[INFO] fetching crate tfmicro 0.1.0...
[INFO] documenting tfmicro-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tfmicro 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tfmicro 0.1.0 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 crates.io crate tfmicro 0.1.0
[INFO] finished tweaking crates.io crate tfmicro 0.1.0
[INFO] tweaked toml for crates.io crate tfmicro 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cty v0.2.1
[INFO] [stderr]   Downloaded managed v0.7.2
[INFO] [stderr]   Downloaded cpp_macros v0.5.5
[INFO] [stderr]   Downloaded cpp v0.5.5
[INFO] [stderr]   Downloaded cpp_build v0.5.5
[INFO] [stderr]   Downloaded cpp_common v0.5.5
[INFO] [stderr]   Downloaded if_rust_version v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ec7c8371ad15da949050ba22a1fdb4a7694a31d149c0d52a8d34d4d7d03dff51
[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" "ec7c8371ad15da949050ba22a1fdb4a7694a31d149c0d52a8d34d4d7d03dff51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec7c8371ad15da949050ba22a1fdb4a7694a31d149c0d52a8d34d4d7d03dff51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7c8371ad15da949050ba22a1fdb4a7694a31d149c0d52a8d34d4d7d03dff51", kill_on_drop: false }`
[INFO] [stdout] ec7c8371ad15da949050ba22a1fdb4a7694a31d149c0d52a8d34d4d7d03dff51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 88a957b153275cb415f21cd993d1d2e333d3a69cabc5a06bd2961825404d987b
[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" "88a957b153275cb415f21cd993d1d2e333d3a69cabc5a06bd2961825404d987b", kill_on_drop: false }`
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking managed v0.7.2
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]    Compiling cpp_common v0.5.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling cpp_build v0.5.5
[INFO] [stderr]    Compiling cpp_macros v0.5.5
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]     Checking cpp v0.5.5
[INFO] [stderr]    Compiling tfmicro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0063]: missing field `content_only` in initializer of `fs_extra::dir::CopyOptions`
[INFO] [stdout]   --> build.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let copy_dir = fs_extra::dir::CopyOptions {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `content_only`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tfmicro`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "88a957b153275cb415f21cd993d1d2e333d3a69cabc5a06bd2961825404d987b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a957b153275cb415f21cd993d1d2e333d3a69cabc5a06bd2961825404d987b", kill_on_drop: false }`
[INFO] [stdout] 88a957b153275cb415f21cd993d1d2e333d3a69cabc5a06bd2961825404d987b