[INFO] cloning repository https://github.com/ianwong1999/rust-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianwong1999/rust-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwong1999%2Frust-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwong1999%2Frust-diff'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwong1999%2Frust-diff: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/ianwong1999/rust-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianwong1999/rust-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwong1999%2Frust-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwong1999%2Frust-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0118b1b08e38a78ff35985289ed2f18ece9f8106
[INFO] checking ianwong1999/rust-diff against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianwong1999%2Frust-diff" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianwong1999/rust-diff on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianwong1999/rust-diff
[INFO] finished tweaking git repo https://github.com/ianwong1999/rust-diff
[INFO] tweaked toml for git repo https://github.com/ianwong1999/rust-diff written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ianwong1999/rust-diff 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1dc82135938e4844ef96f8931870fc1715babb6cf7be109b9f831c58ef51d31
[INFO] running `Command { std: "docker" "start" "-a" "a1dc82135938e4844ef96f8931870fc1715babb6cf7be109b9f831c58ef51d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1dc82135938e4844ef96f8931870fc1715babb6cf7be109b9f831c58ef51d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1dc82135938e4844ef96f8931870fc1715babb6cf7be109b9f831c58ef51d31", kill_on_drop: false }`
[INFO] [stdout] a1dc82135938e4844ef96f8931870fc1715babb6cf7be109b9f831c58ef51d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da889c96eea51bf45c1d4b2821b451155909a2e3536c8cfa93118b42b333fdd
[INFO] running `Command { std: "docker" "start" "-a" "3da889c96eea51bf45c1d4b2821b451155909a2e3536c8cfa93118b42b333fdd", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/e621d84fa18b149e4022455d3e1f62f3193c703dcc9bd271875fce2fa10b29cb/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "3da889c96eea51bf45c1d4b2821b451155909a2e3536c8cfa93118b42b333fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da889c96eea51bf45c1d4b2821b451155909a2e3536c8cfa93118b42b333fdd", kill_on_drop: false }`
[INFO] [stdout] 3da889c96eea51bf45c1d4b2821b451155909a2e3536c8cfa93118b42b333fdd