[INFO] cloning repository https://github.com/gelfand/lockfree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gelfand/lockfree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgelfand%2Flockfree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgelfand%2Flockfree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1344256a9f29549fdf6f32594a983ffbd3eebe1b
[INFO] testing gelfand/lockfree against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgelfand%2Flockfree" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gelfand/lockfree on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gelfand/lockfree
[INFO] finished tweaking git repo https://github.com/gelfand/lockfree
[INFO] tweaked toml for git repo https://github.com/gelfand/lockfree written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gelfand/lockfree 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/crossbeam-rs/crossbeam`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adba0debc71b78e380bb0dcb9e0fe16d07feee7eaa0184b31a29861d999b91c0
[INFO] running `Command { std: "docker" "start" "-a" "adba0debc71b78e380bb0dcb9e0fe16d07feee7eaa0184b31a29861d999b91c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adba0debc71b78e380bb0dcb9e0fe16d07feee7eaa0184b31a29861d999b91c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adba0debc71b78e380bb0dcb9e0fe16d07feee7eaa0184b31a29861d999b91c0", kill_on_drop: false }`
[INFO] [stdout] adba0debc71b78e380bb0dcb9e0fe16d07feee7eaa0184b31a29861d999b91c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bb04f7bed8644ceb8f12725bd3fa24e1983bdb7965b3389997cf19c2a34eb99
[INFO] running `Command { std: "docker" "start" "-a" "1bb04f7bed8644ceb8f12725bd3fa24e1983bdb7965b3389997cf19c2a34eb99", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8 (https://github.com/crossbeam-rs/crossbeam#df9b0c90)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5 (https://github.com/crossbeam-rs/crossbeam#df9b0c90)
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8 (https://github.com/crossbeam-rs/crossbeam#df9b0c90)
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4 (https://github.com/crossbeam-rs/crossbeam#df9b0c90)
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1 (https://github.com/crossbeam-rs/crossbeam#df9b0c90)
[INFO] [stderr]    Compiling crossbeam v0.8.1 (https://github.com/crossbeam-rs/crossbeam#df9b0c90)
[INFO] [stderr]    Compiling lockfreed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "nightly", feature(const_trait_impl, const_default_impls))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:60
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(feature = "nightly", feature(const_trait_impl, const_default_impls))]
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lockfreed` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1bb04f7bed8644ceb8f12725bd3fa24e1983bdb7965b3389997cf19c2a34eb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb04f7bed8644ceb8f12725bd3fa24e1983bdb7965b3389997cf19c2a34eb99", kill_on_drop: false }`
[INFO] [stdout] 1bb04f7bed8644ceb8f12725bd3fa24e1983bdb7965b3389997cf19c2a34eb99
