[INFO] cloning repository https://github.com/hlukasz/stm32_blink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hlukasz/stm32_blink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhlukasz%2Fstm32_blink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhlukasz%2Fstm32_blink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a33379868a4ffc5de00675047f3e72bf58e7b70
[INFO] checking hlukasz/stm32_blink against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhlukasz%2Fstm32_blink" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/hlukasz/stm32_blink
[INFO] finished tweaking git repo https://github.com/hlukasz/stm32_blink
[INFO] tweaked toml for git repo https://github.com/hlukasz/stm32_blink written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hlukasz/stm32_blink on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hlukasz/stm32_blink 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `stm32_blink` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc2/source/target/.../stm32_blink
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `stm32-blink`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 - name = "stm32_blink"
[INFO] [stderr] 19 + name = "stm32-blink"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `stm32-blink`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 ~ opt-level = "s"
[INFO] [stderr] 26 + [[bin]]
[INFO] [stderr] 27 + name = "stm32-blink"
[INFO] [stderr] 28 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `stm32_blink` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.10
[INFO] [stderr]   Downloaded stm32l0xx-hal v0.4.0
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.6
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded as-slice v0.1.0
[INFO] [stderr]   Downloaded shared-bus v0.1.4
[INFO] [stderr]   Downloaded aligned v0.3.1
[INFO] [stderr]   Downloaded panic-semihosting v0.5.3
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.5
[INFO] [stderr]   Downloaded cortex-m v0.6.1
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded cortex-m v0.5.10
[INFO] [stderr]   Downloaded stm32l0 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f
[INFO] running `Command { std: "docker" "start" "9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `stm32_blink` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../stm32_blink
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `stm32-blink`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 - name = "stm32_blink"
[INFO] [stderr] 19 + name = "stm32-blink"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `stm32-blink`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 ~ opt-level = "s"
[INFO] [stderr] 26 + [[bin]]
[INFO] [stderr] 27 + name = "stm32-blink"
[INFO] [stderr] 28 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `stm32_blink` (manifest) generated 1 warning
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling stm32l0 v0.8.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling stm32l0xx-hal v0.4.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]     Checking shared-bus v0.1.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.6
[INFO] [stderr]     Checking stm32_blink v0.1.0 (/opt/rustwide/workdir)
[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_semihosting` (which `stm32_blink` depends on)
[INFO] [stdout]   = note: first definition in `panic_semihosting` loaded from /opt/rustwide/target/debug/build/panic-semihosting/d51717f4ac323a79/out/libpanic_semihosting-d51717f4ac323a79.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/416264364aa47959f5827723e1d7dabc95d0744b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-453218b5e9634890.rmeta
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32_blink` (bin "stm32_blink" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32_blink` (bin "stm32_blink") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f", kill_on_drop: false }`
[INFO] [stdout] 9427407099cb90b2e078af8af7d43e304e0b8ae90ccdc2e8fe6e7505f46c330f
