[INFO] cloning repository https://github.com/codeandbacon/rust-stm32f411
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeandbacon/rust-stm32f411" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandbacon%2Frust-stm32f411", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandbacon%2Frust-stm32f411'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a0ceddb278af4d783b26da596264c3b54c0492d
[INFO] testing codeandbacon/rust-stm32f411 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandbacon%2Frust-stm32f411" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codeandbacon/rust-stm32f411 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/codeandbacon/rust-stm32f411
[INFO] finished tweaking git repo https://github.com/codeandbacon/rust-stm32f411
[INFO] tweaked toml for git repo https://github.com/codeandbacon/rust-stm32f411 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/codeandbacon/rust-stm32f411 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e03bea24eb5bfa7dbdc201e87526de33c82afc715ce489edab5882875c5f0ef
[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" "2e03bea24eb5bfa7dbdc201e87526de33c82afc715ce489edab5882875c5f0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e03bea24eb5bfa7dbdc201e87526de33c82afc715ce489edab5882875c5f0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e03bea24eb5bfa7dbdc201e87526de33c82afc715ce489edab5882875c5f0ef", kill_on_drop: false }`
[INFO] [stdout] 2e03bea24eb5bfa7dbdc201e87526de33c82afc715ce489edab5882875c5f0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39147210d6fe57a929210b7e9c2882bde190e3d742721724f54b7a0ffdd724c5
[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" "39147210d6fe57a929210b7e9c2882bde190e3d742721724f54b7a0ffdd724c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling stm32f4xx-hal v0.8.3
[INFO] [stderr]    Compiling rust-stm32f411 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cortex_m`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use cortex_m;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `prelude::*`, `stm32`
[INFO] [stdout]   --> src/main.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::stm32f4xx_hal::{prelude::*, stm32};
[INFO] [stdout]    |                            ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-stm32f411` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "39147210d6fe57a929210b7e9c2882bde190e3d742721724f54b7a0ffdd724c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39147210d6fe57a929210b7e9c2882bde190e3d742721724f54b7a0ffdd724c5", kill_on_drop: false }`
[INFO] [stdout] 39147210d6fe57a929210b7e9c2882bde190e3d742721724f54b7a0ffdd724c5