[INFO] cloning repository https://github.com/ryanplusplus/blue-pill.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanplusplus/blue-pill.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanplusplus%2Fblue-pill.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanplusplus%2Fblue-pill.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a17f1201bf4bc5b362096341a1e99f742800e46
[INFO] checking ryanplusplus/blue-pill.rs against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanplusplus%2Fblue-pill.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanplusplus/blue-pill.rs on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ryanplusplus/blue-pill.rs
[INFO] finished tweaking git repo https://github.com/ryanplusplus/blue-pill.rs
[INFO] tweaked toml for git repo https://github.com/ryanplusplus/blue-pill.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanplusplus/blue-pill.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7717b1526ea3882b1a735a01221124c941a236d32aa4c572b4c71b80c54e976
[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" "e7717b1526ea3882b1a735a01221124c941a236d32aa4c572b4c71b80c54e976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7717b1526ea3882b1a735a01221124c941a236d32aa4c572b4c71b80c54e976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7717b1526ea3882b1a735a01221124c941a236d32aa4c572b4c71b80c54e976", kill_on_drop: false }`
[INFO] [stdout] e7717b1526ea3882b1a735a01221124c941a236d32aa4c572b4c71b80c54e976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35255fc7d0aa82aada0008bb86eaa17854c04bfa6de69e772f134752dd87b31a
[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" "35255fc7d0aa82aada0008bb86eaa17854c04bfa6de69e772f134752dd87b31a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]     Checking cortex-m-semihosting v0.3.3
[INFO] [stderr]     Checking panic-semihosting v0.5.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]     Checking stm32f1 v0.6.0
[INFO] [stderr]     Checking stm32f1xx-hal v0.2.0
[INFO] [stderr]     Checking blue-pill v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blue-pill`
[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] [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_semihosting` (which `blue_pill` depends on)
[INFO] [stdout]   = note: first definition in `panic_semihosting` loaded from /opt/rustwide/target/debug/deps/libpanic_semihosting-20ff4a1e1e3a359c.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/31ee872db5aae4750e3da1ca4ed1523c4356947f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7edd956e9d8d05ea.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "35255fc7d0aa82aada0008bb86eaa17854c04bfa6de69e772f134752dd87b31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35255fc7d0aa82aada0008bb86eaa17854c04bfa6de69e772f134752dd87b31a", kill_on_drop: false }`
[INFO] [stdout] 35255fc7d0aa82aada0008bb86eaa17854c04bfa6de69e772f134752dd87b31a