[INFO] fetching crate mwatch-sdk 0.5.0...
[INFO] checking mwatch-sdk-0.5.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate mwatch-sdk 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mwatch-sdk 0.5.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate mwatch-sdk 0.5.0
[INFO] finished tweaking crates.io crate mwatch-sdk 0.5.0
[INFO] tweaked toml for crates.io crate mwatch-sdk 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mwatch-sdk 0.5.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v0.11.2
[INFO] [stderr]   Downloaded ssd1351 v0.3.0
[INFO] [stderr]   Downloaded mwatch_kernel v2.0.0
[INFO] [stderr]   Downloaded heapless v0.4.4
[INFO] [stderr]   Downloaded simple-hex v0.1.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded embedded-graphics v0.6.2
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3cfed2c955d3bcf44a29d49ee9676bd8b37bcbd4047f6f414d7ea0d898905d8
[INFO] running `Command { std: "docker" "start" "-a" "c3cfed2c955d3bcf44a29d49ee9676bd8b37bcbd4047f6f414d7ea0d898905d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3cfed2c955d3bcf44a29d49ee9676bd8b37bcbd4047f6f414d7ea0d898905d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cfed2c955d3bcf44a29d49ee9676bd8b37bcbd4047f6f414d7ea0d898905d8", kill_on_drop: false }`
[INFO] [stdout] c3cfed2c955d3bcf44a29d49ee9676bd8b37bcbd4047f6f414d7ea0d898905d8
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e2c11173132f0743136e5534a42e4ea976aefbe92a04a00eb9034320c1b4e4e
[INFO] running `Command { std: "docker" "start" "-a" "7e2c11173132f0743136e5534a42e4ea976aefbe92a04a00eb9034320c1b4e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]    Compiling mwatch-sdk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking simple-hex v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking embedded-graphics v0.6.2
[INFO] [stderr]     Checking ssd1351 v0.3.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]     Checking mwatch_kernel v2.0.0
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/lib.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 147 | |     UserSpace {
[INFO] [stdout] 148 | |         logger: Logger::new(),
[INFO] [stdout] 149 | |     }
[INFO] [stdout] ...   |
[INFO] [stdout] 155 | |     }
[INFO] [stdout] 156 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]     = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/506512391b1a75ae450d36c9420978402a91abcc/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6701759d8343e913.rlib
[INFO] [stdout]     = note: second definition in the local crate (`mwatch_sdk`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mwatch-sdk` (lib test) due to 2 previous errors
[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] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 `mwatch-sdk` (example "panic") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mwatch-sdk` (example "hello") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7e2c11173132f0743136e5534a42e4ea976aefbe92a04a00eb9034320c1b4e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2c11173132f0743136e5534a42e4ea976aefbe92a04a00eb9034320c1b4e4e", kill_on_drop: false }`
[INFO] [stdout] 7e2c11173132f0743136e5534a42e4ea976aefbe92a04a00eb9034320c1b4e4e