[INFO] cloning repository https://github.com/radicle-dev/radicle-bins
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radicle-dev/radicle-bins" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Fradicle-bins", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Fradicle-bins'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90e93a4bc8d3bbf617785aa3e866a58b5f0b7284
[INFO] testing radicle-dev/radicle-bins against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Fradicle-bins" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radicle-dev/radicle-bins on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/radicle-dev/radicle-bins
[INFO] finished tweaking git repo https://github.com/radicle-dev/radicle-bins
[INFO] tweaked toml for git repo https://github.com/radicle-dev/radicle-bins written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/radicle-dev/radicle-bins already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/git2-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/radicle-dev/libgit2.git`
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/radicle-link`
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/radicle-avatar`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minicbor v0.9.0
[INFO] [stderr]   Downloaded minicbor-derive v0.6.4
[INFO] [stderr]   Downloaded radicle-keystore v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fff8c9a3439769c70fecef1d10fed9db10ea8e789e4c0cbae6512c45fe204cf
[INFO] running `Command { std: "docker" "start" "-a" "2fff8c9a3439769c70fecef1d10fed9db10ea8e789e4c0cbae6512c45fe204cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fff8c9a3439769c70fecef1d10fed9db10ea8e789e4c0cbae6512c45fe204cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fff8c9a3439769c70fecef1d10fed9db10ea8e789e4c0cbae6512c45fe204cf", kill_on_drop: false }`
[INFO] [stdout] 2fff8c9a3439769c70fecef1d10fed9db10ea8e789e4c0cbae6512c45fe204cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 578119e431fe39949e0918570c9226915347f46601f38b0631e4f3d058b2f17b
[INFO] running `Command { std: "docker" "start" "-a" "578119e431fe39949e0918570c9226915347f46601f38b0631e4f3d058b2f17b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling radicle-std-ext v0.1.0 (https://github.com/radicle-dev/radicle-link?branch=xla/disable-rere#7f8689c8)
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling nonzero_ext v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/radicle-link-009c17032bc5eda9/7f8689c/std-ext/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(extend_one)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `radicle-std-ext` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "578119e431fe39949e0918570c9226915347f46601f38b0631e4f3d058b2f17b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578119e431fe39949e0918570c9226915347f46601f38b0631e4f3d058b2f17b", kill_on_drop: false }`
[INFO] [stdout] 578119e431fe39949e0918570c9226915347f46601f38b0631e4f3d058b2f17b
