[INFO] cloning repository https://github.com/keymaker-mx/keymaker-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keymaker-mx/keymaker-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeymaker-mx%2Fkeymaker-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeymaker-mx%2Fkeymaker-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf3fe29b7050e4adcd37707a4d0cabf850a24725
[INFO] documenting keymaker-mx/keymaker-bot against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeymaker-mx%2Fkeymaker-bot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keymaker-mx/keymaker-bot on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keymaker-mx/keymaker-bot
[INFO] finished tweaking git repo https://github.com/keymaker-mx/keymaker-bot
[INFO] tweaked toml for git repo https://github.com/keymaker-mx/keymaker-bot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/keymaker-mx/keymaker-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac723b664cf11d1737b50c6861b92ecea3051ed235b518ffdd6ce8c57cc0e88b
[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" "ac723b664cf11d1737b50c6861b92ecea3051ed235b518ffdd6ce8c57cc0e88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac723b664cf11d1737b50c6861b92ecea3051ed235b518ffdd6ce8c57cc0e88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac723b664cf11d1737b50c6861b92ecea3051ed235b518ffdd6ce8c57cc0e88b", kill_on_drop: false }`
[INFO] [stdout] ac723b664cf11d1737b50c6861b92ecea3051ed235b518ffdd6ce8c57cc0e88b
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5419a321a5e925f0911cbae61f8a90264bcb842436778ec387918d832f045a6f
[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" "5419a321a5e925f0911cbae61f8a90264bcb842436778ec387918d832f045a6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling const_fn v0.4.6
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling whoami v1.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking const-concat v0.1.1 (https://github.com/Vurich/const-concat?rev=f836e77a4ecadf6a11994340fdcbbdadcdc4906d#f836e77a)
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/const-concat-887414ae08e2592b/f836e77/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const_fn,
[INFO] [stdout]   |     ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/const-concat-887414ae08e2592b/f836e77/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     const_fn,
[INFO] [stdout] 3 | |     const_fn_union,
[INFO] [stdout] 4 | |     untagged_unions,
[INFO] [stdout] 5 | |     const_raw_ptr_deref
[INFO] [stdout] 6 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-concat`
[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" "5419a321a5e925f0911cbae61f8a90264bcb842436778ec387918d832f045a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5419a321a5e925f0911cbae61f8a90264bcb842436778ec387918d832f045a6f", kill_on_drop: false }`
[INFO] [stdout] 5419a321a5e925f0911cbae61f8a90264bcb842436778ec387918d832f045a6f
