[INFO] fetching crate embedded-async-timer 0.1.0...
[INFO] checking embedded-async-timer-0.1.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate embedded-async-timer 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate embedded-async-timer 0.1.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-async-timer 0.1.0
[INFO] finished tweaking crates.io crate embedded-async-timer 0.1.0
[INFO] tweaked toml for crates.io crate embedded-async-timer 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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" "+da897dfb6daa268a965d2d73620316ba56020a19" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] bba48dd1f92625962a4c2500f33905e9b9bb5ffa766cfb20b6a87161b33d5e55
[INFO] running `Command { std: "docker" "start" "-a" "bba48dd1f92625962a4c2500f33905e9b9bb5ffa766cfb20b6a87161b33d5e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba48dd1f92625962a4c2500f33905e9b9bb5ffa766cfb20b6a87161b33d5e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba48dd1f92625962a4c2500f33905e9b9bb5ffa766cfb20b6a87161b33d5e55", kill_on_drop: false }`
[INFO] [stdout] bba48dd1f92625962a4c2500f33905e9b9bb5ffa766cfb20b6a87161b33d5e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 740ee956624e021b59e63cbf6b2ea2a89b3dbe02121e87a7044ee1551782b763
[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" "740ee956624e021b59e63cbf6b2ea2a89b3dbe02121e87a7044ee1551782b763", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling stm32f1 v0.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking cortex-m v0.6.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f1xx-hal v0.5.3
[INFO] [stderr]     Checking embedded-async-timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Ordering`, `self`
[INFO] [stdout]  --> src/impls/stm32f103_rtc.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::sync::atomic::{self, Ordering};
[INFO] [stdout]   |                          ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ordering`, `self`
[INFO] [stdout]  --> src/impls/stm32f103_rtc.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::sync::atomic::{self, Ordering};
[INFO] [stdout]   |                          ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.29s
[INFO] running `Command { std: "docker" "inspect" "740ee956624e021b59e63cbf6b2ea2a89b3dbe02121e87a7044ee1551782b763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740ee956624e021b59e63cbf6b2ea2a89b3dbe02121e87a7044ee1551782b763", kill_on_drop: false }`
[INFO] [stdout] 740ee956624e021b59e63cbf6b2ea2a89b3dbe02121e87a7044ee1551782b763