[INFO] fetching crate neobirth 0.1.1...
[INFO] checking neobirth-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate neobirth 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate neobirth 0.1.1
[INFO] finished tweaking crates.io crate neobirth 0.1.1
[INFO] tweaked toml for crates.io crate neobirth 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neobirth 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding panic-halt v0.2.0 (available: v1.0.0)
[INFO] [stderr]       Adding smart-leds v0.1.0 (available: v0.4.0)
[INFO] [stderr]       Adding trellis_m4 v0.1.2 (available: v0.10.1)
[INFO] [stderr]       Adding ws2812-timer-delay v0.1.0 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce8407c6e491d08bdabdd6b0753b8b0e8fa495dfa17911175110c5cd5411dfe
[INFO] running `Command { std: "docker" "start" "-a" "7ce8407c6e491d08bdabdd6b0753b8b0e8fa495dfa17911175110c5cd5411dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce8407c6e491d08bdabdd6b0753b8b0e8fa495dfa17911175110c5cd5411dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce8407c6e491d08bdabdd6b0753b8b0e8fa495dfa17911175110c5cd5411dfe", kill_on_drop: false }`
[INFO] [stdout] 7ce8407c6e491d08bdabdd6b0753b8b0e8fa495dfa17911175110c5cd5411dfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 298ff249d9e4e849263d87d45d5cfe918b69ea15b3181012072cc04190b41893
[INFO] running `Command { std: "docker" "start" "-a" "298ff249d9e4e849263d87d45d5cfe918b69ea15b3181012072cc04190b41893", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling atsamd51g19a v0.4.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling trellis_m4 v0.1.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking smart-leds-trait v0.1.1
[INFO] [stderr]     Checking smart-leds v0.1.0
[INFO] [stderr]     Checking ws2812-timer-delay v0.1.0
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]     Checking purezen v0.0.2
[INFO] [stderr]     Checking atsamd-hal v0.4.1
[INFO] [stderr]     Checking neobirth v0.1.1 (/opt/rustwide/workdir)
[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 `neobirth` (bin "neobirth") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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_halt` (which `neobirth` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-5b568ee2c7440569.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9fbdd90241d2d923.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neobirth` (bin "neobirth" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "298ff249d9e4e849263d87d45d5cfe918b69ea15b3181012072cc04190b41893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298ff249d9e4e849263d87d45d5cfe918b69ea15b3181012072cc04190b41893", kill_on_drop: false }`
[INFO] [stdout] 298ff249d9e4e849263d87d45d5cfe918b69ea15b3181012072cc04190b41893