[INFO] fetching crate hd44780_test 0.1.0...
[INFO] documenting hd44780_test-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate hd44780_test 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hd44780_test 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hd44780_test 0.1.0
[INFO] finished tweaking crates.io crate hd44780_test 0.1.0
[INFO] tweaked toml for crates.io crate hd44780_test 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5102dafdaa473d1722736a7965abc73c432142442eaba564eb58b485a1395db
[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" "c5102dafdaa473d1722736a7965abc73c432142442eaba564eb58b485a1395db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5102dafdaa473d1722736a7965abc73c432142442eaba564eb58b485a1395db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5102dafdaa473d1722736a7965abc73c432142442eaba564eb58b485a1395db", kill_on_drop: false }`
[INFO] [stdout] c5102dafdaa473d1722736a7965abc73c432142442eaba564eb58b485a1395db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a333fadd8f3f5f04eae47211957d9b97e74d72026b638cef8138f953456b38a
[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" "9a333fadd8f3f5f04eae47211957d9b97e74d72026b638cef8138f953456b38a", kill_on_drop: false }`
[INFO] [stderr]     Checking hd44780_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting hd44780_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/core.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(self.host.init());
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.rs = Some(try!(fso.open("/sys/class/gpio/gpio7/value")));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.enable = Some(try!(fso.open("/sys/class/gpio/gpio8/value")));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.data4 = Some(try!(fso.open("/sys/class/gpio/gpio25/value")));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 |         self.data5 = Some(try!(fso.open("/sys/class/gpio/gpio24/value")));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |         self.data6 = Some(try!(fso.open("/sys/class/gpio/gpio23/value")));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         self.data7 = Some(try!(fso.open("/sys/class/gpio/gpio18/value")));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     host: Box<HD44780Host>
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn HD44780Host`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(h: Box<HD44780Host>) -> HD44780 {
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn HD44780Host`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "9a333fadd8f3f5f04eae47211957d9b97e74d72026b638cef8138f953456b38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a333fadd8f3f5f04eae47211957d9b97e74d72026b638cef8138f953456b38a", kill_on_drop: false }`
[INFO] [stdout] 9a333fadd8f3f5f04eae47211957d9b97e74d72026b638cef8138f953456b38a