[INFO] fetching crate simulation 0.0.2-alpha.0... [INFO] testing simulation-0.0.2-alpha.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate simulation 0.0.2-alpha.0 into /workspace/builds/worker-3-tc2/source [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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate simulation 0.0.2-alpha.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate simulation 0.0.2-alpha.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f651901fb1d2e1a830dd56b72098870fc29ae6c46d6b579f55ac450e3feb4588 [INFO] running `Command { std: "docker" "start" "-a" "f651901fb1d2e1a830dd56b72098870fc29ae6c46d6b579f55ac450e3feb4588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f651901fb1d2e1a830dd56b72098870fc29ae6c46d6b579f55ac450e3feb4588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f651901fb1d2e1a830dd56b72098870fc29ae6c46d6b579f55ac450e3feb4588", kill_on_drop: false }` [INFO] [stdout] f651901fb1d2e1a830dd56b72098870fc29ae6c46d6b579f55ac450e3feb4588 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0006d58c3fac37f776584d48a5cb18e6400d68d6860342ca2ee26e0c4c9a6a06 [INFO] running `Command { std: "docker" "start" "-a" "0006d58c3fac37f776584d48a5cb18e6400d68d6860342ca2ee26e0c4c9a6a06", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling tracing-core v0.1.6 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling pin-convert v0.1.0 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.0 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tracing-attributes v0.1.4 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling async-trait v0.1.16 [INFO] [stderr] Compiling tracing v0.1.9 [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 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-net 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 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: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = std::mem::replace(&mut lock.delay, new); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.05s [INFO] running `Command { std: "docker" "inspect" "0006d58c3fac37f776584d48a5cb18e6400d68d6860342ca2ee26e0c4c9a6a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0006d58c3fac37f776584d48a5cb18e6400d68d6860342ca2ee26e0c4c9a6a06", kill_on_drop: false }` [INFO] [stdout] 0006d58c3fac37f776584d48a5cb18e6400d68d6860342ca2ee26e0c4c9a6a06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f21a9c1997c4267db9917917c7e311c013e3f9c15462bdd9681e47415a576d3 [INFO] running `Command { std: "docker" "start" "-a" "0f21a9c1997c4267db9917917c7e311c013e3f9c15462bdd9681e47415a576d3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling tower-service v0.3.0-alpha.2 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling tower-layer v0.3.0-alpha.2 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling tower-make v0.3.0-alpha.2a [INFO] [stderr] Compiling tower-discover v0.3.0-alpha.2 [INFO] [stderr] Compiling http v0.1.19 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tower-load v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-retry v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-util v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-load-shed v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-buffer v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-timeout v0.3.0-alpha.2 [INFO] [stderr] Compiling tower-limit v0.3.0-alpha.2 [INFO] [stderr] Compiling async-stream-impl v0.1.1 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling tower-reconnect v0.3.0-alpha.2 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling async-stream v0.1.2 [INFO] [stderr] Compiling http-body v0.2.0-alpha.3 [INFO] [stderr] Compiling h2 v0.2.0-alpha.3 [INFO] [stderr] Compiling tower v0.3.0-alpha.2 [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: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = std::mem::replace(&mut lock.delay, new); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [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 prost-derive v0.5.0 [INFO] [stderr] Compiling tower-service v0.2.0 [INFO] [stderr] Compiling hyper v0.13.0-alpha.4 [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: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = std::mem::replace(&mut lock.delay, new); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 23.12s [INFO] running `Command { std: "docker" "inspect" "0f21a9c1997c4267db9917917c7e311c013e3f9c15462bdd9681e47415a576d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f21a9c1997c4267db9917917c7e311c013e3f9c15462bdd9681e47415a576d3", kill_on_drop: false }` [INFO] [stdout] 0f21a9c1997c4267db9917917c7e311c013e3f9c15462bdd9681e47415a576d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6adac5a49eece3515dcec623635b14b46507b23e771e6b2fc961718c792cb52b [INFO] running `Command { std: "docker" "start" "-a" "6adac5a49eece3515dcec623635b14b46507b23e771e6b2fc961718c792cb52b", 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: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 141 | let _ = std::mem::replace(&mut lock.delay, new); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `simulation` (lib) generated 1 warning [INFO] [stderr] warning: `simulation` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simulation-25c618726a8f09d2) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test deterministic::network::pipe::tests::shutdown_pipe ... 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::network::stream::tests::test_client_disconnect_wake ... ok [INFO] [stdout] test deterministic::tests::globals ... ok [INFO] [stdout] test deterministic::tests::delays ... ok [INFO] [stdout] test deterministic::tests::ordering ... ok [INFO] [stdout] test deterministic::network::stream::tests::test_disconnect ... ok [INFO] [stdout] test deterministic::network::tests::bind_and_connect ... ok [INFO] [stderr] Running tests/tonic.rs (/opt/rustwide/target/debug/deps/tonic-f00eba4656c8be73) [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; finished in 0.10s [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; finished in 0.00s [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; finished in 0.32s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6adac5a49eece3515dcec623635b14b46507b23e771e6b2fc961718c792cb52b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6adac5a49eece3515dcec623635b14b46507b23e771e6b2fc961718c792cb52b", kill_on_drop: false }` [INFO] [stdout] 6adac5a49eece3515dcec623635b14b46507b23e771e6b2fc961718c792cb52b