[INFO] fetching crate simulation 0.0.2-alpha.0...
[INFO] testing simulation-0.0.2-alpha.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate simulation 0.0.2-alpha.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate simulation 0.0.2-alpha.0 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 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-8/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 `"/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] f9e46b97cfb8610403f2683c1f5e564fc4976fd1aba68a09dd366740e344bec2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f9e46b97cfb8610403f2683c1f5e564fc4976fd1aba68a09dd366740e344bec2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling pin-convert v0.1.0
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.6
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[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 tokio-codec v0.2.0-alpha.6
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[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-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling tokio-fs v0.2.0-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] [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 dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "f9e46b97cfb8610403f2683c1f5e564fc4976fd1aba68a09dd366740e344bec2"`
[INFO] running `"docker" "rm" "-f" "f9e46b97cfb8610403f2683c1f5e564fc4976fd1aba68a09dd366740e344bec2"`
[INFO] [stdout] f9e46b97cfb8610403f2683c1f5e564fc4976fd1aba68a09dd366740e344bec2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3dd006d2f70381967dd044e6b0854913daf99ea12e6d3cf367fbc60cd26d10b4
[INFO] running `"docker" "start" "-a" "3dd006d2f70381967dd044e6b0854913daf99ea12e6d3cf367fbc60cd26d10b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tower-service v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-layer v0.3.0-alpha.2
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling async-stream-impl v0.1.1
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tower-discover v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-load-shed v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-util v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-make v0.3.0-alpha.2a
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tower-buffer 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-load v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-limit v0.3.0-alpha.2
[INFO] [stderr]    Compiling tower-reconnect v0.3.0-alpha.2
[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]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling tower v0.3.0-alpha.2
[INFO] [stderr]    Compiling async-stream v0.1.2
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling http-body v0.2.0-alpha.3
[INFO] [stderr]    Compiling h2 v0.2.0-alpha.3
[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] [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 51.14s
[INFO] running `"docker" "inspect" "3dd006d2f70381967dd044e6b0854913daf99ea12e6d3cf367fbc60cd26d10b4"`
[INFO] running `"docker" "rm" "-f" "3dd006d2f70381967dd044e6b0854913daf99ea12e6d3cf367fbc60cd26d10b4"`
[INFO] [stdout] 3dd006d2f70381967dd044e6b0854913daf99ea12e6d3cf367fbc60cd26d10b4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] f62a1fce828f79c20ddad7f2ae965512cb2c5cca99f76286b8fc54bd0afb9c62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f62a1fce828f79c20ddad7f2ae965512cb2c5cca99f76286b8fc54bd0afb9c62"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simulation-456e0cb81317d99b
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test deterministic::network::pipe::tests::shutdown_pipe ... ok
[INFO] [stdout] test deterministic::tests::delays ... ok
[INFO] [stdout] test deterministic::network::stream::tests::test_client_disconnect_wake ... ok
[INFO] [stdout] test deterministic::tests::ordering ... ok
[INFO] [stdout] test deterministic::network::pipe::tests::bounded_pipe ... ok
[INFO] [stdout] test deterministic::network::stream::tests::test_server_disconnect_wake ... ok
[INFO] [stdout] test deterministic::tests::globals ... ok
[INFO] [stdout] test deterministic::network::stream::tests::test_disconnect ... ok
[INFO] [stdout] test deterministic::network::tests::bind_and_connect ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tonic-4379761d4c5c2034
[INFO] [stdout] test deterministic::network::stream::tests::test_ping_pong ... ok
[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] [stderr]    Doc-tests simulation
[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 `"docker" "inspect" "f62a1fce828f79c20ddad7f2ae965512cb2c5cca99f76286b8fc54bd0afb9c62"`
[INFO] running `"docker" "rm" "-f" "f62a1fce828f79c20ddad7f2ae965512cb2c5cca99f76286b8fc54bd0afb9c62"`
[INFO] [stdout] f62a1fce828f79c20ddad7f2ae965512cb2c5cca99f76286b8fc54bd0afb9c62