cfbf3eff27ebdadc4c7 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 705b010e96269877e19bcdb0e7af0bc40f5907fdf20e75e5d85e07482a3b8030 [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" "705b010e96269877e19bcdb0e7af0bc40f5907fdf20e75e5d85e07482a3b8030", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/deterministic/network/stream.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | std::mem::replace(&mut lock.delay, new); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/deterministic/network/stream.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | std::mem::replace(&mut lock.delay, new); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/simulation-ae6b009202e78323 [INFO] [stdout] running 10 tests [INFO] [stdout] test deterministic::network::pipe::tests::bounded_pipe ... ok [INFO] [stdout] test deterministic::network::pipe::tests::shutdown_pipe ... ok [INFO] [stdout] test deterministic::network::stream::tests::test_server_disconnect_wake ... ok [INFO] [stdout] test deterministic::network::stream::tests::test_client_disconnect_wake ... ok [INFO] [stdout] test deterministic::tests::delays ... ok [INFO] [stdout] test deterministic::tests::globals ... ok [INFO] [stdout] test deterministic::tests::ordering ... ok [INFO] [stdout] test deterministic::network::stream::tests::test_disconnect ... ok [INFO] [stdout] test deterministic::network::stream::tests::test_ping_pong ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tonic-f77d74447e78dbe8 [INFO] [stdout] test deterministic::network::tests::bind_and_connect ... ok [INFO] [stderr] Doc-tests simulation [INFO] [stdout] [INFO] [stdout] test result: ok. 10 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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 39) ... 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" "705b010e96269877e19bcdb0e7af0bc40f5907fdf20e75e5d85e07482a3b8030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "705b010e96269877e19bcdb0e7af0bc40f5907fdf20e75e5d85e07482a3b8030", kill_on_drop: false }` [INFO] [stdout] 705b010e96269877e19bcdb0e7af0bc40f5907fdf20e75e5d85e07482a3b8030