[INFO] fetching crate quantum_random 0.1.0...
[INFO] testing quantum_random-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate quantum_random 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate quantum_random 0.1.0
[INFO] finished tweaking crates.io crate quantum_random 0.1.0
[INFO] tweaked toml for crates.io crate quantum_random 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate quantum_random 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 253 packages to latest compatible versions
[INFO] [stderr]       Adding atoi v0.3.3 (available: v2.0.0)
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding dirs-2 v1.1.0 (available: v3.0.1)
[INFO] [stderr]       Adding futures-channel-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-core-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-executor-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-io-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-join-macro-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-select-macro-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-sink-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-util-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding hex v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding parking_lot v0.9.0 (available: v0.12.4)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.12.23)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded hermit-abi v0.5.2
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded winreg v0.6.2
[INFO] [stderr]   Downloaded unicode-bidi v0.3.18
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded flate2 v1.1.2
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded zerocopy v0.8.27
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded dirs-2 v1.1.0
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.27
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded num_cpus v1.17.0
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded mime_guess v2.0.5
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded mut_static v5.0.0
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded unicase v2.8.1
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded unicode-normalization v0.1.24
[INFO] [stderr]   Downloaded unicode-xid v0.2.6
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded crc32fast v1.5.0
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.5
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded matches v0.1.10
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded idna v0.2.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded tinyvec v1.10.0
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.1
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c14dfb2b421c263a6e7d66559fc8c7d9e5806f7c2e98d4002627910752d939
[INFO] running `Command { std: "docker" "start" "-a" "63c14dfb2b421c263a6e7d66559fc8c7d9e5806f7c2e98d4002627910752d939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c14dfb2b421c263a6e7d66559fc8c7d9e5806f7c2e98d4002627910752d939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c14dfb2b421c263a6e7d66559fc8c7d9e5806f7c2e98d4002627910752d939", kill_on_drop: false }`
[INFO] [stdout] 63c14dfb2b421c263a6e7d66559fc8c7d9e5806f7c2e98d4002627910752d939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d4419819779a44572119604d1daf1b2e771674cf9532b2f32065cb97bb6472
[INFO] running `Command { std: "docker" "start" "-a" "58d4419819779a44572119604d1daf1b2e771674cf9532b2f32065cb97bb6472", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-preview-0.3.0-alpha.18/src/lib.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "async-await", feature(async_await))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since `1.39.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-util-preview` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "58d4419819779a44572119604d1daf1b2e771674cf9532b2f32065cb97bb6472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d4419819779a44572119604d1daf1b2e771674cf9532b2f32065cb97bb6472", kill_on_drop: false }`
[INFO] [stdout] 58d4419819779a44572119604d1daf1b2e771674cf9532b2f32065cb97bb6472
