[INFO] cloning repository https://github.com/jessaimaya/100_days_of_mogwai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jessaimaya/100_days_of_mogwai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessaimaya%2F100_days_of_mogwai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessaimaya%2F100_days_of_mogwai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52bbc0eba8df9323ca159abba6d8201a53a8b28d
[INFO] testing jessaimaya/100_days_of_mogwai against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessaimaya%2F100_days_of_mogwai" "/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/jessaimaya/100_days_of_mogwai on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jessaimaya/100_days_of_mogwai
[INFO] finished tweaking git repo https://github.com/jessaimaya/100_days_of_mogwai
[INFO] tweaked toml for git repo https://github.com/jessaimaya/100_days_of_mogwai written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jessaimaya/100_days_of_mogwai 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" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console_log v0.1.2
[INFO] [stderr]   Downloaded syn-rsx v0.7.3
[INFO] [stderr]   Downloaded mogwai-html-macro v0.2.2
[INFO] [stderr]   Downloaded css-colors v1.0.1
[INFO] [stderr]   Downloaded mogwai v0.3.6
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c03fab793faebcba10762d6e6e7914b1d03f589358419a570d8d5e9a5921692
[INFO] running `Command { std: "docker" "start" "-a" "1c03fab793faebcba10762d6e6e7914b1d03f589358419a570d8d5e9a5921692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c03fab793faebcba10762d6e6e7914b1d03f589358419a570d8d5e9a5921692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c03fab793faebcba10762d6e6e7914b1d03f589358419a570d8d5e9a5921692", kill_on_drop: false }`
[INFO] [stdout] 1c03fab793faebcba10762d6e6e7914b1d03f589358419a570d8d5e9a5921692
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18158acd21649fddee80cadc3c78b0613656ddee30899a9f0b735faa9c234da5
[INFO] running `Command { std: "docker" "start" "-a" "18158acd21649fddee80cadc3c78b0613656ddee30899a9f0b735faa9c234da5", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/build/proc-macro2-e91a0bc8a29b188e/out`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "18158acd21649fddee80cadc3c78b0613656ddee30899a9f0b735faa9c234da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18158acd21649fddee80cadc3c78b0613656ddee30899a9f0b735faa9c234da5", kill_on_drop: false }`
[INFO] [stdout] 18158acd21649fddee80cadc3c78b0613656ddee30899a9f0b735faa9c234da5