[INFO] cloning repository https://github.com/mohankumargupta/opt4048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohankumargupta/opt4048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohankumargupta%2Fopt4048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohankumargupta%2Fopt4048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7197ad8ad971858a69fb2529bd4a0c2aa2fe0d8
[INFO] building mohankumargupta/opt4048 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohankumargupta%2Fopt4048" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mohankumargupta/opt4048 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mohankumargupta/opt4048
[INFO] finished tweaking git repo https://github.com/mohankumargupta/opt4048
[INFO] tweaked toml for git repo https://github.com/mohankumargupta/opt4048 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mohankumargupta/opt4048 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/li/nu/linux-embedded-hal, error: No space left on device (os error 28)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gpio-cdev v0.6.0
[INFO] [stderr]   Downloaded spidev v0.6.0
[INFO] [stderr]   Downloaded i2cdev v0.6.0
[INFO] [stderr]   Downloaded sysfs_gpio v0.6.1
[INFO] [stderr]   Downloaded linux-embedded-hal v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f803a747af2ccaebd36a1fdaae71dc445219eb7989c4a140bc8c4e34b380c25
[INFO] running `Command { std: "docker" "start" "-a" "0f803a747af2ccaebd36a1fdaae71dc445219eb7989c4a140bc8c4e34b380c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f803a747af2ccaebd36a1fdaae71dc445219eb7989c4a140bc8c4e34b380c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f803a747af2ccaebd36a1fdaae71dc445219eb7989c4a140bc8c4e34b380c25", kill_on_drop: false }`
[INFO] [stdout] 0f803a747af2ccaebd36a1fdaae71dc445219eb7989c4a140bc8c4e34b380c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 909689629d3f7848123c318c8c9c7dcd976a6cabf32c338e6f4e5013c43d4601
[INFO] running `Command { std: "docker" "start" "-a" "909689629d3f7848123c318c8c9c7dcd976a6cabf32c338e6f4e5013c43d4601", kill_on_drop: false }`
[INFO] [stderr] error: no matching package named `linux-embedded-hal` found
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `opt4048 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] As a reminder, you're using offline mode (--frozen) which can sometimes cause surprising resolution failures, if this error is too confusing you may wish to retry without `--frozen`.
[INFO] running `Command { std: "docker" "inspect" "909689629d3f7848123c318c8c9c7dcd976a6cabf32c338e6f4e5013c43d4601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909689629d3f7848123c318c8c9c7dcd976a6cabf32c338e6f4e5013c43d4601", kill_on_drop: false }`
[INFO] [stdout] 909689629d3f7848123c318c8c9c7dcd976a6cabf32c338e6f4e5013c43d4601