[INFO] fetching crate neobirth 0.1.1...
[INFO] checking neobirth-0.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate neobirth 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate neobirth 0.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded cortex-m v0.5.11
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded ws2812-timer-delay v0.1.0
[INFO] [stderr]   Downloaded generic-array v0.11.2
[INFO] [stderr]   Downloaded heapless v0.4.4
[INFO] [stderr]   Downloaded smart-leds-trait v0.1.1
[INFO] [stderr]   Downloaded atsamd-hal v0.4.1
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded trellis_m4 v0.1.2
[INFO] [stderr]   Downloaded purezen v0.0.2
[INFO] [stderr]   Downloaded smart-leds v0.1.0
[INFO] [stderr]   Downloaded atsamd51g19a v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21cfe2f0b9e7669e7c232d8345cc7a6b9708ba37c5e751522f8b23b17c5aaaf9
[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" "21cfe2f0b9e7669e7c232d8345cc7a6b9708ba37c5e751522f8b23b17c5aaaf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21cfe2f0b9e7669e7c232d8345cc7a6b9708ba37c5e751522f8b23b17c5aaaf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cfe2f0b9e7669e7c232d8345cc7a6b9708ba37c5e751522f8b23b17c5aaaf9", kill_on_drop: false }`
[INFO] [stdout] 21cfe2f0b9e7669e7c232d8345cc7a6b9708ba37c5e751522f8b23b17c5aaaf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac24b86c80ae6b8486667ba873d0d3bd55c1c4c156a7465d2f02283611e28b8
[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" "2ac24b86c80ae6b8486667ba873d0d3bd55c1c4c156a7465d2f02283611e28b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling atsamd51g19a v0.4.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]     Checking byteorder v1.4.3
[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 volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking typenum v1.13.0
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking smart-leds-trait v0.1.1
[INFO] [stderr]     Checking ws2812-timer-delay v0.1.0
[INFO] [stderr]     Checking smart-leds v0.1.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[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: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[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_halt` (which `neobirth` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-c146e18e710f8a12.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-61556e43b375c2c0.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neobirth`
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2ac24b86c80ae6b8486667ba873d0d3bd55c1c4c156a7465d2f02283611e28b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac24b86c80ae6b8486667ba873d0d3bd55c1c4c156a7465d2f02283611e28b8", kill_on_drop: false }`
[INFO] [stdout] 2ac24b86c80ae6b8486667ba873d0d3bd55c1c4c156a7465d2f02283611e28b8