[INFO] cloning repository https://github.com/jeffbrn/rust_matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffbrn/rust_matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffbrn%2Frust_matrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffbrn%2Frust_matrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6ecfec8d067bbe64efcd3cdc70cbf9e28fa146e
[INFO] checking jeffbrn/rust_matrix against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffbrn%2Frust_matrix" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeffbrn/rust_matrix
[INFO] finished tweaking git repo https://github.com/jeffbrn/rust_matrix
[INFO] tweaked toml for git repo https://github.com/jeffbrn/rust_matrix written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeffbrn/rust_matrix 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/jeffbrn/rust_matrix 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]     Blocking waiting for file lock on package cache
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4b7039a1022c2417f7af4e824002de4e41df0013e17e3bf6851b33cfcf284b5
[INFO] running `Command { std: "docker" "start" "-a" "b4b7039a1022c2417f7af4e824002de4e41df0013e17e3bf6851b33cfcf284b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4b7039a1022c2417f7af4e824002de4e41df0013e17e3bf6851b33cfcf284b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b7039a1022c2417f7af4e824002de4e41df0013e17e3bf6851b33cfcf284b5", kill_on_drop: false }`
[INFO] [stdout] b4b7039a1022c2417f7af4e824002de4e41df0013e17e3bf6851b33cfcf284b5
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c748b94f3598b0123d567c90bc7b789fa888a6722693d785d063617ba30b0f
[INFO] running `Command { std: "docker" "start" "-a" "08c748b94f3598b0123d567c90bc7b789fa888a6722693d785d063617ba30b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libautocfg-68803328649343dc.rlib`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `autocfg` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "08c748b94f3598b0123d567c90bc7b789fa888a6722693d785d063617ba30b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c748b94f3598b0123d567c90bc7b789fa888a6722693d785d063617ba30b0f", kill_on_drop: false }`
[INFO] [stdout] 08c748b94f3598b0123d567c90bc7b789fa888a6722693d785d063617ba30b0f