[INFO] cloning repository https://github.com/yuanyuan2100/Arduino-Uno-Themometer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuanyuan2100/Arduino-Uno-Themometer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanyuan2100%2FArduino-Uno-Themometer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanyuan2100%2FArduino-Uno-Themometer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3892f2c6b19152e4b03f3e05539eab1a3fdfe2f
[INFO] testing yuanyuan2100/Arduino-Uno-Themometer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanyuan2100%2FArduino-Uno-Themometer" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuanyuan2100/Arduino-Uno-Themometer on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuanyuan2100/Arduino-Uno-Themometer
[INFO] finished tweaking git repo https://github.com/yuanyuan2100/Arduino-Uno-Themometer
[INFO] tweaked toml for git repo https://github.com/yuanyuan2100/Arduino-Uno-Themometer written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/yuanyuan2100/avr-hal.git`
[INFO] [stderr]     Updating git repository `https://github.com/JohnDoneth/hd44780-driver`
[INFO] [stderr]     Updating git repository `https://github.com/yuanyuan2100/heapless.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numtoa v0.2.3
[INFO] [stderr]   Downloaded ufmt-macros v0.1.1
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded as-slice v0.1.4
[INFO] [stderr]   Downloaded avr-device v0.2.3
[INFO] [stderr]   Downloaded avr-device-macros v0.2.3
[INFO] [stderr]   Downloaded ufmt v0.1.0
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc7619108916d107b4159f03225330f4befac08dcf8e4e13af173edcce7a2bc8
[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" "fc7619108916d107b4159f03225330f4befac08dcf8e4e13af173edcce7a2bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc7619108916d107b4159f03225330f4befac08dcf8e4e13af173edcce7a2bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7619108916d107b4159f03225330f4befac08dcf8e4e13af173edcce7a2bc8", kill_on_drop: false }`
[INFO] [stdout] fc7619108916d107b4159f03225330f4befac08dcf8e4e13af173edcce7a2bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f9dbf5a42c6f4a9e8a4d0b99ba3855b77192c0069bb8f03e4503239d5a3328
[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" "24f9dbf5a42c6f4a9e8a4d0b99ba3855b77192c0069bb8f03e4503239d5a3328", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling heapless v0.5.6 (https://github.com/yuanyuan2100/heapless.git?rev=82f658ee1ea8c984b4f2d38c904d0f277daf5f2d#82f658ee)
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `avr-atmega328p-5001517248381757569` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `avr-atmega328p-5001517248381757569` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ufmt-write`
[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[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `avr-atmega328p-5001517248381757569` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `avr-atmega328p-5001517248381757569` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `avr-atmega328p-5001517248381757569` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `core`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `avr-atmega328p-5001517248381757569` target may not be installed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "24f9dbf5a42c6f4a9e8a4d0b99ba3855b77192c0069bb8f03e4503239d5a3328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f9dbf5a42c6f4a9e8a4d0b99ba3855b77192c0069bb8f03e4503239d5a3328", kill_on_drop: false }`
[INFO] [stdout] 24f9dbf5a42c6f4a9e8a4d0b99ba3855b77192c0069bb8f03e4503239d5a3328