[INFO] cloning repository https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-learning-playground/rust-learning-structs-and-enums" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ad4525dd69f9d47595984573ab3c98371af9d5
[INFO] checking rust-learning-playground/rust-learning-structs-and-enums against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums on toolchain e23ae72ac7a393961886ea62df065ebb6def7d51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] finished tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] tweaked toml for git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums 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" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cac5b9e3199c134520831b66227fe2e479be5a1cf06943e3d586356c14939da6
[INFO] running `Command { std: "docker" "start" "-a" "cac5b9e3199c134520831b66227fe2e479be5a1cf06943e3d586356c14939da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cac5b9e3199c134520831b66227fe2e479be5a1cf06943e3d586356c14939da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac5b9e3199c134520831b66227fe2e479be5a1cf06943e3d586356c14939da6", kill_on_drop: false }`
[INFO] [stdout] cac5b9e3199c134520831b66227fe2e479be5a1cf06943e3d586356c14939da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 892224f1965d5a7f12c66315786493bdc53a4cb719084dd80365b0235fa4e7b9
[INFO] running `Command { std: "docker" "start" "-a" "892224f1965d5a7f12c66315786493bdc53a4cb719084dd80365b0235fa4e7b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/syn-a54d5cae89c4ccf8/rmetaxzTN0Y"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaeO2Kt6/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/build/proc-macro2-41be588a0e7e4ed6/rmetaEks0pP"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `strum` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta3jkRLo"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `unicode-ident` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `quote` (build script)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaXyMGzY"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode-segmentation` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "892224f1965d5a7f12c66315786493bdc53a4cb719084dd80365b0235fa4e7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892224f1965d5a7f12c66315786493bdc53a4cb719084dd80365b0235fa4e7b9", kill_on_drop: false }`
[INFO] [stdout] 892224f1965d5a7f12c66315786493bdc53a4cb719084dd80365b0235fa4e7b9
[INFO] checking rust-learning-playground/rust-learning-structs-and-enums against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] finished tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] tweaked toml for git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums 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" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da843be760fb9a2f00710f3c09a1b49193b8bb57a152f7036fa57f26ed436e9f
[INFO] running `Command { std: "docker" "start" "-a" "da843be760fb9a2f00710f3c09a1b49193b8bb57a152f7036fa57f26ed436e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da843be760fb9a2f00710f3c09a1b49193b8bb57a152f7036fa57f26ed436e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da843be760fb9a2f00710f3c09a1b49193b8bb57a152f7036fa57f26ed436e9f", kill_on_drop: false }`
[INFO] [stdout] da843be760fb9a2f00710f3c09a1b49193b8bb57a152f7036fa57f26ed436e9f
[INFO] checking rust-learning-playground/rust-learning-structs-and-enums against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] finished tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] tweaked toml for git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums 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" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/4d4a6b692ff0a5943b17fce17d40d39f5ae5679be461fa537e3e432ef9a2c82e/merged/opt/rustwide: no space left on device
[INFO] checking rust-learning-playground/rust-learning-structs-and-enums against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] finished tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] tweaked toml for git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums 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" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/ed9b086b6efe3d6dbf5d18e18de05af05b62a964336e96e9ecd12d65163599f2/merged/opt/rustwide: no space left on device
[INFO] checking rust-learning-playground/rust-learning-structs-and-enums against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] finished tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] tweaked toml for git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums 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" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: chown /var/lib/docker/overlay2/f4046a435a8fc01ac44fbe5b3f8a1693d4d75573edbb5a37e4559965b39b1eaa/work/work: no such file or directory
[INFO] checking rust-learning-playground/rust-learning-structs-and-enums against try#397f8958d101b259f6baaf92d107d770c95c3ce0 for pr-126571
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-playground%2Frust-learning-structs-and-enums" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums on toolchain 397f8958d101b259f6baaf92d107d770c95c3ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] finished tweaking git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums
[INFO] tweaked toml for git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-playground/rust-learning-structs-and-enums 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" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+397f8958d101b259f6baaf92d107d770c95c3ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/1fc89243075b0be3696c923b6653a59505fac5a835df7c5c5fcb533fe06acb9f/merged: no space left on device
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.