[INFO] cloning repository https://github.com/zatoichi-labs/page
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zatoichi-labs/page" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzatoichi-labs%2Fpage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzatoichi-labs%2Fpage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a794de43820c5aefdd3dc5c7da98502063acc718
[INFO] checking zatoichi-labs/page against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzatoichi-labs%2Fpage" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zatoichi-labs/page on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zatoichi-labs/page
[INFO] finished tweaking git repo https://github.com/zatoichi-labs/page
[INFO] tweaked toml for git repo https://github.com/zatoichi-labs/page written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d4026bc6fc694407882c44493e1a5ee6c171d6d486ceb0b10e5aed277134c88
[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" "9d4026bc6fc694407882c44493e1a5ee6c171d6d486ceb0b10e5aed277134c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d4026bc6fc694407882c44493e1a5ee6c171d6d486ceb0b10e5aed277134c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4026bc6fc694407882c44493e1a5ee6c171d6d486ceb0b10e5aed277134c88", kill_on_drop: false }`
[INFO] [stdout] 9d4026bc6fc694407882c44493e1a5ee6c171d6d486ceb0b10e5aed277134c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a3e389bb1c17b3a9fc35bed00ca4b296c232f3a1d9b7aaa4870499ecf40c99
[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" "f6a3e389bb1c17b3a9fc35bed00ca4b296c232f3a1d9b7aaa4870499ecf40c99", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking radix64 v0.6.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pyo3-derive-backend v0.9.2
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f6a3e389bb1c17b3a9fc35bed00ca4b296c232f3a1d9b7aaa4870499ecf40c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a3e389bb1c17b3a9fc35bed00ca4b296c232f3a1d9b7aaa4870499ecf40c99", kill_on_drop: false }`
[INFO] [stdout] f6a3e389bb1c17b3a9fc35bed00ca4b296c232f3a1d9b7aaa4870499ecf40c99