[INFO] fetching crate gd32vf103-hal 0.0.5...
[INFO] checking gd32vf103-hal-0.0.5 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate gd32vf103-hal 0.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gd32vf103-hal 0.0.5 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2831d2fb06bfec334df0055b58b2eeb1d57ef31f67fd347469d5e40bf1ed7c1c
[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" "2831d2fb06bfec334df0055b58b2eeb1d57ef31f67fd347469d5e40bf1ed7c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2831d2fb06bfec334df0055b58b2eeb1d57ef31f67fd347469d5e40bf1ed7c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2831d2fb06bfec334df0055b58b2eeb1d57ef31f67fd347469d5e40bf1ed7c1c", kill_on_drop: false }`
[INFO] [stdout] 2831d2fb06bfec334df0055b58b2eeb1d57ef31f67fd347469d5e40bf1ed7c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab1849e307a08f7548578b5d06eadbcd8ffcf6537e2a73635eec70ad6eddca1
[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" "eab1849e307a08f7548578b5d06eadbcd8ffcf6537e2a73635eec70ad6eddca1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling gd32vf103-hal v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[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 26.66s
[INFO] running `Command { std: "docker" "inspect" "eab1849e307a08f7548578b5d06eadbcd8ffcf6537e2a73635eec70ad6eddca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab1849e307a08f7548578b5d06eadbcd8ffcf6537e2a73635eec70ad6eddca1", kill_on_drop: false }`
[INFO] [stdout] eab1849e307a08f7548578b5d06eadbcd8ffcf6537e2a73635eec70ad6eddca1