[INFO] fetching crate ssd1351 0.2.2...
[INFO] documenting ssd1351-0.2.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ssd1351 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ssd1351 0.2.2 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] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate ssd1351 0.2.2
[INFO] finished tweaking crates.io crate ssd1351 0.2.2
[INFO] tweaked toml for crates.io crate ssd1351 0.2.2 written to /workspace/builds/worker-4/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] 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 tinytga v0.1.0
[INFO] [stderr]   Downloaded cortex-m v0.5.10
[INFO] [stderr]   Downloaded embedded-graphics v0.4.9
[INFO] [stderr]   Downloaded heapless v0.4.4
[INFO] [stderr]   Downloaded tinybmp v0.1.1
[INFO] [stderr]   Downloaded stm32l4xx-hal v0.3.6
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded stm32l4 v0.6.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc597f8e013f8851321cbb2e5aad2c6b457ff04148a81b7ec3f7d4fca5462996
[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" "fc597f8e013f8851321cbb2e5aad2c6b457ff04148a81b7ec3f7d4fca5462996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc597f8e013f8851321cbb2e5aad2c6b457ff04148a81b7ec3f7d4fca5462996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc597f8e013f8851321cbb2e5aad2c6b457ff04148a81b7ec3f7d4fca5462996", kill_on_drop: false }`
[INFO] [stdout] fc597f8e013f8851321cbb2e5aad2c6b457ff04148a81b7ec3f7d4fca5462996
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b349582bcbc4d2f1693cc8104889f1593ab1bb808d1fcfae81453d72f7443284
[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" "b349582bcbc4d2f1693cc8104889f1593ab1bb808d1fcfae81453d72f7443284", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking tinytga v0.1.0
[INFO] [stderr]     Checking tinybmp v0.1.1
[INFO] [stderr]     Checking embedded-graphics v0.4.9
[INFO] [stderr]  Documenting ssd1351 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mode/raw.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn release(self) -> (Display<DI>) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "b349582bcbc4d2f1693cc8104889f1593ab1bb808d1fcfae81453d72f7443284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b349582bcbc4d2f1693cc8104889f1593ab1bb808d1fcfae81453d72f7443284", kill_on_drop: false }`
[INFO] [stdout] b349582bcbc4d2f1693cc8104889f1593ab1bb808d1fcfae81453d72f7443284