[INFO] fetching crate formal-cli 0.1.0...
[INFO] testing formal-cli-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] extracting crate formal-cli 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate formal-cli 0.1.0
[INFO] finished tweaking crates.io crate formal-cli 0.1.0
[INFO] tweaked toml for crates.io crate formal-cli 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate formal-cli 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate formal-cli 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded formal-rt v0.1.0
[INFO] [stderr]   Downloaded formal v0.1.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b55f51d5fe731655bafedf8ca2cb7d5e5ba97780ef3398106bf2b66c677538fe
[INFO] running `Command { std: "docker" "start" "-a" "b55f51d5fe731655bafedf8ca2cb7d5e5ba97780ef3398106bf2b66c677538fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55f51d5fe731655bafedf8ca2cb7d5e5ba97780ef3398106bf2b66c677538fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55f51d5fe731655bafedf8ca2cb7d5e5ba97780ef3398106bf2b66c677538fe", kill_on_drop: false }`
[INFO] [stdout] b55f51d5fe731655bafedf8ca2cb7d5e5ba97780ef3398106bf2b66c677538fe
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5e7609bdb07df5911106262a3964839879085ce40bf778721f0df447629cd7e
[INFO] running `Command { std: "docker" "start" "-a" "e5e7609bdb07df5911106262a3964839879085ce40bf778721f0df447629cd7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling formal v0.1.0
[INFO] [stderr]    Compiling formal-rt v0.1.0
[INFO] [stderr]    Compiling formal-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e5e7609bdb07df5911106262a3964839879085ce40bf778721f0df447629cd7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e7609bdb07df5911106262a3964839879085ce40bf778721f0df447629cd7e", kill_on_drop: false }`
[INFO] [stdout] e5e7609bdb07df5911106262a3964839879085ce40bf778721f0df447629cd7e
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcbd3c5245a051a907931c1b937a3ce74e36af989bbb9e0e3c57f7bfdf6f5fa1
[INFO] running `Command { std: "docker" "start" "-a" "dcbd3c5245a051a907931c1b937a3ce74e36af989bbb9e0e3c57f7bfdf6f5fa1", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/formal-cli-d6f0ba120ab8e2e5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "dcbd3c5245a051a907931c1b937a3ce74e36af989bbb9e0e3c57f7bfdf6f5fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbd3c5245a051a907931c1b937a3ce74e36af989bbb9e0e3c57f7bfdf6f5fa1", kill_on_drop: false }`
[INFO] [stdout] dcbd3c5245a051a907931c1b937a3ce74e36af989bbb9e0e3c57f7bfdf6f5fa1