[INFO] fetching crate const-layout 0.1.1...
[INFO] testing const-layout-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate const-layout 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate const-layout 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-layout 0.1.1
[INFO] finished tweaking crates.io crate const-layout 0.1.1
[INFO] tweaked toml for crates.io crate const-layout 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29f3fff6826e41834f02d8a20c2a147ce576ddf96550596c54fb4f34fdaab95f
[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" "29f3fff6826e41834f02d8a20c2a147ce576ddf96550596c54fb4f34fdaab95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29f3fff6826e41834f02d8a20c2a147ce576ddf96550596c54fb4f34fdaab95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f3fff6826e41834f02d8a20c2a147ce576ddf96550596c54fb4f34fdaab95f", kill_on_drop: false }`
[INFO] [stdout] 29f3fff6826e41834f02d8a20c2a147ce576ddf96550596c54fb4f34fdaab95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8657f18c2b7b05daf2074f19e0e6fb3b3b635eb38fe931abe083cf9a1f0d7cab
[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" "8657f18c2b7b05daf2074f19e0e6fb3b3b635eb38fe931abe083cf9a1f0d7cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-layout v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type Size = Size<{ size_of::<T>() }>;
[INFO] [stdout]    |                                  ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     type Align = Align<{ align_of::<T>() }>;
[INFO] [stdout]    |                                     ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-layout` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "8657f18c2b7b05daf2074f19e0e6fb3b3b635eb38fe931abe083cf9a1f0d7cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8657f18c2b7b05daf2074f19e0e6fb3b3b635eb38fe931abe083cf9a1f0d7cab", kill_on_drop: false }`
[INFO] [stdout] 8657f18c2b7b05daf2074f19e0e6fb3b3b635eb38fe931abe083cf9a1f0d7cab