[INFO] fetching crate mayhem-lib 0.0.0...
[INFO] checking mayhem-lib-0.0.0 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate mayhem-lib 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mayhem-lib 0.0.0 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 mayhem-lib 0.0.0
[INFO] finished tweaking crates.io crate mayhem-lib 0.0.0
[INFO] tweaked toml for crates.io crate mayhem-lib 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mayhem-lib 0.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/4d02fd4e7d3bb01397478a24382df0e0cfa50b4a898c7e0b34a5a8360a1b94a3/work: no space left on device
[INFO] checking mayhem-lib-0.0.0 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate mayhem-lib 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mayhem-lib 0.0.0 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 mayhem-lib 0.0.0
[INFO] finished tweaking crates.io crate mayhem-lib 0.0.0
[INFO] tweaked toml for crates.io crate mayhem-lib 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mayhem-lib 0.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aba46dbe6236762f52f9b01440cc50f2fe1c0558e92e2f89368bce8c81a0a42c
[INFO] running `Command { std: "docker" "start" "-a" "aba46dbe6236762f52f9b01440cc50f2fe1c0558e92e2f89368bce8c81a0a42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba46dbe6236762f52f9b01440cc50f2fe1c0558e92e2f89368bce8c81a0a42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba46dbe6236762f52f9b01440cc50f2fe1c0558e92e2f89368bce8c81a0a42c", kill_on_drop: false }`
[INFO] [stdout] aba46dbe6236762f52f9b01440cc50f2fe1c0558e92e2f89368bce8c81a0a42c
[INFO] checking mayhem-lib-0.0.0 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] extracting crate mayhem-lib 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mayhem-lib 0.0.0 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 mayhem-lib 0.0.0
[INFO] finished tweaking crates.io crate mayhem-lib 0.0.0
[INFO] tweaked toml for crates.io crate mayhem-lib 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mayhem-lib 0.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c06ac7007dcf495a738e0baba26899d416fd12845c50b19537f09b9ac2023067
[INFO] running `Command { std: "docker" "start" "-a" "c06ac7007dcf495a738e0baba26899d416fd12845c50b19537f09b9ac2023067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c06ac7007dcf495a738e0baba26899d416fd12845c50b19537f09b9ac2023067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c06ac7007dcf495a738e0baba26899d416fd12845c50b19537f09b9ac2023067", kill_on_drop: false }`
[INFO] [stdout] c06ac7007dcf495a738e0baba26899d416fd12845c50b19537f09b9ac2023067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/e0ec5c7088ab5b8f4df1d760bf7f69c18f498317baaac5625d4305e41b5ffb88-init/merged: no space left on device