[INFO] fetching crate qemu-alpha 0.1.0...
[INFO] checking qemu-alpha-0.1.0 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate qemu-alpha 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate qemu-alpha 0.1.0 on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qemu-alpha 0.1.0
[INFO] finished tweaking crates.io crate qemu-alpha 0.1.0
[INFO] tweaked toml for crates.io crate qemu-alpha 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate qemu-alpha 0.1.0 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" "+af54b6062f33b99e418444700f3a823ef0214052" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memfd-exec v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bf5b5c061d4bc72c9d7887925853aa1124699556a9e2ea84969432cf86b8cf0
[INFO] running `Command { std: "docker" "start" "-a" "2bf5b5c061d4bc72c9d7887925853aa1124699556a9e2ea84969432cf86b8cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf5b5c061d4bc72c9d7887925853aa1124699556a9e2ea84969432cf86b8cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf5b5c061d4bc72c9d7887925853aa1124699556a9e2ea84969432cf86b8cf0", kill_on_drop: false }`
[INFO] [stdout] 2bf5b5c061d4bc72c9d7887925853aa1124699556a9e2ea84969432cf86b8cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5e14645261896af264422d9baf7310d6534e56e73a5a1cbc1094ea673507ca
[INFO] running `Command { std: "docker" "start" "-a" "cc5e14645261896af264422d9baf7310d6534e56e73a5a1cbc1094ea673507ca", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/0cfb8893c41119d8d1b00af4c73e9ed0b58fa0aa873ea7568bd9dcf9fd9a7658/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "cc5e14645261896af264422d9baf7310d6534e56e73a5a1cbc1094ea673507ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5e14645261896af264422d9baf7310d6534e56e73a5a1cbc1094ea673507ca", kill_on_drop: false }`
[INFO] [stdout] cc5e14645261896af264422d9baf7310d6534e56e73a5a1cbc1094ea673507ca