[INFO] cloning repository https://github.com/JiayiXu/ftzz_clone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JiayiXu/ftzz_clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiayiXu%2Fftzz_clone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiayiXu%2Fftzz_clone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] debcf24b5a701d0434ce3953a2f2bdb15239c2a0
[INFO] documenting JiayiXu/ftzz_clone against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiayiXu%2Fftzz_clone" "/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/JiayiXu/ftzz_clone on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JiayiXu/ftzz_clone
[INFO] finished tweaking git repo https://github.com/JiayiXu/ftzz_clone
[INFO] tweaked toml for git repo https://github.com/JiayiXu/ftzz_clone written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/JiayiXu/ftzz_clone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", 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] 2503a3c4d6c5dcc6562bd9f8f22f34363c54c290c7b80af334d70728a0843dd2
[INFO] running `Command { std: "docker" "start" "-a" "2503a3c4d6c5dcc6562bd9f8f22f34363c54c290c7b80af334d70728a0843dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2503a3c4d6c5dcc6562bd9f8f22f34363c54c290c7b80af334d70728a0843dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2503a3c4d6c5dcc6562bd9f8f22f34363c54c290c7b80af334d70728a0843dd2", kill_on_drop: false }`
[INFO] [stdout] 2503a3c4d6c5dcc6562bd9f8f22f34363c54c290c7b80af334d70728a0843dd2
[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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 24d849d36dc4c20d4e7a801bdd818ee4cdd1888ef86a5e59bf6ae09aa6e84e45
[INFO] running `Command { std: "docker" "start" "-a" "24d849d36dc4c20d4e7a801bdd818ee4cdd1888ef86a5e59bf6ae09aa6e84e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling packed_simd_2 v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking itoa v1.0.1 (https://github.com/SUPERCILEX/itoa#4821556c)
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(const_ptr_offset)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(const_slice_from_raw_parts)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(const_mut_refs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![feature(const_intrinsic_copy)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![feature(const_trait_impl)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | #![feature(const_ptr_write)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(const_ptr_offset)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(const_slice_from_raw_parts)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![feature(const_intrinsic_copy)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/itoa-0f93e1c2d9b1ebd1/4821556/src/lib.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | #![feature(const_ptr_write)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr] error: could not compile `itoa` due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "24d849d36dc4c20d4e7a801bdd818ee4cdd1888ef86a5e59bf6ae09aa6e84e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d849d36dc4c20d4e7a801bdd818ee4cdd1888ef86a5e59bf6ae09aa6e84e45", kill_on_drop: false }`
[INFO] [stdout] 24d849d36dc4c20d4e7a801bdd818ee4cdd1888ef86a5e59bf6ae09aa6e84e45