[INFO] cloning repository https://github.com/hyd-dev/advance-anon-pipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyd-dev/advance-anon-pipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyd-dev%2Fadvance-anon-pipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyd-dev%2Fadvance-anon-pipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d3ede9c5b9f3080523077e17dc10f8eb76ba1ec
[INFO] checking hyd-dev/advance-anon-pipe against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyd-dev%2Fadvance-anon-pipe" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyd-dev/advance-anon-pipe on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/hyd-dev/advance-anon-pipe
[INFO] finished tweaking git repo https://github.com/hyd-dev/advance-anon-pipe
[INFO] tweaked toml for git repo https://github.com/hyd-dev/advance-anon-pipe written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hyd-dev/advance-anon-pipe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20db111af4a454b7a7f9090743641b5e28d38591eafcb034a8e22f87b629de24
[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" "20db111af4a454b7a7f9090743641b5e28d38591eafcb034a8e22f87b629de24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20db111af4a454b7a7f9090743641b5e28d38591eafcb034a8e22f87b629de24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20db111af4a454b7a7f9090743641b5e28d38591eafcb034a8e22f87b629de24", kill_on_drop: false }`
[INFO] [stdout] 20db111af4a454b7a7f9090743641b5e28d38591eafcb034a8e22f87b629de24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7981acaabfa6d8e714aa74ea254975ca7a8cb070435e4f7865bcefa8fc114e5a
[INFO] running `Command { std: "docker" "start" "-a" "7981acaabfa6d8e714aa74ea254975ca7a8cb070435e4f7865bcefa8fc114e5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling apply-macro v1.0.11
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling ntapi v0.3.6
[INFO] [stderr]    Compiling seq-macro v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cvt-trait v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling hut-macros v0.0.0 (https://github.com/hyd-dev/rust-hut.git#49c571d4)
[INFO] [stderr]    Compiling hut v0.0.0 (https://github.com/hyd-dev/rust-hut.git#49c571d4)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rust-hut-c28bd1d5b6d879be/49c571d/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     const_in_array_repeat_expressions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed due to causing promotable bugs
[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 `hut`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7981acaabfa6d8e714aa74ea254975ca7a8cb070435e4f7865bcefa8fc114e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7981acaabfa6d8e714aa74ea254975ca7a8cb070435e4f7865bcefa8fc114e5a", kill_on_drop: false }`
[INFO] [stdout] 7981acaabfa6d8e714aa74ea254975ca7a8cb070435e4f7865bcefa8fc114e5a