[INFO] fetching crate simulation 0.0.2-alpha.0... [INFO] checking simulation-0.0.2-alpha.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate simulation 0.0.2-alpha.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate simulation 0.0.2-alpha.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-join-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Downloaded itertools v0.8.0 [INFO] [stderr] Downloaded hyper v0.13.0-alpha.4 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Downloaded tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Downloaded rand_pcg v0.2.0 [INFO] [stderr] Downloaded pin-project v0.4.5 [INFO] [stderr] Downloaded tower-limit v0.3.0-alpha.2 [INFO] [stderr] Downloaded tracing-attributes v0.1.4 [INFO] [stderr] Downloaded tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Downloaded tower-load v0.3.0-alpha.2 [INFO] [stderr] Downloaded tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Downloaded tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Downloaded tower-balance v0.3.0-alpha.2 [INFO] [stderr] Downloaded tokio-net v0.2.0-alpha.6 [INFO] [stderr] Downloaded h2 v0.2.0-alpha.3 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded ppv-lite86 v0.2.5 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded async-stream v0.1.2 [INFO] [stderr] Downloaded http-body v0.2.0-alpha.3 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded async-stream-impl v0.1.1 [INFO] [stderr] Downloaded tower-buffer v0.3.0-alpha.2 [INFO] [stderr] Downloaded tower v0.3.0-alpha.2 [INFO] [stderr] Downloaded tower-discover v0.3.0-alpha.2 [INFO] [stderr] Downloaded tower-util v0.3.0-alpha.2 [INFO] [stderr] Downloaded pin-convert v0.1.0 [INFO] [stderr] Downloaded tokio-test v0.2.0-alpha.6 [INFO] [stderr] Downloaded prost v0.5.0 [INFO] [stderr] Downloaded tower-load-shed v0.3.0-alpha.2 [INFO] [stderr] Downloaded tower-service v0.2.0 [INFO] [stderr] Downloaded tower-retry v0.3.0-alpha.2 [INFO] [stderr] Downloaded tokio v0.2.0-alpha.6 [INFO] [stderr] Downloaded tokio-io v0.2.0-alpha.6 [INFO] [stderr] Downloaded tower-timeout v0.3.0-alpha.2 [INFO] [stderr] Downloaded tower-layer v0.3.0-alpha.2 [INFO] [stderr] Downloaded prost-derive v0.5.0 [INFO] [stderr] Downloaded tower-service v0.3.0-alpha.2 [INFO] [stderr] Downloaded tower-make v0.3.0-alpha.2a [INFO] [stderr] Downloaded pin-project-internal v0.4.5 [INFO] [stderr] Downloaded tracing v0.1.9 [INFO] [stderr] Downloaded tonic v0.1.0-alpha.3 [INFO] [stderr] Downloaded tower-reconnect v0.3.0-alpha.2 [INFO] [stderr] Downloaded async-trait v0.1.16 [INFO] [stderr] Downloaded tracing-core v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01f0b8144d44fe6474851542e764fbe64554c99349f59bc4dc8f7cc743cc2d03 [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" "01f0b8144d44fe6474851542e764fbe64554c99349f59bc4dc8f7cc743cc2d03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01f0b8144d44fe6474851542e764fbe64554c99349f59bc4dc8f7cc743cc2d03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01f0b8144d44fe6474851542e764fbe64554c99349f59bc4dc8f7cc743cc2d03", kill_on_drop: false }` [INFO] [stdout] 01f0b8144d44fe6474851542e764fbe64554c99349f59bc4dc8f7cc743cc2d03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--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] d8555d25a9643b755c82bca23c88099f632afb7189edb4f1205f4ccbecdd9c75 [INFO] running `Command { std: "docker" "start" "-a" "d8555d25a9643b755c82bca23c88099f632afb7189edb4f1205f4ccbecdd9c75", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking tower-layer v0.3.0-alpha.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking pin-convert v0.1.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking tower-service v0.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking getrandom v0.1.12 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.6 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_pcg v0.2.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking http-body v0.2.0-alpha.3 [INFO] [stderr] Compiling prost-derive v0.5.0 [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-stream-impl v0.1.1 [INFO] [stderr] Compiling async-trait v0.1.16 [INFO] [stderr] Checking prost v0.5.0 [INFO] [stderr] Checking async-stream v0.1.2 [INFO] [stderr] Checking 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] Checking pin-project v0.4.5 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tower-discover v0.3.0-alpha.2 [INFO] [stderr] Checking tower-load-shed v0.3.0-alpha.2 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tower-make v0.3.0-alpha.2a [INFO] [stderr] Checking tower-reconnect v0.3.0-alpha.2 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tower-util v0.3.0-alpha.2 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking h2 v0.2.0-alpha.3 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking tower-buffer v0.3.0-alpha.2 [INFO] [stderr] Checking tower-retry v0.3.0-alpha.2 [INFO] [stderr] Checking tower-load v0.3.0-alpha.2 [INFO] [stderr] Checking tower-limit v0.3.0-alpha.2 [INFO] [stderr] Checking tower-timeout v0.3.0-alpha.2 [INFO] [stderr] Checking tower-balance v0.3.0-alpha.2 [INFO] [stderr] Checking tower v0.3.0-alpha.2 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-test v0.2.0-alpha.6 [INFO] [stderr] Checking hyper v0.13.0-alpha.4 [INFO] [stderr] Checking 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] Checking tonic v0.1.0-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] Finished dev [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `Command { std: "docker" "inspect" "d8555d25a9643b755c82bca23c88099f632afb7189edb4f1205f4ccbecdd9c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8555d25a9643b755c82bca23c88099f632afb7189edb4f1205f4ccbecdd9c75", kill_on_drop: false }` [INFO] [stdout] d8555d25a9643b755c82bca23c88099f632afb7189edb4f1205f4ccbecdd9c75