[INFO] cloning repository https://github.com/vladkens/bcloop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vladkens/bcloop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladkens%2Fbcloop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladkens%2Fbcloop'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladkens%2Fbcloop/refs/tags: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/vladkens/bcloop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vladkens/bcloop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladkens%2Fbcloop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladkens%2Fbcloop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a7449bbff183933241f609837a47be7f0388751
[INFO] checking vladkens/bcloop against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvladkens%2Fbcloop" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vladkens/bcloop
[INFO] finished tweaking git repo https://github.com/vladkens/bcloop
[INFO] tweaked toml for git repo https://github.com/vladkens/bcloop written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vladkens/bcloop on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vladkens/bcloop 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded size-of-derive v0.1.2
[INFO] [stderr]   Downloaded size-of v0.1.5
[INFO] [stderr]   Downloaded sha2-asm v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead700e2c8583f03d84259b7b7f09189a1f9451875dc6cd821b967621eb7fc66
[INFO] running `Command { std: "docker" "start" "-a" "ead700e2c8583f03d84259b7b7f09189a1f9451875dc6cd821b967621eb7fc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead700e2c8583f03d84259b7b7f09189a1f9451875dc6cd821b967621eb7fc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead700e2c8583f03d84259b7b7f09189a1f9451875dc6cd821b967621eb7fc66", kill_on_drop: false }`
[INFO] [stdout] ead700e2c8583f03d84259b7b7f09189a1f9451875dc6cd821b967621eb7fc66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a951cd01b6e201dcb956c7be6f137e73ef16791a6cd54acada74e96c1eb6fe3a
[INFO] running `Command { std: "docker" "start" "-a" "a951cd01b6e201dcb956c7be6f137e73ef16791a6cd54acada74e96c1eb6fe3a", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/e2850f0a2ccda3f797bdb9270caff5622b43408a7c1fb3a71e7d65a7f852f7fc/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "a951cd01b6e201dcb956c7be6f137e73ef16791a6cd54acada74e96c1eb6fe3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a951cd01b6e201dcb956c7be6f137e73ef16791a6cd54acada74e96c1eb6fe3a", kill_on_drop: false }`
[INFO] [stdout] a951cd01b6e201dcb956c7be6f137e73ef16791a6cd54acada74e96c1eb6fe3a