[INFO] fetching crate soma-ctf 0.1.0-alpha...
[INFO] checking soma-ctf-0.1.0-alpha against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] extracting crate soma-ctf 0.1.0-alpha into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate soma-ctf 0.1.0-alpha
[INFO] finished tweaking crates.io crate soma-ctf 0.1.0-alpha
[INFO] tweaked toml for crates.io crate soma-ctf 0.1.0-alpha written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate soma-ctf 0.1.0-alpha on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "generate-lockfile" "--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]      Locking 261 packages to latest compatible versions
[INFO] [stderr]       Adding bollard v0.2.1 (available: v0.19.1)
[INFO] [stderr]       Adding clap v2.32.0 (available: v2.34.0)
[INFO] [stderr]       Adding crossterm v0.6.0 (available: v0.29.0)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v6.0.0)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding git2 v0.8.0 (available: v0.20.2)
[INFO] [stderr]       Adding handlebars v1.1.0 (available: v6.3.2)
[INFO] [stderr]       Adding hyper v0.12.36 (available: v1.6.0)
[INFO] [stderr]       Adding path-slash v0.1.5 (available: v0.2.1)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (available: v1.0.0)
[INFO] [stderr]       Adding serde_cbor v0.9.0 (available: v0.11.2)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.46.1)
[INFO] [stderr]       Adding toml v0.4.10 (available: v0.9.2)
[INFO] [stderr]       Adding typetag v0.1.8 (available: v0.2.20)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] [stderr]       Adding whoami v0.4.1 (available: v1.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--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 serde_cbor v0.9.0
[INFO] [stderr]   Downloaded whoami v0.4.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.1.5
[INFO] [stderr]   Downloaded hyperlocal v0.6.0
[INFO] [stderr]   Downloaded bollard v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a424fb3760eddfc60937d0b0687326c0f3d51a987a288fc5fca04fac551c5c7
[INFO] running `Command { std: "docker" "start" "-a" "6a424fb3760eddfc60937d0b0687326c0f3d51a987a288fc5fca04fac551c5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a424fb3760eddfc60937d0b0687326c0f3d51a987a288fc5fca04fac551c5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a424fb3760eddfc60937d0b0687326c0f3d51a987a288fc5fca04fac551c5c7", kill_on_drop: false }`
[INFO] [stdout] 6a424fb3760eddfc60937d0b0687326c0f3d51a987a288fc5fca04fac551c5c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e5f8b049cbc87f5a29335986a25a1d6d1472964d83f98388963ec96c9d72a3
[INFO] running `Command { std: "docker" "start" "-a" "a6e5f8b049cbc87f5a29335986a25a1d6d1472964d83f98388963ec96c9d72a3", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/autocfg-22756a69648bb107`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "a6e5f8b049cbc87f5a29335986a25a1d6d1472964d83f98388963ec96c9d72a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e5f8b049cbc87f5a29335986a25a1d6d1472964d83f98388963ec96c9d72a3", kill_on_drop: false }`
[INFO] [stdout] a6e5f8b049cbc87f5a29335986a25a1d6d1472964d83f98388963ec96c9d72a3