[INFO] cloning repository https://github.com/xmh0511/char-from-utf8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xmh0511/char-from-utf8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmh0511%2Fchar-from-utf8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmh0511%2Fchar-from-utf8'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/xmh0511/char-from-utf8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xmh0511/char-from-utf8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmh0511%2Fchar-from-utf8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmh0511%2Fchar-from-utf8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ca17b1afaf5c48595ba376868362cef5f906b7d
[INFO] checking xmh0511/char-from-utf8 against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxmh0511%2Fchar-from-utf8" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xmh0511/char-from-utf8 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/xmh0511/char-from-utf8
[INFO] finished tweaking git repo https://github.com/xmh0511/char-from-utf8
[INFO] tweaked toml for git repo https://github.com/xmh0511/char-from-utf8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xmh0511/char-from-utf8 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1c568906798714546039e52b850cf87016fb144622e6f79731cd315d7597bd32
[INFO] running `Command { std: "docker" "start" "-a" "1c568906798714546039e52b850cf87016fb144622e6f79731cd315d7597bd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c568906798714546039e52b850cf87016fb144622e6f79731cd315d7597bd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c568906798714546039e52b850cf87016fb144622e6f79731cd315d7597bd32", kill_on_drop: false }`
[INFO] [stdout] 1c568906798714546039e52b850cf87016fb144622e6f79731cd315d7597bd32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6925d36dc5a55bc74db5a373e598789933082e4f41fb4c8ffaa4f79d219f45a4
[INFO] running `Command { std: "docker" "start" "-a" "6925d36dc5a55bc74db5a373e598789933082e4f41fb4c8ffaa4f79d219f45a4", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/e99c840e9af3f34ab67a028c7564698c78533b3964cec9d97552385acc8cfb32/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "6925d36dc5a55bc74db5a373e598789933082e4f41fb4c8ffaa4f79d219f45a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6925d36dc5a55bc74db5a373e598789933082e4f41fb4c8ffaa4f79d219f45a4", kill_on_drop: false }`
[INFO] [stdout] 6925d36dc5a55bc74db5a373e598789933082e4f41fb4c8ffaa4f79d219f45a4