[INFO] cloning repository https://github.com/luukvanderduim/carter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luukvanderduim/carter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluukvanderduim%2Fcarter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluukvanderduim%2Fcarter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15469ab77b7dbf57e916023e9a50d4545deab48d
[INFO] testing luukvanderduim/carter against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluukvanderduim%2Fcarter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luukvanderduim/carter
[INFO] finished tweaking git repo https://github.com/luukvanderduim/carter
[INFO] tweaked toml for git repo https://github.com/luukvanderduim/carter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luukvanderduim/carter on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luukvanderduim/carter 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37bb9e346d693e782d8036afd341f72d24fcc9d8348211cbb5df08e32fe51f0e
[INFO] running `Command { std: "docker" "start" "-a" "37bb9e346d693e782d8036afd341f72d24fcc9d8348211cbb5df08e32fe51f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37bb9e346d693e782d8036afd341f72d24fcc9d8348211cbb5df08e32fe51f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bb9e346d693e782d8036afd341f72d24fcc9d8348211cbb5df08e32fe51f0e", kill_on_drop: false }`
[INFO] [stdout] 37bb9e346d693e782d8036afd341f72d24fcc9d8348211cbb5df08e32fe51f0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8ebf8d5563c8eec8374aba05a9f2c1495e6f34ff3e7e7f6cb4efa6fcc4a2172
[INFO] running `Command { std: "docker" "start" "-a" "f8ebf8d5563c8eec8374aba05a9f2c1495e6f34ff3e7e7f6cb4efa6fcc4a2172", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling async-task v4.1.0
[INFO] [stderr]    Compiling easy-parallel v3.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling ordered-stream v0.0.1
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling async-broadcast v0.3.4
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enumflags2_derive v0.7.3
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling zvariant_derive v3.1.2
[INFO] [stderr]    Compiling zbus_macros v2.1.1
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling futures-concurrency v2.0.0
[INFO] [stdout] error[E0635]: unknown feature `maybe_uninit_uninit_array`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-concurrency-2.0.0/src/lib.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | #![feature(maybe_uninit_uninit_array)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `uninit_array` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-concurrency-2.0.0/src/join/array.rs:71:69
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut out: [MaybeUninit<F::Output>; N] = MaybeUninit::uninit_array();
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] help: there is an associated function `uninit` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 71 -             let mut out: [MaybeUninit<F::Output>; N] = MaybeUninit::uninit_array();
[INFO] [stdout] 71 +             let mut out: [MaybeUninit<F::Output>; N] = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-concurrency` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f8ebf8d5563c8eec8374aba05a9f2c1495e6f34ff3e7e7f6cb4efa6fcc4a2172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ebf8d5563c8eec8374aba05a9f2c1495e6f34ff3e7e7f6cb4efa6fcc4a2172", kill_on_drop: false }`
[INFO] [stdout] f8ebf8d5563c8eec8374aba05a9f2c1495e6f34ff3e7e7f6cb4efa6fcc4a2172