[INFO] fetching crate px4flow_bsp 0.1.5...
[INFO] checking px4flow_bsp-0.1.5 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate px4flow_bsp 0.1.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate px4flow_bsp 0.1.5 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking crates.io crate px4flow_bsp 0.1.5
[INFO] finished tweaking crates.io crate px4flow_bsp 0.1.5
[INFO] tweaked toml for crates.io crate px4flow_bsp 0.1.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate px4flow_bsp 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shared-bus v0.1.4
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.8.3
[INFO] [stderr]   Downloaded mt9v034-i2c v0.1.5
[INFO] [stderr]   Downloaded stm32f4 v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1871c024e455c94a7b0ccc0ccab9d8371a81311eaa99b58bfcde143a875d16fe
[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" "1871c024e455c94a7b0ccc0ccab9d8371a81311eaa99b58bfcde143a875d16fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1871c024e455c94a7b0ccc0ccab9d8371a81311eaa99b58bfcde143a875d16fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1871c024e455c94a7b0ccc0ccab9d8371a81311eaa99b58bfcde143a875d16fe", kill_on_drop: false }`
[INFO] [stdout] 1871c024e455c94a7b0ccc0ccab9d8371a81311eaa99b58bfcde143a875d16fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b33c6311bd8e2d1efd85a28b273169fee2d898c23adf6f3a468b044d60327fff
[INFO] running `Command { std: "docker" "start" "-a" "b33c6311bd8e2d1efd85a28b273169fee2d898c23adf6f3a468b044d60327fff", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling px4flow_bsp v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking eeprom24x v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking l3gd20 v0.2.0
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking rtt-target v0.1.1
[INFO] [stderr]     Checking shared-bus v0.1.4
[INFO] [stderr]     Checking panic-rtt-core v0.1.1
[INFO] [stderr]     Checking mt9v034-i2c v0.1.5
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f4xx-hal v0.8.3
[INFO] [stdout] error: 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_rtt_core` (which `mt9v034_i2c` depends on)
[INFO] [stdout]   = note: first definition in `panic_rtt_core` loaded from /opt/rustwide/target/debug/deps/libpanic_rtt_core-1d65312da86c6b85.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f6e2f78768c57172b99c3e85892f867894dc7e30/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-afd4b9aba051f3ad.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `px4flow_bsp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b33c6311bd8e2d1efd85a28b273169fee2d898c23adf6f3a468b044d60327fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33c6311bd8e2d1efd85a28b273169fee2d898c23adf6f3a468b044d60327fff", kill_on_drop: false }`
[INFO] [stdout] b33c6311bd8e2d1efd85a28b273169fee2d898c23adf6f3a468b044d60327fff