[INFO] cloning repository https://github.com/andreasots/motd-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreasots/motd-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmotd-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasots%2Fmotd-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77d8e0193e6d1ae0680a22f4b6e53020e3d1f046
[INFO] documenting andreasots/motd-generator 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%2Fandreasots%2Fmotd-generator" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreasots/motd-generator 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/andreasots/motd-generator
[INFO] finished tweaking git repo https://github.com/andreasots/motd-generator
[INFO] tweaked toml for git repo https://github.com/andreasots/motd-generator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/andreasots/motd-generator 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]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.1.2
[INFO] [stderr]   Downloaded unicode-width v0.1.3
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] [stderr]   Downloaded thread_local v0.2.5
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded regex-syntax v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.11
[INFO] [stderr]   Downloaded winapi v0.2.7
[INFO] [stderr]   Downloaded diesel_full_text_search v0.5.1
[INFO] [stderr]   Downloaded regex v0.1.69
[INFO] [stderr]   Downloaded nix v0.5.0
[INFO] [stderr]   Downloaded diesel v0.6.1
[INFO] [stderr]   Downloaded pq-sys v0.2.1
[INFO] [stderr]   Downloaded prettytable-rs v0.6.2
[INFO] [stderr]   Downloaded chrono v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4bf45084a7c19d5f6d1d1ce90514a072e9d44a169c2148df23c8955634cd68ab
[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" "4bf45084a7c19d5f6d1d1ce90514a072e9d44a169c2148df23c8955634cd68ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf45084a7c19d5f6d1d1ce90514a072e9d44a169c2148df23c8955634cd68ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf45084a7c19d5f6d1d1ce90514a072e9d44a169c2148df23c8955634cd68ab", kill_on_drop: false }`
[INFO] [stdout] 4bf45084a7c19d5f6d1d1ce90514a072e9d44a169c2148df23c8955634cd68ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 752ad9888428a2afb2b4a43375df71ddaa02e791564e4ab7a5c972fd518c2ece
[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" "752ad9888428a2afb2b4a43375df71ddaa02e791564e4ab7a5c972fd518c2ece", kill_on_drop: false }`
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]     Checking num-traits v0.1.32
[INFO] [stderr]    Compiling pq-sys v0.2.1
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.3.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]    Compiling tempfile v2.1.3
[INFO] [stderr]     Checking nix v0.5.0
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking atty v0.1.2
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]     Checking thread_local v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking prettytable-rs v0.6.2
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.5.0/src/sched.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         ffi::clone(mem::transmute(callback), ptr as *mut c_void, flags.bits(), &mut cb)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: for<'r> extern "C" fn(*mut Box<(dyn FnMut() -> isize + 'r)>) -> i32 {callback}
[INFO] [stdout]     = note: target type: *const for<'r> extern "C" fn(*const Box<(dyn FnMut() -> isize + 'r)>) -> i32
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v0.1.69
[INFO] [stderr]     Checking num v0.1.32
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0591`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix`
[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" "752ad9888428a2afb2b4a43375df71ddaa02e791564e4ab7a5c972fd518c2ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752ad9888428a2afb2b4a43375df71ddaa02e791564e4ab7a5c972fd518c2ece", kill_on_drop: false }`
[INFO] [stdout] 752ad9888428a2afb2b4a43375df71ddaa02e791564e4ab7a5c972fd518c2ece
