[INFO] fetching crate cluConstData 1.3.0...
[INFO] testing cluConstData-1.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate cluConstData 1.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cluConstData 1.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cluConstData 1.3.0
[INFO] finished tweaking crates.io crate cluConstData 1.3.0
[INFO] tweaked toml for crates.io crate cluConstData 1.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cluConstData 1.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d31c90e41c0b66bd6618c4769e9d0fb4a795693c22bf0411c8fc70474aa5439b
[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" "d31c90e41c0b66bd6618c4769e9d0fb4a795693c22bf0411c8fc70474aa5439b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d31c90e41c0b66bd6618c4769e9d0fb4a795693c22bf0411c8fc70474aa5439b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31c90e41c0b66bd6618c4769e9d0fb4a795693c22bf0411c8fc70474aa5439b", kill_on_drop: false }`
[INFO] [stdout] d31c90e41c0b66bd6618c4769e9d0fb4a795693c22bf0411c8fc70474aa5439b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3111ecce1c26cdb604497a67d06aae282b266e2d3f998872518e3705aa2f4a21
[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" "3111ecce1c26cdb604497a67d06aae282b266e2d3f998872518e3705aa2f4a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling cluFullTransmute v1.0.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cluFullTransmute-1.0.2/src/lib.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | #![feature(const_fn)]
[INFO] [stdout]     |            ^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cluFullTransmute-1.0.2/src/lib.rs:134:1
[INFO] [stdout]     |
[INFO] [stdout] 134 | #![feature(untagged_unions)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cluFullTransmute-1.0.2/src/lib.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | #![feature(const_fn)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cluFullTransmute-1.0.2/src/lib.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout] 136 | #![feature(const_fn_union)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cluFullTransmute`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3111ecce1c26cdb604497a67d06aae282b266e2d3f998872518e3705aa2f4a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3111ecce1c26cdb604497a67d06aae282b266e2d3f998872518e3705aa2f4a21", kill_on_drop: false }`
[INFO] [stdout] 3111ecce1c26cdb604497a67d06aae282b266e2d3f998872518e3705aa2f4a21
