[INFO] cloning repository https://github.com/Soft/three
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Soft/three" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoft%2Fthree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoft%2Fthree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a74dfd47db855aa5ffcb209516000ccecdd1593a
[INFO] documenting Soft/three against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoft%2Fthree" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Soft/three on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Soft/three
[INFO] finished tweaking git repo https://github.com/Soft/three
[INFO] tweaked toml for git repo https://github.com/Soft/three written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Soft/three already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded atk-sys v0.3.2
[INFO] [stderr]   Downloaded c_vec v1.0.12
[INFO] [stderr]   Downloaded gio-sys v0.3.2
[INFO] [stderr]   Downloaded gtk v0.1.1
[INFO] [stderr]   Downloaded pango-sys v0.3.2
[INFO] [stderr]   Downloaded gobject-sys v0.3.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.1.1
[INFO] [stderr]   Downloaded either v1.0.3
[INFO] [stderr]   Downloaded gio v0.1.1
[INFO] [stderr]   Downloaded cairo-rs v0.1.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.3.2
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.3.2
[INFO] [stderr]   Downloaded glib-sys v0.3.2
[INFO] [stderr]   Downloaded slog v1.5.2
[INFO] [stderr]   Downloaded gdk v0.5.1
[INFO] [stderr]   Downloaded pango v0.1.1
[INFO] [stderr]   Downloaded gdk-sys v0.3.2
[INFO] [stderr]   Downloaded glib v0.1.1
[INFO] [stderr]   Downloaded slog-term v1.5.0
[INFO] [stderr]   Downloaded slog-stream v1.2.0
[INFO] [stderr]   Downloaded gtk-sys v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c7649c1e67519745074d69d0878977457c1c87151bb937f471ea0823625332
[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" "05c7649c1e67519745074d69d0878977457c1c87151bb937f471ea0823625332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c7649c1e67519745074d69d0878977457c1c87151bb937f471ea0823625332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c7649c1e67519745074d69d0878977457c1c87151bb937f471ea0823625332", kill_on_drop: false }`
[INFO] [stdout] 05c7649c1e67519745074d69d0878977457c1c87151bb937f471ea0823625332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07454f75ce25786efa464422be3a7f1bb83927f1ae751e778b0b7b9f6c32f8e7
[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" "07454f75ce25786efa464422be3a7f1bb83927f1ae751e778b0b7b9f6c32f8e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cairo-rs v0.1.1
[INFO] [stderr]    Compiling gio v0.1.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]    Compiling gdk v0.5.1
[INFO] [stderr]     Checking slog v1.5.2
[INFO] [stderr]    Compiling gtk v0.1.1
[INFO] [stderr]     Checking either v1.0.3
[INFO] [stderr]    Compiling glib-sys v0.3.2
[INFO] [stderr]    Compiling gobject-sys v0.3.2
[INFO] [stderr]    Compiling gio-sys v0.3.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.2
[INFO] [stderr]    Compiling pango-sys v0.3.2
[INFO] [stderr]    Compiling gdk-sys v0.3.2
[INFO] [stderr]    Compiling atk-sys v0.3.2
[INFO] [stderr]    Compiling gtk-sys v0.3.2
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.2/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `ser::SyncSerialize`
[INFO] [stdout] ...
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `core::fmt::Arguments<'static>`, the trait `core::marker::Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `core::fmt::ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[core::fmt::ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [core::fmt::ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `core::fmt::Arguments<'static>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog`.
[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" "07454f75ce25786efa464422be3a7f1bb83927f1ae751e778b0b7b9f6c32f8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07454f75ce25786efa464422be3a7f1bb83927f1ae751e778b0b7b9f6c32f8e7", kill_on_drop: false }`
[INFO] [stdout] 07454f75ce25786efa464422be3a7f1bb83927f1ae751e778b0b7b9f6c32f8e7