[INFO] cloning repository https://github.com/albertobaselga/abf-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/albertobaselga/abf-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertobaselga%2Fabf-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertobaselga%2Fabf-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 885fee35598c9fd9ac376d4e69e23a9421769f92
[INFO] checking albertobaselga/abf-kernel against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbertobaselga%2Fabf-kernel" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/albertobaselga/abf-kernel on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/albertobaselga/abf-kernel
[INFO] finished tweaking git repo https://github.com/albertobaselga/abf-kernel
[INFO] tweaked toml for git repo https://github.com/albertobaselga/abf-kernel written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/albertobaselga/abf-kernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlibc v0.1.4
[INFO] [stderr]   Downloaded spin v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc6a2519b7cb8ac9d2a93d995d61d5b281d47d021f2f88d1413e1597c57dc47
[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" "bdc6a2519b7cb8ac9d2a93d995d61d5b281d47d021f2f88d1413e1597c57dc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc6a2519b7cb8ac9d2a93d995d61d5b281d47d021f2f88d1413e1597c57dc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc6a2519b7cb8ac9d2a93d995d61d5b281d47d021f2f88d1413e1597c57dc47", kill_on_drop: false }`
[INFO] [stdout] bdc6a2519b7cb8ac9d2a93d995d61d5b281d47d021f2f88d1413e1597c57dc47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0555469435e3fb03dd37c083481a7e3d4199877a62cea398f59177e2d73384c9
[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" "0555469435e3fb03dd37c083481a7e3d4199877a62cea398f59177e2d73384c9", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.3.4
[INFO] [stderr]     Checking rlibc v0.1.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.3.4/src/lib.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(no_std, 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` 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" "0555469435e3fb03dd37c083481a7e3d4199877a62cea398f59177e2d73384c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0555469435e3fb03dd37c083481a7e3d4199877a62cea398f59177e2d73384c9", kill_on_drop: false }`
[INFO] [stdout] 0555469435e3fb03dd37c083481a7e3d4199877a62cea398f59177e2d73384c9