[INFO] fetching crate embedded-async-timer 0.1.0...
[INFO] checking embedded-async-timer-0.1.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate embedded-async-timer 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate embedded-async-timer 0.1.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded stm32f1 v0.9.0
[INFO] [stderr]   Downloaded stm32l4xx-hal v0.5.0
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.5.3
[INFO] [stderr]   Downloaded stm32l4 v0.8.0
[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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e82e7ca22602ea295b05881beb27a9ab5fed42c796baff062ad4d9a1ba088f
[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" "a9e82e7ca22602ea295b05881beb27a9ab5fed42c796baff062ad4d9a1ba088f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e82e7ca22602ea295b05881beb27a9ab5fed42c796baff062ad4d9a1ba088f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e82e7ca22602ea295b05881beb27a9ab5fed42c796baff062ad4d9a1ba088f", kill_on_drop: false }`
[INFO] [stdout] a9e82e7ca22602ea295b05881beb27a9ab5fed42c796baff062ad4d9a1ba088f
[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" "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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] bfa79dfdc9b5b5b07c4ddb8dd7725730d97c5134f0eb26cb693de730c102fd66
[INFO] running `Command { std: "docker" "start" "-a" "bfa79dfdc9b5b5b07c4ddb8dd7725730d97c5134f0eb26cb693de730c102fd66", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32f1 v0.9.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling cast v0.2.3
[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 30.13s
[INFO] running `Command { std: "docker" "inspect" "bfa79dfdc9b5b5b07c4ddb8dd7725730d97c5134f0eb26cb693de730c102fd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa79dfdc9b5b5b07c4ddb8dd7725730d97c5134f0eb26cb693de730c102fd66", kill_on_drop: false }`
[INFO] [stdout] bfa79dfdc9b5b5b07c4ddb8dd7725730d97c5134f0eb26cb693de730c102fd66