[INFO] fetching crate gd32vf103-hal 0.0.5...
[INFO] checking gd32vf103-hal-0.0.5 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate gd32vf103-hal 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gd32vf103-hal 0.0.5 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gd32vf103-hal 0.0.5
[INFO] finished tweaking crates.io crate gd32vf103-hal 0.0.5
[INFO] tweaked toml for crates.io crate gd32vf103-hal 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv v0.5.4
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.1
[INFO] [stderr]   Downloaded gd32vf103-pac v0.2.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8e3351564d5a28f4842fc67c8cab22d26e8dd460b7e0708deb4bb3ab5fb005e
[INFO] running `Command { std: "docker" "start" "-a" "d8e3351564d5a28f4842fc67c8cab22d26e8dd460b7e0708deb4bb3ab5fb005e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8e3351564d5a28f4842fc67c8cab22d26e8dd460b7e0708deb4bb3ab5fb005e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e3351564d5a28f4842fc67c8cab22d26e8dd460b7e0708deb4bb3ab5fb005e", kill_on_drop: false }`
[INFO] [stdout] d8e3351564d5a28f4842fc67c8cab22d26e8dd460b7e0708deb4bb3ab5fb005e
[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" "RUSTFLAGS=--cap-lints=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02c4f7bd6a0e9b9356c74ff6bc3949afc38b73a7746c96a2d692fc348daff349
[INFO] running `Command { std: "docker" "start" "-a" "02c4f7bd6a0e9b9356c74ff6bc3949afc38b73a7746c96a2d692fc348daff349", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling gd32vf103-hal v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.1
[INFO] [stderr]     Checking gd32vf103-pac v0.2.0
[INFO] [stdout] warning: unused import: `bkp`
[INFO] [stdout]  --> src/backup.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::pac::{bkp, BKP, PMU};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cfg1`
[INFO] [stdout]    --> src/rcu.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub(crate) fn cfg1(&mut self) -> &rcu::CFG1 {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bdctl`
[INFO] [stdout]    --> src/rcu.rs:510:19
[INFO] [stdout]     |
[INFO] [stdout] 510 |     pub(crate) fn bdctl(&mut self) -> &rcu::BDCTL {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wwdgt`
[INFO] [stdout]    --> src/wdog.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     wwdgt: WWDGT,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.32s
[INFO] running `Command { std: "docker" "inspect" "02c4f7bd6a0e9b9356c74ff6bc3949afc38b73a7746c96a2d692fc348daff349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c4f7bd6a0e9b9356c74ff6bc3949afc38b73a7746c96a2d692fc348daff349", kill_on_drop: false }`
[INFO] [stdout] 02c4f7bd6a0e9b9356c74ff6bc3949afc38b73a7746c96a2d692fc348daff349