[INFO] fetching crate queueue 0.1.1-beta.3...
[INFO] checking queueue-0.1.1-beta.3 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate queueue 0.1.1-beta.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate queueue 0.1.1-beta.3 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate queueue 0.1.1-beta.3
[INFO] finished tweaking crates.io crate queueue 0.1.1-beta.3
[INFO] tweaked toml for crates.io crate queueue 0.1.1-beta.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff19d3388468e85a3cccfb3ff2eec1ab367ca0bcc3bbf66a5ab0cac3f08746e4
[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" "ff19d3388468e85a3cccfb3ff2eec1ab367ca0bcc3bbf66a5ab0cac3f08746e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff19d3388468e85a3cccfb3ff2eec1ab367ca0bcc3bbf66a5ab0cac3f08746e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff19d3388468e85a3cccfb3ff2eec1ab367ca0bcc3bbf66a5ab0cac3f08746e4", kill_on_drop: false }`
[INFO] [stdout] ff19d3388468e85a3cccfb3ff2eec1ab367ca0bcc3bbf66a5ab0cac3f08746e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33b4ae46149d3447251d754ee536d20b862a2e49bfa0dda23b2c02b60e0acd0f
[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" "33b4ae46149d3447251d754ee536d20b862a2e49bfa0dda23b2c02b60e0acd0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking queueue v0.1.1-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics, maybe_uninit_uninit_array, internal_uninit_const, const_fn, const_in_array_repeat_expressions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
[INFO] [stdout]   = help: consider using `min_const_generics` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/queue/nonblocking.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     slots: [Slot<T, S>; {N}],
[INFO] [stdout]    |                         ^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/timing_wheel/hierarchical.rs:222:31
[INFO] [stdout]     |
[INFO] [stdout] 222 |     storage: [MaybeUninit<T>; {N}],
[INFO] [stdout]     |                               ^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: constant expression depends on a generic parameter
[INFO] [stdout]    --> src/timing_wheel/hierarchical.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     levels: [WheelLevel<S, CUTOFF>; LEVEL],
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this may fail depending on what value the parameter takes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `queueue`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "33b4ae46149d3447251d754ee536d20b862a2e49bfa0dda23b2c02b60e0acd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b4ae46149d3447251d754ee536d20b862a2e49bfa0dda23b2c02b60e0acd0f", kill_on_drop: false }`
[INFO] [stdout] 33b4ae46149d3447251d754ee536d20b862a2e49bfa0dda23b2c02b60e0acd0f