[INFO] cloning repository https://github.com/lehrbaumm/rust_embeded
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lehrbaumm/rust_embeded" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flehrbaumm%2Frust_embeded", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flehrbaumm%2Frust_embeded'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f99a08f74e75d4e8b04f0897f00c2cb4c008f59
[INFO] checking lehrbaumm/rust_embeded against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flehrbaumm%2Frust_embeded" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lehrbaumm/rust_embeded on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/lehrbaumm/rust_embeded
[INFO] finished tweaking git repo https://github.com/lehrbaumm/rust_embeded
[INFO] tweaked toml for git repo https://github.com/lehrbaumm/rust_embeded written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lehrbaumm/rust_embeded already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c7442678d8e86f1ea885e63b86d99c33f1eecbe56626db3b0eb396f2713e5b
[INFO] running `Command { std: "docker" "start" "-a" "99c7442678d8e86f1ea885e63b86d99c33f1eecbe56626db3b0eb396f2713e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c7442678d8e86f1ea885e63b86d99c33f1eecbe56626db3b0eb396f2713e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c7442678d8e86f1ea885e63b86d99c33f1eecbe56626db3b0eb396f2713e5b", kill_on_drop: false }`
[INFO] [stdout] 99c7442678d8e86f1ea885e63b86d99c33f1eecbe56626db3b0eb396f2713e5b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ebc66888d6d47dff4665b1146c16782936b404e94dda5061ef09e02f48e50a1
[INFO] running `Command { std: "docker" "start" "-a" "0ebc66888d6d47dff4665b1146c16782936b404e94dda5061ef09e02f48e50a1", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.6
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32f103xx v0.10.0
[INFO] [stderr]    Compiling stm32f103xx-hal v0.1.0 (https://github.com/japaric/stm32f103xx-hal#d1bfbbf9)
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]    Compiling stm32f103xx v0.11.0 (https://github.com/japaric/stm32f103xx#bd31daa2)
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking panic-semihosting v0.3.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.3.0/src/lib.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | #![feature(panic_implementation)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `#[panic_handler]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `panic_implementation` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-semihosting-0.3.0/src/lib.rs:71:3
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[panic_implementation]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-semihosting` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0ebc66888d6d47dff4665b1146c16782936b404e94dda5061ef09e02f48e50a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebc66888d6d47dff4665b1146c16782936b404e94dda5061ef09e02f48e50a1", kill_on_drop: false }`
[INFO] [stdout] 0ebc66888d6d47dff4665b1146c16782936b404e94dda5061ef09e02f48e50a1