[INFO] cloning repository https://github.com/rt4bc/embedded-rust-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rt4bc/embedded-rust-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frt4bc%2Fembedded-rust-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frt4bc%2Fembedded-rust-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89ebcfe729901b0289a9537122178a62e4357639
[INFO] checking rt4bc/embedded-rust-template against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frt4bc%2Fembedded-rust-template" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rt4bc/embedded-rust-template on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/rt4bc/embedded-rust-template
[INFO] finished tweaking git repo https://github.com/rt4bc/embedded-rust-template
[INFO] tweaked toml for git repo https://github.com/rt4bc/embedded-rust-template written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rt4bc/embedded-rust-template already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.21.0
[INFO] [stderr]   Downloaded stm32f4 v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c849817c6da1d0cf1c0e9338722ae7b5d6c15ae433499d694346378b31579177
[INFO] running `Command { std: "docker" "start" "-a" "c849817c6da1d0cf1c0e9338722ae7b5d6c15ae433499d694346378b31579177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c849817c6da1d0cf1c0e9338722ae7b5d6c15ae433499d694346378b31579177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c849817c6da1d0cf1c0e9338722ae7b5d6c15ae433499d694346378b31579177", kill_on_drop: false }`
[INFO] [stdout] c849817c6da1d0cf1c0e9338722ae7b5d6c15ae433499d694346378b31579177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fcd47b72986e7c17d2d8432a23041dffdaf58f75a5b867c3086bf9a433380bf
[INFO] running `Command { std: "docker" "start" "-a" "6fcd47b72986e7c17d2d8432a23041dffdaf58f75a5b867c3086bf9a433380bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling stm32f4 v0.15.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling stm32f4xx-hal v0.21.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling enumflags2_derive v0.7.10
[INFO] [stderr]     Checking enumflags2 v0.7.10
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking embedded-rust-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `clocks`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let clocks = rcc.cfgr.use_hse(8.MHz()).sysclk(180.MHz()).freeze();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_clocks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_halt` (which `embedded_rust_template` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-9c5a9174c7d31cdc.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1f308f12738d8cc40bb23bf0c8114b37c164bb49/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5024342751ec4fae.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-rust-template` (bin "embedded-rust-template" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6fcd47b72986e7c17d2d8432a23041dffdaf58f75a5b867c3086bf9a433380bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcd47b72986e7c17d2d8432a23041dffdaf58f75a5b867c3086bf9a433380bf", kill_on_drop: false }`
[INFO] [stdout] 6fcd47b72986e7c17d2d8432a23041dffdaf58f75a5b867c3086bf9a433380bf