[INFO] cloning repository https://github.com/Oni-zerone/HelloMicroservice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Oni-zerone/HelloMicroservice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOni-zerone%2FHelloMicroservice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOni-zerone%2FHelloMicroservice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e0dd64ecffb836c29c7e76a42931a3b7d02fabb
[INFO] documenting Oni-zerone/HelloMicroservice 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%2FOni-zerone%2FHelloMicroservice" "/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/Oni-zerone/HelloMicroservice 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/Oni-zerone/HelloMicroservice
[INFO] finished tweaking git repo https://github.com/Oni-zerone/HelloMicroservice
[INFO] tweaked toml for git repo https://github.com/Oni-zerone/HelloMicroservice written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Oni-zerone/HelloMicroservice 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 519ca1944382883511f6502794588b933e0e19fc840c82cfdd16124538d4ff63
[INFO] running `Command { std: "docker" "start" "-a" "519ca1944382883511f6502794588b933e0e19fc840c82cfdd16124538d4ff63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "519ca1944382883511f6502794588b933e0e19fc840c82cfdd16124538d4ff63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519ca1944382883511f6502794588b933e0e19fc840c82cfdd16124538d4ff63", kill_on_drop: false }`
[INFO] [stdout] 519ca1944382883511f6502794588b933e0e19fc840c82cfdd16124538d4ff63
[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] 5866be8b1f71274e3edd3b5a3b86df243b3b50827058c301a4503a4ee74aff50
[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" "5866be8b1f71274e3edd3b5a3b86df243b3b50827058c301a4503a4ee74aff50", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0 (https://github.com/lfairy/maud#90cc11e9)
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling maud_macros v0.20.0 (https://github.com/lfairy/maud#90cc11e9)
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/maud-588f745ae3a2d730/90cc11e/maud_macros/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_def_site)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/maud-588f745ae3a2d730/90cc11e/maud_macros/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/maud-588f745ae3a2d730/90cc11e/maud_macros/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/maud-588f745ae3a2d730/90cc11e/maud_macros/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_quote)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/maud-588f745ae3a2d730/90cc11e/maud_macros/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 compile `maud_macros`
[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" "5866be8b1f71274e3edd3b5a3b86df243b3b50827058c301a4503a4ee74aff50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5866be8b1f71274e3edd3b5a3b86df243b3b50827058c301a4503a4ee74aff50", kill_on_drop: false }`
[INFO] [stdout] 5866be8b1f71274e3edd3b5a3b86df243b3b50827058c301a4503a4ee74aff50
