[INFO] cloning repository https://github.com/yashwanthsinghm/BMP280_stm32f411
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yashwanthsinghm/BMP280_stm32f411" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyashwanthsinghm%2FBMP280_stm32f411", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyashwanthsinghm%2FBMP280_stm32f411'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 396392d01c0df978203001224f0e854df1e84833
[INFO] checking yashwanthsinghm/BMP280_stm32f411 against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyashwanthsinghm%2FBMP280_stm32f411" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yashwanthsinghm/BMP280_stm32f411 on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/yashwanthsinghm/BMP280_stm32f411
[INFO] finished tweaking git repo https://github.com/yashwanthsinghm/BMP280_stm32f411
[INFO] tweaked toml for git repo https://github.com/yashwanthsinghm/BMP280_stm32f411 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yashwanthsinghm/BMP280_stm32f411 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bmp280-driver v0.0.7
[INFO] [stderr]   Downloaded bmp280-ehal v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1520ad2f0231bd88af81dc1ad488dfa899782c4fdefe89a6029c43ea1467c04
[INFO] running `Command { std: "docker" "start" "-a" "d1520ad2f0231bd88af81dc1ad488dfa899782c4fdefe89a6029c43ea1467c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1520ad2f0231bd88af81dc1ad488dfa899782c4fdefe89a6029c43ea1467c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1520ad2f0231bd88af81dc1ad488dfa899782c4fdefe89a6029c43ea1467c04", kill_on_drop: false }`
[INFO] [stdout] d1520ad2f0231bd88af81dc1ad488dfa899782c4fdefe89a6029c43ea1467c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ced2274693d85d4536f17ca9b293b4993eca17d5c47d5ae6bfdd118ae7f17d4
[INFO] running `Command { std: "docker" "start" "-a" "3ced2274693d85d4536f17ca9b293b4993eca17d5c47d5ae6bfdd118ae7f17d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cortex-m v0.7.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling defmt v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling defmt-macros v0.3.2
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]    Compiling stm32f4 v0.14.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking gcd v2.2.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fugit v0.3.6
[INFO] [stderr]    Compiling defmt-rtt v0.3.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling panic-probe v0.3.1
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.7
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking crc-catalog v2.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]    Compiling flashtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crc v3.0.0
[INFO] [stderr]     Checking bmp280-driver v0.0.7
[INFO] [stderr]     Checking bmp280-ehal v0.0.6
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]     Checking stm32f4xx-hal v0.13.2
[INFO] [stdout] error[E0152]: duplicate lang item in crate `panic_halt` (which `i2c_scanning` depends on): `panic_impl`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `std` (which `critical_section` depends on)
[INFO] [stdout]   = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/96cfc75584359ae7ad11cc45968059f29e7b44b7/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-31a7210d4f21abbb.rlib
[INFO] [stdout]   = note: second definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-b09f8ab056e64272.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 `flashtest` (example "i2c_scanning") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3ced2274693d85d4536f17ca9b293b4993eca17d5c47d5ae6bfdd118ae7f17d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ced2274693d85d4536f17ca9b293b4993eca17d5c47d5ae6bfdd118ae7f17d4", kill_on_drop: false }`
[INFO] [stdout] 3ced2274693d85d4536f17ca9b293b4993eca17d5c47d5ae6bfdd118ae7f17d4