[INFO] cloning repository https://github.com/n0rthin/bulls_n_cows
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n0rthin/bulls_n_cows" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0rthin%2Fbulls_n_cows", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0rthin%2Fbulls_n_cows'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cf0cf832b6010954fb62b1098692dab3175abfd
[INFO] checking n0rthin/bulls_n_cows against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0rthin%2Fbulls_n_cows" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n0rthin/bulls_n_cows on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n0rthin/bulls_n_cows
[INFO] finished tweaking git repo https://github.com/n0rthin/bulls_n_cows
[INFO] tweaked toml for git repo https://github.com/n0rthin/bulls_n_cows written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/n0rthin/bulls_n_cows 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0f0e1425b32e480924987935ffbdd36d9767a58abf872c29790e746204c2367
[INFO] running `Command { std: "docker" "start" "-a" "a0f0e1425b32e480924987935ffbdd36d9767a58abf872c29790e746204c2367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0f0e1425b32e480924987935ffbdd36d9767a58abf872c29790e746204c2367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f0e1425b32e480924987935ffbdd36d9767a58abf872c29790e746204c2367", kill_on_drop: false }`
[INFO] [stdout] a0f0e1425b32e480924987935ffbdd36d9767a58abf872c29790e746204c2367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e877d6b757117a3671ff6c3a9c932a7ce823633a4a0ed672c2603f54e43722
[INFO] running `Command { std: "docker" "start" "-a" "a2e877d6b757117a3671ff6c3a9c932a7ce823633a4a0ed672c2603f54e43722", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetap9Ef3F/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a2e877d6b757117a3671ff6c3a9c932a7ce823633a4a0ed672c2603f54e43722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e877d6b757117a3671ff6c3a9c932a7ce823633a4a0ed672c2603f54e43722", kill_on_drop: false }`
[INFO] [stdout] a2e877d6b757117a3671ff6c3a9c932a7ce823633a4a0ed672c2603f54e43722