[INFO] cloning repository https://github.com/sixleaveakkm/thermal-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sixleaveakkm/thermal-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixleaveakkm%2Fthermal-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixleaveakkm%2Fthermal-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5fa5a92920bb88d19692d54d58def11f679a50d
[INFO] documenting sixleaveakkm/thermal-server-rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsixleaveakkm%2Fthermal-server-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sixleaveakkm/thermal-server-rust on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/sixleaveakkm/thermal-server-rust
[INFO] finished tweaking git repo https://github.com/sixleaveakkm/thermal-server-rust
[INFO] tweaked toml for git repo https://github.com/sixleaveakkm/thermal-server-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sixleaveakkm/thermal-server-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sixleaveakkm/rust-amg88xx.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded iota v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.61.0" "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] 6c5192884637dcda28f68a580405d70856532fa09aba035b074a61f666f3c67f
[INFO] running `Command { std: "docker" "start" "-a" "6c5192884637dcda28f68a580405d70856532fa09aba035b074a61f666f3c67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c5192884637dcda28f68a580405d70856532fa09aba035b074a61f666f3c67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5192884637dcda28f68a580405d70856532fa09aba035b074a61f666f3c67f", kill_on_drop: false }`
[INFO] [stdout] 6c5192884637dcda28f68a580405d70856532fa09aba035b074a61f666f3c67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b4323b59e1e4503cbe60b65c9115366ce5738c1824533fddb9e20b61ff614f4
[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" "2b4323b59e1e4503cbe60b65c9115366ce5738c1824533fddb9e20b61ff614f4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking iota v0.2.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling openssl-src v111.9.0+1.1.1g
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking amg88xx v0.1.0 (https://github.com/sixleaveakkm/rust-amg88xx.git#b643e199)
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking websocket-base v0.24.0
[INFO] [stderr]     Checking websocket v0.24.0
[INFO] [stderr]  Documenting thermal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `thermal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name thermal src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a63c47279e4a2da -L dependency=/opt/rustwide/target/debug/deps --extern amg88xx=/opt/rustwide/target/debug/deps/libamg88xx-39d1ce38cbfa5275.rmeta --extern i2cdev=/opt/rustwide/target/debug/deps/libi2cdev-2ca53f96408e71c3.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-85ff09d7b529ada1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f0b5aa17c47b9b59.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b4dfcca40481c168.rmeta --extern websocket=/opt/rustwide/target/debug/deps/libwebsocket-496b0f8ed4e41fe1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2b4323b59e1e4503cbe60b65c9115366ce5738c1824533fddb9e20b61ff614f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4323b59e1e4503cbe60b65c9115366ce5738c1824533fddb9e20b61ff614f4", kill_on_drop: false }`
[INFO] [stdout] 2b4323b59e1e4503cbe60b65c9115366ce5738c1824533fddb9e20b61ff614f4